R. Ball

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The influence of breed, gender, and PSS (Halothane) genotype on meat quality, cooking loss, and palatability of pork

L. E. Jeremiah, Ronald O. Ball, J. Gibson, 1999 .

Lysine α-ketoglutarate reductase, but not saccharopine dehydrogenase, is subject to substrate inhibition in pig liver.

S. Gatrell, R. Ball, R. Elango, 2011, Nutrition research.

Prediction of skeletal muscle and fat mass in patients with advanced cancer using a metabolomic approach.

Sambasivarao Damaraju, Russell Greiner, Roman Eisner, 2012, The Journal of nutrition.

Nutrient Requirements of Prolific Sows

R. Ball, R. Samuel, S. Moehn, 2008 .

Time course of the total and radioactive carbon dioxide production by piglets receiving dietary [14C]phenylalanine.

R. Ball, H. Bayley, 1985, Canadian journal of physiology and pharmacology.

Threonine dehydrogenase is a minor degradative pathway of threonine catabolism in adult humans.

R. Ball, P. Pencharz, P. Darling, 2000, American journal of physiology. Endocrinology and metabolism.

Coadministration of ornithine and alpha-ketoglutarate is no more effective than ornithine alone as an arginine precursor in piglets enterally fed an arginine-deficient diet.

K. Urschel, R. Ball, P. Pencharz, 2007, The Journal of nutrition.

Ornithine metabolism, but not arginine synthesis, is affected by the addition of ornithine to an arginine-deficient diet in enterally-fed piglets

K. Urschel, R. Ball, P. Pencharz, 2007 .

Protein Requirements during Aging

R. Ball, P. Pencharz, R. Elango, 2016, Nutrients.

Effect of dietary particle size on gastric ulcers, assessed by endoscopic examination, and relationship between ulcer severity and growth performance of individually fed pigs

R. Ball, R. Friendship, H. Ayles, 1996 .

Chapter 7: Simultaneous measurement of energy expenditure and protein turnover in pigs

R. Ball, S. Moehn, 2015 .

Barley does not change threonine requirement in growing pigs fed a barley–casein-based diet compared to a casein-based diet, as determined by the indicator amino acid oxidation method

R. Ball, S. Myrie, S. Moehn, 2014 .

Effect of common antinutritive factors and fibrous feedstuffs in pig diets on amino acid digestibilities with special emphasis on threonine.

R. Ball, W. Sauer, S. Myrie, 2008, Journal of animal science.

Effect of tyrosine intake on the rate of phenylalanine hydroxylation in adult males.

R. Ball, P. Pencharz, S. Roberts, 2000, Metabolism: clinical and experimental.

Methodology and development of prediction equations for the determination of pork substitution in veal

R. Ball, S. Murch, R. Toorop, 1997 .

Dispensable Amino Acids, except Glutamine and Proline, Are Ideal Nitrogen Sources for Protein Synthesis in the Presence of Adequate Indispensable Amino Acids in Adult Men.

R. Ball, P. Pencharz, R. Elango, 2020, The Journal of nutrition.

Dietary leucine requirement of older men and women is higher than current recommendations.

R. Ball, P. Pencharz, R. Elango, 2020, The American journal of clinical nutrition.

Nutrient Requirements The Branched-Chain Amino Acid Requirement of Parenterally Fed Neonatal Piglets Is Less than the Enteral Requirement 1 , 2

R. Ball, P. Pencharz, R. Elango, 2002 .

The branched-chain amino acid requirement of parenterally fed neonatal piglets is less than the enteral requirement.

R. Ball, P. Pencharz, R. Elango, 2002, The Journal of nutrition.

Intestinal resection affects whole-body arginine synthesis in neonatal piglets

R. Ball, P. Pencharz, P. Wales, 2020, Pediatric Research.

Evidence That Phenylalanine May Not Provide the Full Needs for Aromatic Amino Acids in Children

R. Ball, P. Pencharz, Jean W Hsu, 2007, Pediatric Research.

Lysine requirement of neonatal piglets receiving total parenteral nutrition as determined by oxidation of the indicator amino acid L-[1-14C]phenylalanine.

R. Ball, P. Pencharz, J. House, 1998, American Journal of Clinical Nutrition.

Development and evaluation of an endoscopic technique permitting rapid visualization of the cardiac region of the porcine stomach.

R. Ball, R. Friendship, H. Ayles, 1997, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

Hepatic ultrastructure in a neonatal piglet model of intestinal failure-associated liver disease (IFALD).

C. Sergi, R. Ball, P. Pencharz, 2012, Journal of electron microscopy.

Protein and Amino Acid Requirements during Pregnancy.

R. Ball, R. Elango, 2016, Advances in nutrition.

Protein requirements of healthy pregnant women during early and late gestation are higher than current recommendations.

R. Ball, P. Pencharz, R. Elango, 2015, The Journal of nutrition.

Chapter 6 Role of intestinal first-pass metabolism on whole-body amino acid requirements

R. Ball, P. Pencharz, R. Bertolo, 2005 .

INFLUENCE OF DIETARY NUTRIENT DENSITY, LEVEL OF FEED INTAKE AND WEANING AGE ON YOUNG PIGS. I. PERFORMANCE AND BODY COMPOSITION

R. Ball, F. Aherne, 1987 .

BIOLOGICAL CONSTRAINTS AFFECTING NONRUMINANT PRODUCTIVITY

W. Morrison, R. Ball, R. Hacker, 1986 .

PLASMA AMINO ACID CONCENTRATIONS AS AN INDICATOR OF PROTEIN AVAILABILITY TO BREEDING HERRING GULLS (LARUS ARGENTATUS)

R. Ball, C. Hebert, J. L. Shutt, 2002 .

Proline ameliorates arginine deficiency during enteral but not parenteral feeding in neonatal piglets.

R. Ball, P. Pencharz, J. Brunton, 1999, American journal of physiology. Endocrinology and metabolism.

Total Sulfur Amino Acid Requirements Are Not Altered in Children with Chronic Renal Insufficiency, but Minimum Methionine Needs Are Increased.

R. Ball, P. Pencharz, R. Elango, 2017, The Journal of nutrition.

The Phenylalanine Requirement of Elderly Men and Women Measured by Direct 13C Carbon Oxidation Method Is Similar to That of Young Adults.

R. Ball, P. Pencharz, R. Elango, 2019, The Journal of nutrition.

Lysine requirement of healthy, school-aged Indian children determined by the indicator amino acid oxidation technique.

R. Ball, P. Pencharz, R. Elango, 2010, The Journal of nutrition.

Assessment of protein requirement in octogenarian women with use of the indicator amino acid oxidation technique.

G. McCabe, W. Campbell, R. Ball, 2014, The American journal of clinical nutrition.

What are the essential amino acids for the preterm and term infant

R. Ball, P. Pencharz, J. House, 1996 .

Quantification of 14 C-Labeled Amino Acids by Reverse-Phase High Performance Liquid Chromatography

R. Ball, B. Shelp, B. J. Micallef, 1989 .

Indicator amino acid oxidation: concept and application.

R. Ball, P. Pencharz, R. Elango, 2008, The Journal of nutrition.

Nutrient Requirements Valine May Be the First Limiting Branched-Chain Amino Acid in Egg Protein in Men 1 , 2

R. Ball, P. Pencharz, L. Wykes, 2003 .

Valine may be the first limiting branched-chain amino acid in egg protein in men.

R. Ball, P. Pencharz, L. Wykes, 2003, The Journal of nutrition.

Development of the indicator amino acid oxidation technique in chickens: L-[1-(14)C]phenylalanine infusion dose and phenylalanine oxidation.

R. Ball, D. Korver, R. Bertolo, 2002, Poultry science.

Tyrosine requirement of healthy men receiving a fixed phenylalanine intake determined by using indicator amino acid oxidation.

R. Ball, P. Pencharz, S. Roberts, 2001, The American journal of clinical nutrition.

Steady State Is Not Achieved for Most Plasma Amino Acids during 12 Hours of Fasting in the Neonatal Piglet

R. Ball, P. Pencharz, J. Brunton, 2000, Pediatric Research.

Changes in protein turnover during pregnancy in pigs when feeding limiting amounts of amino acids.

R. Ball, P. Pencharz, S. Moehn, 2013 .

Minimum Protein Intake for the Preterm Neonate Determined by Protein and Amino Acid Kinetics

R. Ball, P. Pencharz, G. Zello, 2003, Pediatric Research.

Total sulfur amino acid requirement of healthy school-age children as determined by indicator amino acid oxidation technique.

R. Ball, P. Pencharz, R. Elango, 2006, American Journal of Clinical Nutrition.

Total sulfur amino acid requirement in young men as determined by indicator amino acid oxidation with L-[1-13C]phenylalanine.

R. Ball, P. Pencharz, L. Wykes, 2001, The American journal of clinical nutrition.

Role of glucagon-like peptide–2 deficiency in neonatal short-bowel syndrome using neonatal piglets

R. Ball, P. Pencharz, P. Wales, 2013, Pediatric Research.

Dietary protein requirement of female adults >65 years determined by the indicator amino acid oxidation technique is higher than current recommendations.

W. Campbell, R. Ball, P. Pencharz, 2015, The Journal of nutrition.

Dietary Protein Requirement of Men >65 Years Old Determined by the Indicator Amino Acid Oxidation Technique Is Higher than the Current Estimated Average Requirement.

W. Campbell, R. Ball, P. Pencharz, 2015, The Journal of nutrition.

Development of a Heating Device for Sampling Arterialized Venous Blood from a Hand Vein

John M Smith, R. Ball, P. Pencharz, 1990, Annals of clinical biochemistry.

INFLUENCE OF DIETARY NUTRIENT DENSITY, LEVEL OF FEED INTAKE AND WEANING AGE ON YOUNG PIGS. II. APPARENT NUTRIENT DIGESTIBILITY AND INCIDENCE AND SEVERITY OF DIARRHEA

R. Ball, F. Aherne, 1987 .

Threonine requirement of parenterally fed postsurgical human neonates.

R. Ball, P. Pencharz, A. Moore, 2009, The American journal of clinical nutrition.

Lysine requirement of healthy school-age children determined by the indicator amino acid oxidation method.

R. Ball, P. Pencharz, R. Elango, 2007, The American journal of clinical nutrition.

Nutrient Requirements and Optimal Nutrition Branched-Chain Amino Acid Needs in Children with Mild-to-Moderate Chronic Cholestatic Liver Disease 1 , 2

R. Ball, P. Pencharz, E. Roberts, 2005 .

Dietary cysteine reduces the methionine requirement by an equal proportion in both parenterally and enterally fed piglets.

R. Ball, A. Shoveller, P. Pencharz, 2003, The Journal of nutrition.

The total branched-chain amino acid requirement in young healthy adult men determined by indicator amino acid oxidation by use of L-[1-13C]phenylalanine.

R. Ball, P. Pencharz, L. Wykes, 2003, The Journal of nutrition.

Bioavailable Methionine Assessed Using the Indicator Amino Acid Oxidation Method Is Greater When Cooked Chickpeas and Steamed Rice Are Combined in Healthy Young Men.

R. Ball, P. Pencharz, R. Elango, 2020, The Journal of nutrition.

Dietary Aromatic Amino Acid Requirements During Early and Late Gestation in Healthy Pregnant Women.

R. Ball, P. Pencharz, R. Elango, 2020, The Journal of nutrition.

Dietary phenylalanine requirements during early and late gestation in healthy pregnant women.

R. Ball, P. Pencharz, R. Elango, 2019, The American journal of clinical nutrition.

Lysine Requirements of Healthy Pregnant Women are Higher During Late Stages of Gestation Compared to Early Gestation.

R. Ball, P. Pencharz, R. Elango, 2018, The Journal of nutrition.

Oral and intravenous tracer protocols of the indicator amino acid oxidation method provide the same estimate of the lysine requirement in healthy men.

R. Ball, P. Pencharz, L. Wykes, 2002, The Journal of nutrition.

Lysine requirement of adult males is not affected by decreasing dietary protein.

A. Duncan, R. Ball, P. Pencharz, 1996, The American journal of clinical nutrition.

Parenterally fed neonatal piglets have a low rate of endogenous arginine synthesis from circulating proline.

K. Urschel, R. Ball, P. Pencharz, 2007, The Journal of nutrition.

Total sulfur amino acid requirement and metabolism in parenterally fed postsurgical human neonates.

R. Ball, P. Pencharz, A. Moore, 2008, The American journal of clinical nutrition.

of threonine catabolism in adult humans Threonine dehydrogenase is a minor degradative pathway

R. Ball, P. Pencharz, P. Darling, 2016 .

Isotopic enrichment of amino acids in urine following oral infusions of L-[1-(13)C]phenylalanine and L-[1-(13)C]lysine in humans: confounding effect of D-[13C]amino acids.

R. Ball, P. Pencharz, P. Darling, 1999, Metabolism: clinical and experimental.

Liver Disease, Systemic Inflammation, and Growth Using a Mixed Parenteral Lipid Emulsion, Containing Soybean Oil, Fish Oil, and Medium Chain Triglycerides, Compared With Soybean Oil in Parenteral Nutrition-Fed Neonatal Piglets.

R. Ball, P. Pencharz, P. Wales, 2016, JPEN. Journal of parenteral and enteral nutrition.

Determination of the tolerable upper intake level of leucine in adult men.

R. Ball, P. Pencharz, R. Elango, 2012, The Journal of nutrition.

Lessons learned regarding symptoms of tryptophan deficiency and excess from animal requirement studies.

R. Ball, P. Pencharz, S. Moehn, 2012, The Journal of nutrition.

An approach to defining the upper safe limits of amino acid intake.

R. Ball, P. Pencharz, R. Elango, 2008, The Journal of nutrition.

The in vivo sparing of methionine by cysteine in sulfur amino acid requirements in animal models and adult humans.

R. Ball, P. Pencharz, G. Courtney-Martin, 2006, The Journal of nutrition.

Amino acid needs for early growth and development.

R. Ball, P. Pencharz, 2004, The Journal of nutrition.

Phenylalanine requirements determined by using L-[1-14C]phenylalanine in neonatal piglets receiving total parenteral nutrition supplemented with tyrosine.

R. Ball, P. Pencharz, J. House, 1997, The American journal of clinical nutrition.

Effect of clomipramine on monoamine metabolites in the cerebrospinal fluid of behaviorally normal dogs.

J. Parent, R. Ball, C. Hewson, 2000, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

The pharmacokinetics of clomipramine and desmethylclomipramine in dogs: parameter estimates following a single oral dose and 28 consecutive daily oral doses of clomipramine.

R. Ball, C. Hewson, P. Conlon, 1998, Journal of veterinary pharmacology and therapeutics.

Parenteral Soy Oil and Fish Oil Emulsions: Impact of Dose Restriction on Bile Flow and Brain Size of Parenteral Nutrition-Fed Neonatal Piglets.

C. Sergi, R. Ball, P. Pencharz, 2015, JPEN. Journal of parenteral and enteral nutrition.

Tryptophan Requirement in School-Age Children Determined by the Indicator Amino Acid Oxidation Method is Similar to Current Recommendations.

R. Ball, P. Pencharz, R. Elango, 2019, The Journal of nutrition.

Individual amino acid requirements in humans: an update

R. Ball, P. Pencharz, R. Elango, 2008, Current opinion in clinical nutrition and metabolic care.

Amino acid requirements of infants and children.

R. Ball, P. Pencharz, 2006, Nestle Nutrition workshop series. Paediatric programme.

Plasma citrulline is not a biomarker for intestinal adaptation in short bowel syndrome, studied in piglets: a model for human neonates

R. Ball, P. Pencharz, P. Wales, 2019, Pediatric Surgery International.

Barley-derived β-glucans increases gut permeability, ex vivo epithelial cell binding to E. coli, and naive T-cell proportions in weanling pigs.

R. Ball, K. Madsen, T. Vasanthan, 2012, Journal of animal science.

Lysine requirement in parenterally fed postsurgical human neonates.

R. Ball, P. Pencharz, J. Langer, 2010, The American journal of clinical nutrition.

The Effect of Graded Intake of Glycyl-l-Tyrosine on Phenylalanine and Tyrosine Metabolism in Parenterally Fed Neonates with an Estimation of Tyrosine Requirement

R. Ball, P. Pencharz, A. Moore, 2001, Pediatric Research.

Prior protein intake may affect phenylalanine kinetics measured in healthy adult volunteers consuming 1 g protein. kg-1. d-1.

R. Ball, P. Pencharz, S. Roberts, 1999, The Journal of nutrition.

Phenylalanine and Tyrosine Metabolism in Neonates Receiving Parenteral Nutrition Differing in Pattern of Amino Acids

R. Ball, P. Pencharz, A. Moore, 1998, Pediatric Research.

Development of a minimally invasive protocol for the determination of phenylalanine and lysine kinetics in humans during the fed state.

R. Ball, P. Pencharz, R. Bross, 1998, The Journal of nutrition.

Plasma and urine enrichments following infusion of L-[1-13C]phenylalanine and L-[ring-2H5]phenylalanine in humans: evidence for an isotope effect in renal tubular reabsorption.

R. Ball, P. Pencharz, G. Zello, 1994, Metabolism: clinical and experimental.

A multitracer stable isotope quantification of the effects of arginine intake on whole body arginine metabolism in neonatal piglets.

K. Urschel, R. Ball, P. Pencharz, 2007, American journal of physiology. Endocrinology and metabolism.

Nutritional consequences of interspecies differences in arginine and lysine metabolism.

K. Urschel, R. Ball, P. Pencharz, 2007, The Journal of nutrition.

Total branched-chain amino acids requirement in patients with maple syrup urine disease by use of indicator amino acid oxidation with L-[1-13C]phenylalanine.

R. Ball, P. Pencharz, J. Clarke, 2004, American journal of physiology. Endocrinology and metabolism.

Phenylalanine requirement in children with classical PKU determined by indicator amino acid oxidation.

R. Ball, P. Pencharz, J. Clarke, 2002, American journal of physiology. Endocrinology and metabolism.

Relationship between melatonin levels in plasma and gastrointestinal tissues and the incidence and severity of gastric ulcers in pigs

G. Brown, R. Ball, R. Friendship, 1998, Journal of pineal research.

Aromatic amino acid requirements in healthy human subjects.

R. Ball, P. Pencharz, Jean W Hsu, 2007, The Journal of nutrition.

Different approaches to define individual amino acid requirements.

R. Ball, P. Pencharz, 2003, Annual review of nutrition.

Arginine Is Synthesized From Proline, Not Glutamate, in Enterally Fed Human Preterm Neonates

R. Ball, P. Pencharz, M. Sgro, 2011, Pediatric Research.

Citrulline is an effective arginine precursor in enterally fed neonatal piglets.

K. Urschel, R. Ball, A. Shoveller, 2006, The Journal of nutrition.

Nutrient Physiology , Metabolism , and Nutrient-Nutrient Interactions Citrulline Is an Effective Arginine Precursor in Enterally Fed Neonatal Piglets 1 , 2

K. Urschel, R. Ball, A. Shoveller, 2006 .

Current total parenteral nutrition solutions for the neonate are inadequate.

R. Ball, P. Pencharz, J. Brunton, 2000, Current opinion in clinical nutrition and metabolic care.

Proline ameliorates arginine deficiency during enteral but not parenteral feeding in neonatal piglets

R. Ball, P. Pencharz, J. Brunton, 1999 .

Lysine Bioavailability in School-Age Children Consuming Rice Is Reduced by Starch Retrogradation.

R. Ball, P. Pencharz, D. Kitts, 2020, The Journal of nutrition.

Branched-chain amino acid needs in children with mild-to-moderate chronic cholestatic liver disease.

R. Ball, P. Pencharz, E. Roberts, 2006, The Journal of nutrition.

Bioavailable Lysine, Assessed in Healthy Young Men Using Indicator Amino Acid Oxidation, is Greater when Cooked Millet and Stewed Canadian Lentils are Combined.

R. Ball, P. Pencharz, R. Elango, 2020, The Journal of nutrition.

Protein and Amino Acid Requirements during Pregnancy 1 – 3

R. Ball, R. Elango, 2016 .

Research approaches and methods for evaluating the protein quality of human foods - Report of a FAO Expert Working Group

R. Uauy, P. Moughan, D. Tomé, 2015 .

Methionine-adequate cysteine-free diet does not limit erythrocyte glutathione synthesis in young healthy adult men.

R. Ball, P. Pencharz, L. Wykes, 2008, The Journal of nutrition.

5 th Amino Acid Assessment Workshop The In Vivo Sparing of Methionine by Cysteine in Sulfur Amino Acid Requirements in Animal Models and Adult Humans 1 , 2

R. Ball, P. Pencharz, G. Courtney-Martin, 2006 .

Branched-chain amino acid requirements in school-aged children determined by indicator amino acid oxidation (IAAO).

R. Ball, P. Pencharz, L. Wykes, 2003, The Journal of nutrition.

Dietary cysteine reduces the methionine requirement in men.

R. Ball, P. Pencharz, L. Wykes, 2001, The American journal of clinical nutrition.

A Piglet Model for Neonatal Amino Acid Metabolism During Total Parenteral Nutrition

R. Ball, P. Pencharz, J. House, 1996 .

Arginine can be synthesized from enteral proline in healthy adult humans.

R. Ball, P. Pencharz, M. Rafii, 2011, The Journal of nutrition.

Evidence that protein requirements have been significantly underestimated

R. Ball, P. Pencharz, R. Elango, 2010, Current opinion in clinical nutrition and metabolic care.

Reevaluation of the protein requirement in young men with the indicator amino acid oxidation technique 1 3

R. Ball, P. Pencharz, R. Elango, 2007 .

Effect of Orthotopic Liver Transplantation (OLT) on Branched-Chain Amino Acid Requirement

R. Ball, P. Pencharz, E. Roberts, 2006, Pediatric Research.

Phase of menstrual cycle affects lysine requirement in healthy women.

R. Ball, P. Pencharz, L. Goonewardene, 2004, American journal of physiology. Endocrinology and metabolism.

METABOLISM IN ADIPOSE TISSUE AND MUSCLE OF THE YOUNG PIG

R. Ball, B. McBride, L. Young, 1990 .

The effect of diarrhea on the oxidation of 14C-phenylalanine in piglets receiving diets varying in protein and proline concentration.

R. Ball, H. Bayley, 1986, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

How to Assess Amino Acid Requirements (With Particular Reference to Inborn Errors of Amino Acid Metabolism)

R. Ball, P. Pencharz, 2006 .

Methionine and cysteine oxidation are regulated in a dose dependent manner by dietary Cys intake in neonatal piglets receiving enteral nutrition

R. Ball, A. Shoveller, P. Pencharz, 2022, PloS one.

Proline is synthesized from glutamate during intragastric infusion but not during intravenous infusion in neonatal piglets.

R. Ball, S. Murch, J. Murphy, 1996, The Journal of nutrition.

production and gut function in neonatal piglets Adequate oral threonine is critical for mucin

R. Ball, P. Pencharz, G. Law, 2007 .

The effect of food deprivation on brain and gastrointestinal tissue levels of tryptophan, serotonin, 5‐hydroxyindoleacetic acid, and melatonin

S. Pang, R. Ball, S. Pang, 1992, Journal of pineal research.

Regulation of sulfur amino acid metabolism in men in response to changes in sulfur amino acid intakes.

D. Cole, R. Ball, P. Pencharz, 2003, The Journal of nutrition.

The use of chance-corrected agreement to diagnose canine compulsive disorder: an approach to behavioral diagnosis in the absence of a 'gold standard'.

R. Ball, C. Hewson, U. Luescher, 1999, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

Growth potential, but not body weight or moderate limitation of lysine intake, affects inevitable lysine catabolism in growing pigs.

R. Ball, C. D. de Lange, M. Fuller, 2004, The Journal of nutrition.

Amino acid requirements in humans: with a special emphasis on the metabolic availability of amino acids

R. Ball, P. Pencharz, R. Elango, 2009, Amino Acids.

Metabolic Availability of the Limiting Amino Acids Lysine and Tryptophan in Cooked White African Cornmeal Assessed in Healthy Young Men Using the Indicator Amino Acid Oxidation Technique.

R. Ball, P. Pencharz, R. Elango, 2018, The Journal of nutrition.

Lysine from cooked white rice consumed by healthy young men is highly metabolically available when assessed using the indicator amino acid oxidation technique.

R. Ball, P. Pencharz, R. Elango, 2013, The Journal of nutrition.

Available versus digestible amino acids – new stable isotope methods

R. Ball, P. Pencharz, R. Elango, 2012, British Journal of Nutrition.

Indicator amino acid oxidation is not affected by period of adaptation to a wide range of lysine intake in healthy young men.

R. Ball, P. Pencharz, R. Elango, 2009, The Journal of nutrition.

Application of the indicator amino acid oxidation technique for the determination of metabolic availability of sulfur amino acids from casein versus soy protein isolate in adult men.

R. Ball, P. Pencharz, R. Elango, 2007, The Journal of nutrition.

Development of the indicator amino acid oxidation technique to determine the availability of amino acids from dietary protein in pigs.

R. Ball, P. Pencharz, S. Moehn, 2005, The Journal of nutrition.

Lysine requirements of moderately undernourished school-aged Indian children are reduced by treatment for intestinal parasites as measured by the indicator amino acid oxidation technique.

R. Ball, P. Pencharz, R. Elango, 2015, The Journal of nutrition.

Amino acid digestibility of a yeast-derived protein source and gut endogenous losses in newly weaned pigs

R. Ball, S. Moehn, P. Groenewegen, 2010 .

Sulfur amino acid metabolism and requirements.

R. Ball, P. Pencharz, G. Courtney-Martin, 2012, Nutrition reviews.

The Addition of Cysteine to the Total Sulphur Amino Acid Requirement as Methionine Does Not Increase Erythrocytes Glutathione Synthesis in the Parenterally Fed Human Neonate

R. Ball, P. Pencharz, A. Moore, 2010, Pediatric Research.

The methionine requirement is lower in neonatal piglets fed parenterally than in those fed enterally.

R. Ball, A. Shoveller, P. Pencharz, 2003, The Journal of nutrition.

Determination of amino acid requirements by indicator amino acid oxidation: applications in health and disease.

R. Ball, P. Pencharz, J. Brunton, 1998, Current opinion in clinical nutrition and metabolic care.

Tryptophan requirement of the 2.5-kg piglet determined by the oxidation of an indicator amino acid.

H. S. Bayley, R. Ball, H. Bayley, 1984, The Journal of nutrition.

LEVELS OF GENETIC VARIATION FOR GROWTH, CARCASS AND MEAT QUALITY TRAITS OF PUREBRED PIGS

J. Gibson, R. Ball, C. Aker, 1999 .

Novel Neonatal Piglet Models of Surgical Short Bowel Syndrome With Intestinal Failure

C. Sergi, R. Ball, P. Pencharz, 2011, Journal of pediatric gastroenterology and nutrition.

Tryptophan requirement of pregnant sows.

R. Ball, P. Pencharz, S. Moehn, 2014, Journal of animal science.

Isoleucine requirement of pregnant sows.

R. Ball, P. Pencharz, S. Moehn, 2013, Journal of animal science.

Isoleucine requirement of pregnant sows 1

R. Ball, P. Pencharz, S. Moehn, 2013 .

Dietary lysine requirement of sows increases in late gestation.

R. Ball, P. Pencharz, R. Samuel, 2012, Journal of animal science.

The threonine requirement of sows increases in late gestation.

R. Ball, P. Pencharz, S. Moehn, 2011, Journal of animal science.

The effect of lean growth rate on puberty attainment in gilts.

R. Ball, G. Foxcroft, F. Aherne, 2002, Journal of animal science.

Review of advances in metabolic bioavailability of amino acids

R. Ball, P. Pencharz, S. Moehn, 2010 .

Long-term effects of histidine depletion on whole-body protein metabolism in healthy adults.

R. Ball, P. Pencharz, L. Wykes, 2002, The Journal of nutrition.

Effect of ractopamine and sex on growth, carcass characteristics, processing yield, and meat quality characteristics of crossbred swine.

L. E. Jeremiah, R. Ball, G. Vessie, 1993, Journal of animal science.

INFLUENCE OF PORCINE IMMUNOGLOBULIN ADMINISTRATION ON SURVIVAL AND GROWTH OF PIGS WEANED AT TWO AND THREE WEEKS OF AGE

R. Ball, J. J. Kennelly, F. Aherne, 1979 .

Growth and metabolism in somatotropin-treated steers: II. Carcass and noncarcass tissue components and chemical composition.

R. Ball, B. McBride, R. Early, 1990, Journal of animal science.

Growth and metabolism in somatotropin-treated steers: III. Protein synthesis and tissue energy expenditures.

R. Ball, B. McBride, R. Early, 1990, Journal of animal science.

Growth and metabolism in somatotropin-treated steers: I. Growth, serum chemistry and carcass weights.

R. Ball, B. McBride, R. Early, 1990, Journal of animal science.

Using Net Energy for Diet Formulation: Potential for the Canadian Pig Industry

Ronald O. Ball, Soenke Moehn, Jacob K. A. Atakora, 2005 .

Effects of feed treatment and gender on the flavour and texture profiles of cured and uncured pork cuts. I. Ractopamine treatment and dietary protein level.

L. E. Jeremiah, L. L. Gibson, R. Ball, 1994, Meat science.

The influence of narasin level, type of feed, and gender on the palatability attributes and cooking properties of pork

L. E. Jeremiah, L. L. Gibson, R. Ball, 2001 .

The effects of feed treatment and gender on the flavour and texture profiles of cured and uncured pork cuts. III. Effects of gender.

L. E. Jeremiah, L. L. Gibson, R. Ball, 1994, Meat science.

Determination of the tolerable upper intake level of leucine in acute dietary studies in young men.

R. Ball, P. Pencharz, R. Elango, 2012, The American journal of clinical nutrition.

Glutamine supplementation influences immune development in the newly weaned piglet.

V. Baracos, R. Ball, C. Field, 2006, Developmental and comparative immunology.

The effects of feeding a chocolate product on growth performance and meat quality of finishing swine

R. Ball, R. Friendship, E. McNaughton, 1997 .

Comparison of oral milk feeding and total parenteral nutrition in neonatal pigs1,2

R. Ball, P. Pencharz, L. Wykes, 1995 .

EFFECT OF DIET COMPLEXITY AND FEED RESTRICTION ON THE INCIDENCE AND SEVERITY OF DIARRHEA IN EARLY-WEANED PIGS

R. Ball, F. Aherne, 1982 .

Supplemental Parenteral Vitamin E Into Conventional Soybean Lipid Emulsion Does Not Prevent Parenteral Nutrition–Associated Liver Disease in Full-Term Neonatal Piglets

R. Ball, P. Pencharz, P. Wales, 2017, JPEN. Journal of parenteral and enteral nutrition.

N-acetylcysteine is a highly available precursor for cysteine in the neonatal piglet receiving parenteral nutrition.

R. Ball, A. Shoveller, P. Pencharz, 2006, JPEN. Journal of parenteral and enteral nutrition.

The effect of graded levels of melatonin on performance and gastric ulcers in pigs

R. Ball, R. Friendship, G. Bubenik, 1996 .

Effects of polymeric formula vs elemental formula in neonatal piglets with short bowel syndrome.

R. Ball, P. Pencharz, P. Wales, 2014, JPEN. Journal of parenteral and enteral nutrition.

Tolerability of Leucine in Humans

R. Ball, P. Pencharz, R. Elango, 2015 .

Leucine is not a good choice as an indicator amino acid for determining amino acid requirements in men.

R. Ball, P. Pencharz, L. Goonewardene, 2006, The Journal of nutrition.

Human Nutrition and Metabolism Long-Term Effects of Histidine Depletion on Whole-Body Protein Metabolism in Healthy Adults 1 , 2

R. Ball, P. Pencharz, W. Kriengsinyos, 2002 .

Development of a rapid and accurate method for separation and quantification of myofibrillar proteins in meat

R. Ball, S. Murch, R. Toorop, 1997 .

Postmortem interactions of muscle temperature, pH and extension on beef quality.

R. Ball, H. Bruce, 1990, Journal of animal science.

Nutritional and functional importance of intestinal sulfur amino acid metabolism.

B. Stoll, D. Burrin, R. Ball, 2005, The Journal of nutrition.

Porcine skeletal muscle myofibrillar protein synthesis is stimulated by ractopamine.

R. Ball, O. Adeola, L. Young, 1992, The Journal of nutrition.

EFFECTS OF POSTMORTEM GLYCOLYSIS ON THE QUALITY OF HOT-DEBONED BOVINE MUSCLE

R. Ball, H. Bruce, 1990 .

Threonine requirement of neonatal piglets receiving total parenteral nutrition is considerably lower than that of piglets receiving an identical diet intragastrically.

R. Ball, P. Pencharz, G. Law, 1998, The Journal of nutrition.

The design and validation of a diet for studies of amino acid metabolism in adult Humans.

R. Ball, P. Pencharz, G. Zello, 1990 .

The relationship of chemical components to flavor attributes of bacon and ham

L. E. Jeremiah, L. L. Gibson, R. Ball, 1996 .

Rapid separation and quantification of myofibrillar proteins by high performance gel permeation chromatography

R. Ball, H. Bruce, S. Murch, 1992 .

Recent Advances in Nutritional Sciences Nutritional and Functional Importance of Intestinal Sulfur Amino Acid Metabolism

B. Stoll, D. Burrin, R. Ball, 2005 .

Development and validation of a total parenteral nutrition model in the neonatal piglet.

R. Ball, P. Pencharz, L. Wykes, 1993, The Journal of nutrition.

Mild-to-moderate chronic cholestatic liver disease increases leucine oxidation in children.

Ronald O Ball, R. Ball, P. Pencharz, 2006, The Journal of nutrition.

A comparison of parenteral and enteral feeding in neonatal piglets, including an assessment of the utilization of a glutamine-rich, pediatric elemental diet.

R. Ball, P. Pencharz, R. Bertolo, 1999, JPEN. Journal of parenteral and enteral nutrition.

Phenylalanine kinetics differ between formula-fed and human milk-fed preterm infants.

R. Ball, P. Pencharz, G. Gilani, 2004, The Journal of nutrition.

Threonine kinetics in preterm infants fed their mothers' milk or formula with various ratios of whey to casein.

R. Ball, P. Pencharz, G. Sarwar, 1999, The American journal of clinical nutrition.

Evidence That Phenylalanine Hydroxylation Rates Are Overestimated in Neonatal Subjects Receiving Total Parenteral Nutrition with a High Phenylalanine Content

R. Ball, P. Pencharz, J. House, 1998, Pediatric Research.

Tyrosine Kinetics and Requirements during Total Parenteral Nutrition in the Neonatal Piglet: The Effect of Glycyl-L-Tyrosine Supplementation1

R. Ball, P. Pencharz, J. House, 1997, Pediatric Research.

In vivo regulation of phenylalanine hydroxylation to tyrosine, studied using enrichment in apoB-100.

R. Ball, P. Pencharz, G. Steiner, 2008, American journal of physiology. Endocrinology and metabolism.

Glycine, leucine, and phenylalanine flux in low-birth-weight infants during parenteral and enteral feeding.

R. Ball, P. Pencharz, L. Wykes, 1992, The American journal of clinical nutrition.

Regional brain neurotransmitter concentrations in stress-susceptible pigs.

R. Ball, J. House, O. Adeola, 1993, Journal of animal science.

Aromatic amino acid metabolism of neonatal piglets receiving TPN: effect of tyrosine precursors.

R. Ball, P. Pencharz, J. House, 1994, The American journal of physiology.

Efficacy of clomipramine in the treatment of canine compulsive disorder.

J. Parent, R. Ball, C. Hewson, 1998, Journal of the American Veterinary Medical Association.

Measuring change in the behavioural severity of canine compulsive disorder: the construct validity of categories of change derived from two rating scales

R. Ball, C. Hewson, U. Luescher, 1998 .

Adequate oral threonine is critical for mucin production and gut function in neonatal piglets.

R. Ball, P. Pencharz, G. Law, 2007, American journal of physiology. Gastrointestinal and liver physiology.

Intestinal development of early-weaned piglets receiving diets supplemented with selected amino acids or polyamines

R. Ball, R. Bertolo, A. L. Ewtushik, 2000 .

The effect of live weight gain and live weight loss on body composition of merino wethers: noncarcass organs.

R. Ball, D. Murray, N. Aziz, 1993, Journal of Animal Science.

The effect of live weight gain and live weight loss on body composition of Merino wethers: dissected muscle, fat, and bone.

R. Ball, D. Murray, N. Aziz, 1992, Journal of Animal Science.

Effect of phytase-xylanase supplementation to wheat-based diets on energy metabolism in growing–finishing pigs fed ad libitum

R. Ball, S. Moehn, J. Sands, 2007 .

l-Arginine Synthesis from Enteral Proline

R. Ball, C. Tomlinson, P. Pencharz, 2017 .

Parenteral and enteral routes of feeding in neonatal piglets require different ratios of branched-chain amino acids.

R. Ball, P. Pencharz, R. Elango, 2004, The Journal of nutrition.

Parenteral and Enteral Routes of Feeding in Neonatal Piglets Require Different Ratios of Branched-Chain Amino Acids 1,2

R. Ball, P. Pencharz, R. Elango, 2003 .

Intestinal atrophy has a greater impact on nitrogen metabolism than liver by-pass in piglets fed identical diets via gastric, central venous or portal venous routes.

R. Ball, P. Pencharz, R. Bertolo, 1999, The Journal of nutrition.

The effect of live weight gain and live weight loss on body composition of Merino wethers: chemical composition of the noncarcass organs and the empty body.

R. Ball, D. Murray, N. Aziz, 1994, Journal of animal science.

The effect of live weight gain and live weight loss on body composition of merino wethers: chemical composition of the dissected components.

R. Ball, D. Murray, N. Aziz, 1992, Journal of animal science.

Influence of dietary protein concentration on the oxidation of phenylalanine by the young pig

R. Ball, H. Bayley, 1986, British Journal of Nutrition.

PARTIAL REPLACEMENT OF SKIM MILK WITH FREE AMINO ACIDS IN DIETS FOR THE PIGLET

R. Ball, H. Bayley, K. I. Kim, 1984 .

Enteric methane produced by finisher pigs is affected by dietary crude protein content of barley gra

R. Ball, S. Moehn, J. K. Atakora, 2011 .

Enteral Tryptophan Requirement Determined by Oxidation of Gastrically or Intravenously Infused Phenylalanine Is Not Different from the Parenteral Requirement in Neonatal Piglets

R. Ball, P. Pencharz, J. Brunton, 2004, Pediatric Research.

Protein Requirements of Healthy Lactating Women Are Higher Than the Current Recommendations

R. Ball, R. Elango, G. Courtney-Martin, 2020, Current Developments in Nutrition.

Recent advances in determining protein and amino acid requirements in humans

R. Ball, P. Pencharz, R. Elango, 2012, British Journal of Nutrition.

Reply to DJ Millward and AA Jackson

R. Ball, P. Pencharz, R. Elango, 2012 .

Protein requirement of healthy school-age children determined by the indicator amino acid oxidation method.

R. Ball, P. Pencharz, R. Elango, 2011, The American journal of clinical nutrition.

Aromatic amino acid requirements in healthy men measured by indicator amino acid oxidation.

R. Ball, P. Pencharz, L. Goonewardene, 2006, The American journal of clinical nutrition.

Tryptophan requirement in young adult women as determined by indicator amino acid oxidation with L-[13C]phenylalanine.

R. Ball, P. Pencharz, M. Rafii, 1998, The American journal of clinical nutrition.

Dietary lysine requirement of young adult males determined by oxidation of L-[1-13C]phenylalanine.

R. Ball, P. Pencharz, G. Zello, 1993, The American journal of physiology.

Indicator Amino Acid Oxidation : Concept and Application 1 – 3

R. Ball, P. Pencharz, R. Elango, 2008 .

Organ and plasma amino acid concentrations are profoundly different in piglets fed identical diets via gastric, central venous or portal venous routes.

R. Ball, P. Pencharz, R. Bertolo, 2000, The Journal of nutrition.

Tyrosine requirements in children with classical PKU determined by indicator amino acid oxidation.

R. Ball, P. Pencharz, J. Clarke, 2000, American journal of physiology. Endocrinology and metabolism.

Recent advances in methods of assessing dietary amino acid requirements for adult humans.

R. Ball, P. Pencharz, G. Zello, 1995, The Journal of nutrition.

Hypothalamic neurotransmitter concentrations and meat quality in stressed pigs offered excess dietary tryptophan and tyrosine.

R. Ball, O. Adeola, 1992, Journal of animal science.

Metabolic availability of lysine in feedstuffs determined using oral isotope delivery

R. Ball, P. Pencharz, S. Moehn, 2007 .

Threonine requirement of young men determined by indicator amino acid oxidation with use of L-[1-(13)C]phenylalanine.

R. Ball, P. Pencharz, D. Wilson, 2000, The American journal of clinical nutrition.

Minimum methionine requirement and cysteine sparing of methionine in healthy school-age children.

R. Ball, P. Pencharz, R. Elango, 2006, The American journal of clinical nutrition.

Indicator amino acid oxidation responds rapidly to changes in lysine or protein intake in growing and adult pigs.

R. Ball, P. Pencharz, S. Moehn, 2004, The Journal of nutrition.

Urine collection as an alternative to blood sampling: a noninvasive means of determining isotopic enrichment to study amino acid flux in neonates.

R. Ball, P. Pencharz, L. Wykes, 1990, European journal of clinical nutrition.

Estimate of the variability of the lysine requirement of growing pigs using the indicator amino acid oxidation technique.

R. Ball, P. Pencharz, S. Moehn, 2005, Journal of animal science.

Next Generation Diet Formulation: True Metabolic Availability of Amino Acids in Diets for Pigs

R. Ball, S. Moehn, 2004 .

Lysine requirements of pre-lay broiler breeder pullets: determination by indicator amino acid oxidation.

R. Ball, D. Korver, S. Moehn, 2003, The Journal of nutrition.

Development of the indicator amino acid oxidation technique in chickens: calibration of oxidation system and determination of bicarbonate retention factor.

R. Ball, D. Korver, R. Bertolo, 2002, Poultry science.

Reexamination of protein requirements in adult male humans by end-product measurements of leucine and lysine metabolism.

R. Ball, P. Pencharz, G. Zello, 1992, The Journal of nutrition.

PHENYLALANINE METABOLISM IN SHEEP INFUSED WITH GLUCOSE PLUS INSULIN. II. EFFECTS ON IN VIVO AND IN VITRO PROTEIN SYNTHESIS AND RELATED ENERGY EXPENDITURES

R. Ball, B. McBride, R. Early, 1988 .

Proline as an essential amino acid for the young pig

H. S. Bayley, R. Ball, H. Bayley, 1986, British Journal of Nutrition.

Feeding frequency and type of isotope tracer do not affect direct estimates of lysine oxidation in growing pigs.

R. Ball, C. D. de Lange, M. Fuller, 2003, The Journal of nutrition.

Effect of supplemental chromium on whole-body kinetics of glucose, lactate, and propionate in rams fed a high grain diet.

R. Ball, D. Trout, D. Mowat, 1997, Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology.

The significance of d-isomers in stable isotope studies in humans is dependent on the age of the subject and the amino acid tracer.

R. Ball, P. Pencharz, M. Rafii, 2010, Metabolism: Clinical and Experimental.

Length of adaptation has no effect on the threonine requirement determined in healthy young adult males using the indicator amino acid oxidation method.

R. Ball, P. Pencharz, R. Elango, 2023, The Journal of nutrition.

Arginine synthesis from enteral glutamine in healthy adults in the fed state.

R. Ball, P. Pencharz, M. Rafii, 2011, American journal of physiology. Endocrinology and metabolism.

EFFECT OF FEED PARTICLE SIZE AND DIETARY MELATONIN SUPPLEMENTATION ON GASTRIC ULCERS IN SWINE

R. Ball, R. Friendship, G. Bubenik, 1999 .

Methionine-hydroxy analogue was found to be significantly less bioavailable compared to dl-methionine for protein deposition in growing pigs.

R. Ball, A. Shoveller, S. Moehn, 2010, Animal : an international journal of animal bioscience.

An estimate of the methionine requirement and its variability in growing pigs using the indicator amino acid oxidation technique.

R. Ball, A. Shoveller, S. Moehn, 2008, Journal of animal science.

Arginine, ornithine, and proline interconversion is dependent on small intestinal metabolism in neonatal pigs.

R. Ball, P. Pencharz, J. Brunton, 2003, American journal of physiology. Endocrinology and metabolism.

Effects of dietary crude protein and phytase–xylanase supplementation of wheat grain based diets on energy metabolism and enteric methane in growing finishing pigs

R. Ball, S. Moehn, J. Sands, 2011 .

Protein intake but not feed intake affects dietary energy for finishing pigs.

R. Ball, S. Moehn, C. Levesque, 2013, Journal of animal physiology and animal nutrition.

Nutrient Metabolism Feeding Frequency and Type of Isotope Tracer Do Not Affect Direct Estimates of Lysine Oxidation in Growing Pigs 1

R. Ball, M. Fuller, S. Möhn, 2003 .

Relationship between bicarbonate retention and bone characteristics in broiler chickens.

R. Ball, D. Korver, S. Moehn, 2006, Poultry science.

In vitro Na+, K+-ATPase (EC 3.6.1.3)-dependent respiration and protein synthesis in skeletal muscle of pigs fed at three dietary protein levels

R. Ball, B. McBride, O. Adeola, 1989, British Journal of Nutrition.

Pyrroline-5-carboxylate reductase and proline oxidase activity in the neonatal pig.

S. E. Samuels, R. Ball, K. S. Acton, 1989, The Journal of nutrition.

Lysine oxidation by growing pigs receiving diets containing free and protein-bound lysine.

E. Batterham, R. Ball, R. V. van Barneveld, 1995, Journal of animal science.

Arginine synthesis does not occur during first-pass hepatic metabolism in the neonatal piglet.

K. Urschel, R. Ball, A. Shoveller, 2005, American Journal of Physiology. Endocrinology and Metabolism.

Calibration and validation of a carbon oxidation system and determination of the bicarbonate retention factor and the dietary phenylalanine requirement, in the presence of excess tyrosine, of adult, female, mixed-breed dogs,.

R. Ball, A. Shoveller, P. Pencharz, 2017, Journal of animal science.

Pattern of carbon dioxide production and retention is similar in adult pigs when fed hourly, but not when fed a single meal

R. Ball, P. Pencharz, S. Moehn, 2004, BMC Physiology.

Effects of compensatory growth on protein metabolism and meat tenderness of beef steers

R. Ball, H. Bruce, D. Mowat, 1991 .

Infusion of glucagon-like peptide 2 with an arginine deficient diet increases endogenous arginine synthesis from proline in parenterally-fed neonatal piglets ☆

K. Urschel, R. Ball, P. Pencharz, 2007 .

Arginine synthesis is regulated by dietary arginine intake in the enterally fed neonatal piglet.

R. Ball, A. Shoveller, P. Pencharz, 2004, American journal of physiology. Endocrinology and metabolism.

Glutamine supplementation to total parenteral nutrition promotes extracellular fluid expansion in piglets.

R. Ball, P. Pencharz, J. House, 1994, The Journal of nutrition.

Estimation of Amino Acid Requirements for Modern Sows

R. Ball, R. Samuel, S. Moehn, 2011 .

New energy and amino acid requirements for gestating sows.

R. Ball, R. Samuel, S. Moehn, 2011 .

Applying New Research to Reduce Sow Feed Costs

R. Ball, R. Samuel, S. Moehn, 2009 .

Splanchnic first pass disappearance of threonine and lysine do not differ in healthy men in the fed state.

R. Ball, P. Pencharz, R. Elango, 2013, The Journal of nutrition.

Enhanced attraction to blood by pigs with inadequate dietary protein supplementation

David Fraser, R. Ball, D. Fraser, 1991 .

Carcass composition of cull sows

R. Ball, W. Rae, N. Aziz, 1993 .

Prediction of lean yield in cull sows

R. Ball, W. Rae, N. Aziz, 1993 .

Phenylalanine flux, oxidation, and conversion to tyrosine in humans studied with L-[1-13C]phenylalanine.

R. Ball, P. Pencharz, G. Zello, 1990, The American journal of physiology.

Alleviation of hysteria in laying hens with dietary tryptophan.

R. Ball, S. Laycock, 0., 1990, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

Tissue mineral concentrations are profoundly altered in neonatal piglets fed identical diets via gastric, central venous, or portal venous routes.

R. Ball, P. Pencharz, R. Bertolo, 2014, JPEN - Journal of Parenteral and Enteral Nutrition.

The dietary requirement for total sulphur amino acids in adults ≥60 years appears higher in males than in females.1,2.

R. Ball, P. Pencharz, R. Elango, 2023, The American journal of clinical nutrition.

Exogenous glucagon-like peptide-2 improves outcomes of intestinal adaptation in a distal-intestinal resection neonatal piglet model of short bowel syndrome

R. Ball, P. Pencharz, P. Brubaker, 2014, Pediatric Research.

The Minimum Methionine Requirement for Adults Aged ≥60 Years Is the Same in Males and Females

R. Ball, P. Pencharz, R. Elango, 2023, Nutrients.

Proline is synthesized from intravenously infused arginine by piglets consuming low proline diets

R. Ball, R. Wilson, S. Murch, 1996 .

The balance of dietary sulfur amino acids and the route of feeding affect plasma homocysteine concentrations in neonatal piglets.

R. Ball, A. Shoveller, P. Pencharz, 2004, Journal of NutriLife.

Lysine from cooked white rice consumed by healthy young men is highly metabolically available when assessed using the indicator amino acid oxidation technique.

R. Ball, P. Pencharz, R. Elango, 2013, The Journal of nutrition.

Recent advances in determining protein and amino acid requirements in humans

R. Ball, P. Pencharz, R. Elango, 2012, British Journal of Nutrition.

Reevaluation of the protein requirement in young men with the indicator amino acid oxidation technique.

R. Ball, P. Pencharz, R. Elango, 2007, The American journal of clinical nutrition.

Protein requirements of healthy pregnant women during early and late gestation are higher than current recommendations.

R. Ball, P. Pencharz, R. Elango, 2015, The Journal of nutrition.

Effect of dietary proline on proline metabolism in the neonatal pig.

S. E. Samuels, R. Ball, H. Aarts, 1989, The Journal of nutrition.

Reply to DJ Millward.

G. McCabe, W. Campbell, R. Ball, 2014, The American journal of clinical nutrition.

The significance of d-isomers in stable isotope studies in humans is dependent on the age of the subject and the amino acid tracer.

R. Ball, P. Pencharz, M. Rafii, 2010, Metabolism: clinical and experimental.

THE INFLUENCE OF BOVINE SOMATOTROPIN (BST) ON LEUKOCYTE INSULIN RECEPTORS IN LACTATING COWS AND BEEF STEERS

A. D. Kennedy, R. Ball, B. McBride, 1989 .

Splanchnic first pass disappearance of threonine and lysine do not differ in healthy men in the fed state.

R. Ball, P. Pencharz, R. Elango, 2013, The Journal of nutrition.

The indicator amino acid oxidation method identified limiting amino acids in two parenteral nutrition solutions in neonatal piglets.

R. Ball, A. Shoveller, P. Pencharz, 2007, The Journal of nutrition.