V. C. Speer

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Effect of Weaning and Age at Weaning on Baby Pig Performance

Dean R. Zimmerman, V. D. Leibbrandt, R. C. Ewan, 1975 .

Effect of fat source and level on utilization of fat by young pigs.

R. C. Ewan, V. C. Speer, V. Hays, 1970, Journal of animal science.

Utilization of Fat by Young Pigs

J. Mccall, V. C. Speer, V. Hays, 1965 .

Absorption and utilization of sugars by the baby pigs.

R. C. Ewan, V. C. Speer, F. Aherne, 1969, Journal of animal science.

Effect of reduced farrowing interval on sow productivity

V. C. Speer, V. Hays, N. Moody, 1969 .

Threonine requirement for reproduction in swine.

V. C. Speer, R. Leonard, 1983, Journal of animal science.

Valine requirement for reproduction in swine.

V. C. Speer, A. Robles-Cabrera, 1983, Journal of animal science.

Tryptophan requirement for reproduction in swine.

V. C. Speer, D. Meisinger, 1979, Journal of animal science.

Lysine requirement for reproduction in swine.

V. C. Speer, R. Woerman, 1976, Journal of animal science.

Tryptophan requirement of the lactating sow.

A. Lewis, V. C. Speer, 1974, Journal of animal science.

Effect of diet form and emulsifying agents on fat utilization by young pigs.

R. C. Ewan, V. C. Speer, V. Hays, 1969, Journal of animal science.

Nutritional value of opaque-2 corn for young chicks and pigs.

R. C. Ewan, V. C. Speer, V. Hays, 1969, The Journal of nutrition.

Valine requirement of the lactating sow.

V. C. Speer, D. L. Rousselow, 1973, Journal of animal science.

The effect of age and supplemental amino acids on the utilization of milk and soya protein by the young pig.

V. C. Speer, V. Hays, D. Catron, 1959, The Journal of nutrition.

The free blood plasma amino acids of swine as related to the source of dietary proteins.

V. C. Speer, V. Hays, F. Puchal, 1962, Journal of NutriLife.

Protein-amino nutrition of nonruminant animals with emphasis on the pig: past, present and future.

D. Baker, V. C. Speer, 1983, Journal of animal science.

Studies on the passively acquired antibodies in the baby pig in relation to early weaning

V. C. Speer, 1957 .

Sulfur amino acid requirement of the pregnant gilt.

R. C. Ewan, V. C. Speer, P. Holden, 1971, Journal of animal science.

Effects of an antibiotic and flushing on performance of sows with short farrowing intervals.

V. C. Speer, D. J. Myers, 1973, Journal of animal science.

Effect of feed intake and antibiotic on reproduction in gilts.

V. C. Speer, V. Hays, W. Switzer, 1968 .

Effect of dietary chemotherapeutics on the performance and fecal flora of baby pigs.

V. C. Speer, L. Quinn, V. Hays, 1966 .

Effect of level and source of dietary protein on performance and fecal flora of baby pigs.

V. C. Speer, L. Quinn, V. Hays, 1964 .

Effect of an antibiotic (tylosin) and protein source on swine reproduction.

V. B. Mayrose, J. Mccall, V. C. Speer, 1964 .

Effect of spiramycin on growth and feed utilization of young pigs.

V. C. Speer, V. Hays, 1960 .

The Effect of Oleandomycin on the Performance of the Young Growing Pig

V. C. Speer, V. Hays, F. Díaz, 1960 .

Effect of different levels of aureomycin with and without vitamin B12 on growing-fattening swine.

V. C. Speer, D. Catron, H. Maddock, 1951, Antibiotics & chemotherapy.

Effect of aureomycin and animal protein factor on healthy pigs.

V. C. Speer, D. Catron, C. Culbertson, 1950, Archives of biochemistry.

Intestinal flora of the pig as influenced by diet and age.

V. C. Speer, L. Quinn, V. Hays, 1960, The Journal of nutrition.

The cessation of antibody absorption in the young pig.

V. C. Speer, L. Quinn, D. Catron, 1959, Journal of immunology.

Relationship between Yield and Composition of Sows' Milk and Weight Gains of Nursing Pigs

A. Lewis, V. C. Speer, D. Haught, 1978 .

Performance and deficiency symptoms of young pigs fed diets low in vitamin E and selenium.

R. C. Ewan, V. C. Speer, M. Wastell, 1969, Journal of animal science.

Estimation of the isoleucine and aromatic amino acid requirements of pregnant swine.

V. C. Speer, J. Trew, D. Kile, 1990, Journal of animal science.

Nutrient balance of lactating sows fed supplemental tallow.

V. C. Speer, W. A. Lellis, 1983, Journal of animal science.

Leucine requirement of the lactating sow.

V. C. Speer, D. Haught, D. L. Rousselow, 1979, Journal of animal science.

Isoleucine requirement of the lactating sow.

V. C. Speer, D. Haught, 1977, Journal of animal science.

Effects of pregnant mare serum and chlortetracycline on the reproductive efficiency of sows.

V. C. Speer, J. Soma, 1975, Journal of animal science.

Threonine requirement of the lactating sow.

A. Lewis, V. C. Speer, 1975, Journal of animal science.

Energy and nitrogen metabolism and performance responses of lactating sows fed thyroprotein.

V. C. Speer, F. Aherne, 1974, Journal of animal science.

Sulfur amino acid requirement of the lactating sow.

M. Ganguli, R. C. Ewan, V. C. Speer, 1971, Journal of animal science.

Effect of protein level during pregnancy and lactation on plasma amino acid profile of swine.

V. C. Speer, V. Hays, P. Holden, 1969, Journal of animal science.

Effect of Protein Level during Pregnancy and Lactation on Reproductive Performance in Swine

V. C. Speer, V. Hays, P. Holden, 1968 .

Effect of protein and energy intake on reproductive performance in swine.

V. C. Speer, V. Hays, L. T. Frobish, 1966, Journal of animal science.

Influence of feed intake and progestogen on reproductive performance in swine.

V. C. Speer, V. Hays, R. Melampy, 1966, Journal of animal science.

Partitioning nitrogen and amino acids for pregnancy and lactation in swine: a review.

V. C. Speer, 1990, Journal of animal science.

Estimating milk yield of sows.

V. C. Speer, D. F. Cox, 1984, Journal of animal science.

Glucose and fructose in the fetal and newborn pig.

R. C. Ewan, V. C. Speer, F. Aherne, 1969 .

Vitamin E and selenium for growing and finishing pigs.

R. C. Ewan, V. C. Speer, M. Wastell, 1972, Journal of animal science.

Effect of feeding levels on the reproductive performance of swine.

V. B. Mayrose, V. C. Speer, V. Hays, 1966 .

Protein and Fat Requirements of Baby Pigs

V. C. Speer, E. R. Peo, G. Ashton, 1957 .

Lysine requirement of the lactating sow.

A. Lewis, V. C. Speer, 1973, Journal of animal science.

Effect of Fat on Performance of Baby and Growing Pigs

R. C. Ewan, V. C. Speer, V. Hays, 1975 .

Thyroprotein for Lactating Sows

V. C. Speer, V. Hays, C. W. Johnson, 1959 .

Injectable Iron-Dextran and Several Oral Iron Treatments for the Prevention of Iron-Deficiency Anemia of Baby Pigs

V. C. Speer, D. Zimmerman, V. Hays, 1959 .

Swine Nutrition, Enzyme Supplementation of Baby Pig Diets

V. C. Speer, G. Ashton, D. Catron, 1955 .

Effects of copper sulfate, copper oxide and chlortetracycline on baby pig performance.

R. Bunch, V. C. Speer, V. Hays, 1961 .

Relationship of vitamin A to S35 metabolism in the baby pig.

R. S. Allen, V. C. Speer, V. Hays, 1959, The Journal of nutrition.

Calcium and Phosphorus Requirements of Growing-Finishing Swine

P. G. Homeyer, H. L. Chapman, V. C. Speer, 1962 .

Calcium studies with baby pigs.

V. C. Speer, D. Zimmerman, V. Hays, 1960 .

Serum metabolites of pregnant and hysterectomized gilts fed two levels of energy.

R. C. Ewan, V. C. Speer, M. E. Ruiz, 1971, Journal of animal science.

Thyroid function in the young pig and its relationship with vitamin A.

V. C. Speer, V. Hays, D. Frape, 1959, The Journal of nutrition.

Investigational use of artificial insemination in farm swine.

J. Lovell, V. C. Speer, V. Hays, 1965, Iowa State University veterinarian.

Factors affecting sow farrowing interval.

V. C. Speer, N. Moody, 1971, Journal of animal science.

Chapter 5 – Maximizing Lean Tissue Growth: Genetic, Nutritional, and Environmental Factors

V. C. Speer, 1991 .

Effects of high levels of copper and chlortetracycline on performance of pigs.

R. Bunch, J. Mccall, V. C. Speer, 1963 .

Effect of Age and Calorie: Protein Ratio on Performance and Body Composition of Baby Pigs

R. C. Ewan, V. C. Speer, D. Zimmerman, 1975 .

Effect of copper sulfate and other chemotherapeutics in growing swine rations.

V. C. Speer, V. Hays, D. Catron, 1961 .

Effect of dietary fat, protein and cholesterol on atherosclerosis in swine.

J. Mccall, V. C. Speer, V. Hays, 1966, The Journal of nutrition.

Performance of Growing-Finishing Swine Fed High-Moisture or Artificially Dried Corn in Complete and Free-Choice Diets

V. C. Speer, M. Jurgens, G. Engelke, 1984 .

Effects of Level of Corn- and Barley-Base Diets on Performance and Body Composition of Swine

E. Hammond, J. Mccall, V. C. Speer, 1965 .

Effects of starter protein level on performance and body composition of pigs.

R. C. Ewan, V. C. Speer, V. Hays, 1969, Journal of animal science.

Copper Supplementation for Weanling Pigs

R. Bunch, J. Mccall, V. C. Speer, 1965 .

Effect of fat source on pancreatic lipase activity and specificity and performance of baby pigs.

R. C. Ewan, V. C. Speer, V. Hays, 1971, Journal of animal science.

Potassium, protein and basic amino acid relationships in swine.

J. Mccall, V. C. Speer, J. Leibholz, 1966, Journal of animal science.

Effect of Calcium and Phosphorus Levels on Baby Pig Performance

V. C. Speer, D. Zimmerman, V. Hays, 1963 .

Comparative performances of baby pigs fed infant and baby pig diets.

P. G. Homeyer, V. C. Speer, V. Hays, 1959, The Journal of nutrition.

Application of the protein depletion-repletion technique in baby pig feeding experiments. I. A comparison of levels and sources of protein for baby pigs.

V. C. Speer, E. R. Peo, G. Ashton, 1957, The Journal of nutrition.

Hypervitaminosis A in the young pig.

J. Mccall, V. C. Speer, V. Hays, 1966, Journal of animal science.

Effect of protein-energy relationships on the performance and carcass quality of growing swine.

V. C. Speer, V. Hays, A. J. Clark, 1963 .

Lysine Supplementation of Corn- and Barley-Base Diets for Growing-Finishing Swine

V. C. Speer, H. E. Nielsen, V. Hays, 1963 .

Studies on the utilization of urea by growing swine.

V. C. Speer, G. Ashton, V. Hays, 1957 .

PROTEIN LEVELS FOR GROWING BOARS ON PASTURE AND CONCRETE DRYLOT

L. N. Hazel, V. C. Speer, G. Ashton, 1957 .

Efficacy of nosiheptide as a growth promotant for growing-finishing swine--a cooperative study.

G. Cromwell, T. Stahly, V. C. Speer, 1984, Journal of animal science.

Effect of saccharin and sucrose on the performance of young pigs.

V. C. Speer, V. Hays, D. Catron, 1961 .

Concentration of chlortetracycline in sows' blood and milk after oral administration.

V. C. Speer, G. Ashton, D. Catron, 1953, Antibiotics & chemotherapy.

Growth response of swine fed penicillin.

V. C. Speer, D. Catron, H. Maddock, 1951, Antibiotics & chemotherapy.

The vitamin A requirement of the young pig.

V. C. Speer, V. Hays, D. Frape, 1959, Journal of NutriLife.

New procedures in estimating feed substitution rates and in determining economic efficiency in pork production. 2. Replacement rates of corn and soybean oilmeal in fortified rations for growing-fattening swine on pasture.

E. Heady, V. C. Speer, G. Ashton, 2013 .