A. Hristov

发表

Effects of slow-release urea and rumen-protected methionine and histidine on mammalian target of rapamycin (mTOR) signaling and ubiquitin proteasome-related gene expression in skeletal muscle of dairy cows.

C. Lang, C. Parys, H. Sadri, 2016, Journal of dairy science.

Greenhouse gas mitigation potentials in the livestock sector

Pete Smith, E. Stehfest, P. Thornton, 2016 .

Comparison of Two Sampling Techniques for Evaluating Ruminal Fermentation and Microbiota in the Planktonic Phase of Rumen Digesta in Dairy Cows

D. Pitta, A. Hristov, C. F. de Assis Lage, 2020, Frontiers in Microbiology.

A review of ammonia emission mitigation techniques for concentrated animal feeding operations

P. Ndegwa, A. Hristov, J. Arogo, 2008 .

Technical options for the mitigation of direct methane and nitrous oxide emissions from livestock: a review.

C. Rotz, P. Gerber, A. Rotz, 2013, Animal : an international journal of animal bioscience.

Special topics--Mitigation of methane and nitrous oxide emissions from animal operations: II. A review of manure management mitigation options.

P. Gerber, A. Rotz, F. Montes, 2013, Journal of animal science.

Mitigation of greenhouse gas emissions in livestock production - A review of technical options for non-CO2 emissions

A. Rotz, F. Montes, A. Hristov, 2013 .

Special topics--Mitigation of methane and nitrous oxide emissions from animal operations: III. A review of animal management mitigation options.

P. Gerber, A. Rotz, F. Montes, 2013, Journal of animal science.

Measuring concentrations of ammonia in ambient air or exhaust air stream using acid traps.

P. Ndegwa, A. Hristov, V. Vaddella, 2009, Journal of environmental quality.

Effect of dietary protein concentration on ammonia and greenhouse gas emitting potential of dairy manure.

G. Feyereisen, A. Hristov, C. Dell, 2012, Journal of dairy science.

Mitigation of methane and nitrous oxide emissions from animal operations : I . A review of enteric methane mitigation options 1

P. Gerber, A. Hristov, J. Dijkstra, 2013 .

CASE STUDY: Reducing dietary protein decreased the ammonia emitting potential of manure from commercial dairy farms

A. Hristov, P. Topper, V. Ishler, 2015 .

Effect of dietary protein level and rumen-protected amino acid supplementation on amino acid utilization for milk protein in lactating dairy cows.

C. Parys, F. Giallongo, A. Hristov, 2015, Journal of dairy science.

Effects of metabolizable protein supply and amino acid supplementation on nitrogen utilization, milk production, and ammonia emissions from manure in dairy cows.

C. Parys, A. Hristov, G. Varga, 2012, Journal of dairy science.

Rumen fermentation and production effects of Origanum vulgare L. leaves in lactating dairy cows.

A. Hristov, G. Varga, T. Cassidy, 2011, Journal of dairy science.

Effect of replacing solvent-extracted canola meal with high-oil traditional canola, high-oleic acid canola, or high-erucic acid rapeseed meals on rumen fermentation, digestibility, milk production, and milk fatty acid composition in lactating dairy cows.

A. Hristov, C. Lee, K. Shingfield, 2011, Journal of dairy science.

Dairy manure amendment effects on odor and gas emissions

Deborah A Topper, A. Hristov, E. F. Wheeler, 2010 .

Enteric methane mitigation strategies for ruminant livestock systems in the Latin America and Caribbean region: A meta-analysis

Luiz Carlos Pereira, O. A. Castelán-Ortega, L. G. Albuquerque, 2021 .

Symposium review: Uncertainties in enteric methane inventories, measurement techniques, and prediction models.

M. Kreuzer, P. Moate, D. Casper, 2018, Journal of dairy science.

Effects of plants and essential oils on ruminal in vitro batch culture methane production and fermentation

A. Hristov, G. Varga, C. Cantrell, 2012, Canadian Journal of Animal Science.

Variability in feed and total mixed ration neutral detergent fiber and crude protein analyses among commercial laboratories.

D. Mertens, A. Hristov, W. Price, 2010, Journal of dairy science.

Short-term methane emissions from 2 dairy farms in California estimated by different measurement techniques and US Environmental Protection Agency inventory methodology: A case study.

D. Zavala-Araiza, S. Herndon, S. Conley, 2018, Journal of dairy science.

Effect of dietary concentrate on rumen fermentation, digestibility, and nitrogen losses in dairy cows.

P. Ndegwa, A. Hristov, V. Vaddella, 2010, Journal of dairy science.

Invited review: Nitrogen in ruminant nutrition: A review of measurement techniques.

M. Kreuzer, A. Hristov, J. Dijkstra, 2019, Journal of dairy science.

Review: Ammonia emissions from dairy farms and beef feedlots1

P. Ndegwa, A. Rotz, R. Todd, 2011, Canadian Journal of Animal Science.

Cow of the Future Research Priorities for Mitigating Enteric Methane Emissions from Dairy

R. Cady, J. Knapp, A. Hristov, 2011 .

Nitrogen losses from dairy manure estimated through nitrogen mass balance and chemical markers.

P. Ndegwa, A. Hristov, Steven R. Silva, 2009, Journal of environmental quality.

Lavender and hyssop productivity, oil content, and bioactivity as a function of harvest time and drying

T. Astatkie, A. Hristov, V. Zheljazkov, 2012 .

Yield, content, and composition of peppermint and spearmints as a function of harvesting time and drying.

T. Astatkie, A. Hristov, C. Cantrell, 2010, Journal of agricultural and food chemistry.

Synthesis of microbial protein in ruminally cannulated cows fed alfalfa silage, alfalfa hay, or corn silage.

G. Broderick, A. Hristov, 1996, Journal of dairy science.

Effects of tannins on the fatty acid profiles of rumen fluids and milk from lactating goats fed a total mixed ration containing rapeseed oil

Shaoxun Tang, Min Wang, Jinhe Kang, 2017 .

Discrepancies and Uncertainties in Bottom-up Gridded Inventories of Livestock Methane Emissions for the Contiguous United States.

A. Venkatesh, C. Randles, A. Hristov, 2017, Environmental science & technology.

Acceptance of flavored concentrate premixes by young ruminants following a short-term exposure.

A. Hristov, S. Räisänen, A. Melgar, 2019, Journal of dairy science.

Effect of carbohydrate source on ammonia utilization in lactating dairy cows.

A. Hristov, A. Melgar, S. Abedi, 2005, Journal of animal science.

Inclusion of brown midrib dwarf pearl millet silage in the diet of lactating dairy cows.

A. Hristov, A. Melgar, K. Nedelkov, 2018, Journal of dairy science.

Using brown midrib 6 dwarf forage sorghum silage and fall-grown oat silage in lactating dairy cow rations.

F. Giallongo, A. Hristov, J. Oh, 2017, Journal of dairy science.

Nonequilibrium clumped isotope signals in microbial methane

C. N. Sutcliffe, M. Könneke, A. Hristov, 2015, Science.

Effect of 3-nitrooxypropanol on methane and hydrogen emissions, methane isotopic signature, and ruminal fermentation in dairy cows.

F. Giallongo, A. Hristov, D. Gruen, 2016, Journal of dairy science.

Climate change effects on livestock in the Northeast US and strategies for adaptation

D. Hollinger, C. Rotz, L. Baumgard, 2017, Climatic Change.

Diet formulation as an effective tool for mitigating nitrogen excretion in dairy systems

A. Hristov, 2013 .

Journal of Agricultural Science

A. Hristov, P. Huhtanen, 2009, The Journal of Agricultural Science.

Effects of lauric acid on ruminal protozoal numbers and fermentation pattern and milk production in lactating dairy cows.

G. Broderick, A. Hristov, A. Faciola, 2013, Journal of animal science.

Effects of plant-derived bio-active compounds on rumen fermentation, nutrient utilization, immune response, and productivity of ruminant animals

A. Hristov, J. Oh, 2016 .

Rumen-protected lysine, methionine, and histidine increase milk protein yield in dairy cows fed a metabolizable protein-deficient diet.

C. Parys, A. Hristov, G. Varga, 2012, Journal of dairy science.

Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050

M. Kreuzer, A. Hristov, J. Dijkstra, 2022, Proceedings of the National Academy of Sciences of the United States of America.

Effects of rumen-protected Capsicum oleoresin on immune responses in dairy cows intravenously challenged with lipopolysaccharide.

F. Giallongo, A. Hristov, D. Bravo, 2017, Journal of dairy science.

Proteolytic activity in ruminal fluid from cattle fed two levels of barley grain: a comparison of three methods of determination

A. Hristov, C. J. Newbold, Zhongjun Xu, 2002 .

Estimating passage kinetics using fibre-bound 15N as an internal marker

A. Hristov, P. Huhtanen, 2001 .

Hydrological and biogeochemical investigation of an agricultural watershed, southeast New Hampshire, USA

Jerry M. Davis, W. McDowell, A. Hristov, 2010 .

Effects of the macroalga Asparagopsis taxiformis and oregano leaves on methane emission, rumen fermentation, and lactational performance of dairy cows.

D. Pitta, A. Hristov, S. Räisänen, 2021, Journal of dairy science.

An inhibitor persistently decreased enteric methane emission from dairy cows with no negative effect on milk production

P. Moate, F. Giallongo, A. Hristov, 2015, Proceedings of the National Academy of Sciences.

Effects of slow-release urea and rumen-protected methionine and histidine on performance of dairy cows.

A. Gehman, C. Parys, F. Giallongo, 2015, Journal of dairy science.

Effect of fibrolytic enzymes and an inoculant on in vitro degradability and gas production of low-dry matter alfalfa silage

A. Hristov, S. Zaman, T. McAllister, 2008 .

Enteric methane emission, milk production, and composition of dairy cows fed 3-nitrooxypropanol.

A. Hristov, S. Räisänen, A. Melgar, 2020, Journal of dairy science.

Effects of 3-nitrooxypropanol on rumen fermentation, lactational performance, and resumption of ovarian cyclicity in dairy cows.

F. Giallongo, A. Hristov, A. Melgar, 2019, Journal of dairy science.

Effects of rumen-protected Capsicum oleoresin on productivity and responses to a glucose tolerance test in lactating dairy cows.

F. Giallongo, A. Hristov, D. Bravo, 2016, Journal of dairy science.

Effects of dietary protein concentration on ammonia volatilization, nitrate leaching, and plant nitrogen uptake from dairy manure applied to lysimeters.

G. Feyereisen, A. Hristov, C. Dell, 2014, Journal of environmental quality.

Feeding dairy cows for improved metabolism and health

A. Hristov, D. Wasson, L. F. Martins, 2022, Animal frontiers : the review magazine of animal agriculture.

Histidine deficiency has a negative effect on lactational performance of dairy cows.

C. Parys, F. Giallongo, A. Hristov, 2017, Journal of dairy science.

Effects of phytonutrients alone or in combination with monensin on productivity in lactating dairy cows.

C. Lang, A. Hristov, J. Oh, 2018, Journal of dairy science.

Effect of Tween 80 and salinomycin on ruminal fermentation and nutrient digestion in steers fed a diet containing 70% barley

A. Hristov, K. Cheng, M. Olson, 2000 .

Effect of high-oleic-acid soybeans on production performance, milk fatty acid composition, and enteric methane emission in dairy cows.

D. M. Kniffen, F. Giallongo, A. Hristov, 2017, Journal of dairy science.

Review of current in vivo measurement techniques for quantifying enteric methane emission from ruminants

A. Hristov, J. Dijkstra, E. Kebreab, 2016 .

Livestock methane emissions in the United States

A. Hristov, E. Kebreab, Kristen A. Johnson, 2014, Proceedings of the National Academy of Sciences.

Design, implementation and interpretation of in vitro batch culture experiments to assess enteric methane mitigation in ruminants—a review

A. Hristov, J. Dijkstra, E. Kebreab, 2016 .

Effect of exogenous polysaccharide-degrading enzyme preparations on ruminal fermentation and digestibility of nutrients in dairy cows

A. Hristov, A. Melgar, J. Tricarico, 2008 .

Effect of barley and its amylopectin content on ruminal fermentation and nitrogen utilization in lactating dairy cows.

A. Hristov, K. Huber, W. Price, 2006, Journal of dairy science.

Comparison of purines and nitrogen-15 as microbial flow markers in beef heifers fed barley- or corn-based diets

G. Broderick, A. Hristov, D. Ouellet, 2005 .

Evaluation of several potential bioactive agents for reducing protozoal activity in vitro

A. Hristov, M. Ivan, L. Neill, 2003 .

Fractionation of ammonia nitrogen isotopes by ruminal bacteria in vitro

A. Hristov, 2002 .

Effect of barley and its amylopectin content on ruminal fermentation and bacterial utilization of ammonia-N in vitro

A. Hristov, C. W. Hunt, J. Ropp, 2002 .

Comparison of the ruminal metabolism of nitrogen from 15N-labeled alfalfa preserved as hay or as silage.

A. Hristov, S. Acharya, L. Rode, 2001, Journal of dairy science.

Dose-response effect of 3-nitrooxypropanol on enteric methane emissions in dairy cows.

A. Hristov, S. Räisänen, A. Melgar, 2020, Journal of dairy science.

Short communication: Evaluation of acid-insoluble ash and indigestible neutral detergent fiber as total-tract digestibility markers in dairy cows fed corn silage-based diets.

A. Hristov, C. Lee, C. Lee, 2013, Journal of dairy science.

Effects of Tween 80 and Fibrolytic Enzymes on Ruminal Fermentation and Digestibility of Feeds in Holstein Cows

A. Hristov, K. Cheng, J. Shelford, 2005 .

Enzymes in ruminant diets.

A. Hristov, K. Beauchemin, L. Rode, 2000 .

Effects of Saccharomyces cerevisiae-based direct-fed microbial and exogenous enzyme products on enteric methane emission and productivity in lactating dairy cows.

A. Hristov, A. Melgar, J. Oh, 2019, Journal of dairy science.

Stability of exogenous polysaccharide-degrading enzymes in the rumen 1 Lethbridge Research Centre Co

A. Hristov, K. Cheng, T. McAllister, 1998 .

Protein feeding and balancing for amino acids in lactating dairy cattle.

A. Hristov, H. Lapierre, R. Patton, 2014, The Veterinary clinics of North America. Food animal practice.

Special topics--Mitigation of methane and nitrous oxide emissions from animal operations: I. A review of enteric methane mitigation options.

P. Gerber, A. Hristov, J. Dijkstra, 2013, Journal of animal science.

Technical note: Contribution of ammonia emitted from livestock to atmospheric fine particulate matter (PM2.5) in the United States.

A. Hristov, A N Hristov, 2011, Journal of dairy science.

A review of bloat in feedlot cattle.

A. Hristov, Z. Mir, K. Cheng, 1998, Journal of animal science.

Effect of inclusion of peas in dairy cow diets on ruminal fermentation, digestibility, and nitrogen losses

A. Hristov, S. Zaman, C. Schneider, 2009 .

Peas can replace soybean meal and corn grain in dairy cow diets.

A. Hristov, S. Zaman, M. Vander Pol, 2008, Journal of dairy science.

Effects of essential oils on proteolytic, deaminative and methanogenic activities of mixed ruminal bacteria

A. Hristov, W. Yang, A. Chaves, 2008 .

Immune and production responses of dairy cows to postruminal supplementation with phytonutrients.

S. Dowd, A. Hristov, J. Werner, 2013, Journal of dairy science.

Inclusion of wheat and triticale silage in the diet of lactating dairy cows.

F. Giallongo, A. Hristov, J. Oh, 2017, Journal of dairy science.

Effect of Origanum vulgare L. leaves on rumen fermentation, production, and milk fatty acid composition in lactating dairy cows.

B. Corl, A. Hristov, G. Varga, 2013, Journal of dairy science.

Effects of a combination of Capsicum oleoresin and clove essential oil on metabolic status, lactational performance, and enteric methane emissions in dairy cows.

A. Hristov, S. Räisänen, A. Hristov, 2022, Journal of dairy science.

Host-mediated effects of phytonutrients in ruminants: A review.

A. Hristov, D. Bravo, J. Oh, 2017, Journal of dairy science.

Effect of essential oils on ruminal fermentation and lactation performance of dairy cows.

A. Hristov, D. Bravo, G. Varga, 2013, Journal of dairy science.

Effects of essential oils on in vitro ruminal fermentation and ammonia release

A. Hristov, A. Melgar, S. Zaman, 2008 .

Effects of potential dietary antiprotozoal supplements on rumen fermentation and digestibility in heifers

A. Hristov, L. Rode, K. Koenig, 2007 .

Effect of Yucca schidigera-based surfactant on ammonia utilization in vitro, and in situ degradability of corn grain

A. Hristov, D. Greer, J. Ropp, 2004 .

Effect of Yucca schidigera on ruminal fermentation and nutrient digestion in heifers.

A. Hristov, A. Hristov, K. Cheng, 1999, Journal of animal science.

Mitigation of methane and nitrous oxide emissions from animal operations : III . A review of animal management mitigation options 1

P. Gerber, A. Rotz, F. Montes, 2013 .

Nitrogen and phosphorus nutrition of cattle: reducing the environmental impact of cattle operations.

A. Hristov, E. Pfeffer, 2005 .

Effect of a surfactant and exogenous enzymes on digestibility of feed and on growth performance and carcass traits of lambs

K. Stanford, A. Hristov, K. Cheng, 2000 .

Effect of 2-hydroxy-4-methylthio-butanoic acid on ruminal fermentation, bacterial distribution, digestibility, and performance of lactating dairy cows.

A. Hristov, G. Zanton, J. Oh, 2015, Journal of dairy science.

A meta-analysis of variability in continuous-culture ruminal fermentation and digestibility data.

A. Hristov, P. Huhtanen, C. Lee, 2012, Journal of dairy science.

The effects of ruminally degraded protein on rumen fermentation and ammonia losses from manure in dairy cows.

P. Ndegwa, A. Hristov, V. Vaddella, 2010, Journal of dairy science.

Intraruminal supplementation with increasing levels of exogenous polysaccharide-degrading enzymes: effects on nutrient digestion in cattle fed a barley grain diet.

A. Hristov, K. Cheng, T. McAllister, 2000, Journal of Animal Science.

Effect of Saccharomyces cerevisiae fermentation product on ruminal fermentation and nutrient utilization in dairy cows.

B. Corl, I. Yoon, A. Hristov, 2010, Journal of dairy science.

Integration of ruminal metabolism in dairy cattle.

N. St-Pierre, A. Hristov, G. Varga, 2006, Journal of dairy science.

milk production in lactating dairy cows Effects of lauric acid on ruminal protozoal numbers and fermentation pattern

G. Broderick, A. Hristov, A. Faciola, 2013 .

Effects of dietary protein concentration and coconut oil supplementation on nitrogen utilization and production in dairy cows.

B. Corl, A. Hristov, C. Lee, 2011, Journal of dairy science.

Effects of lauric and myristic acids on ruminal fermentation, production, and milk fatty acid composition in lactating dairy cows.

B. Corl, A. Hristov, C. Lee, 2011, Journal of dairy science.

Production effects of feeding extruded soybean meal to early-lactation dairy cows.

D. M. Kniffen, A. Hristov, S. Räisänen, 2019, Journal of dairy science.

Effects of sunflower oil in barley grain-based finishing diets on growth and carcass quality of feedlot steers

A. Hristov, M. Ivan, P. Mir, 2006 .

Prediction of enteric methane emissions by sheep using an intercontinental database

M. Kreuzer, H. Clark, A. Hristov, 2022, Journal of Cleaner Production.

A meta-analysis of the effects of dietary protein concentration and degradability on milk protein yield and milk N efficiency in dairy cows.

A. Hristov, P. Huhtanen, 2009, Journal of dairy science.

Nitrogen and Phosphorus Nutrition of Cattle

Alexander Nikolov Hristov, Ernst Pfeffer, A. Hristov, 2005 .

Short communication: Comparison of 3 solid digesta passage markers in dairy cows.

A. Hristov, C. Lee, 2014, Journal of dairy science.

Relationships between circulating plasma concentrations and duodenal flows of essential amino acids in lactating dairy cows.

C. Parys, A. Hristov, H. Lapierre, 2015, Journal of dairy science.

Effects of lowering crude protein supply alone or in a combination with essential oils on productivity, rumen function and nutrient utilization in dairy cows.

A. Hristov, J. Oh, M. Harper, 2019, Animal : an international journal of animal bioscience.

Effect of dietary or abomasal supplementation of exogenous polysaccharide-degrading enzymes on rumen fermentation and nutrient digestibility.

A. Hristov, K. Cheng, T. McAllister, 1998, Journal of animal science.

Performance of dairy cows fed normal- or reduced-starch diets supplemented with an exogenous enzyme preparation.

A. Hristov, S. Räisänen, A. Melgar, 2022, Journal of dairy science.

Essential Oils as Feed Additives in Ruminant Nutrition

A. Hristov, C. Benchaar, Henry Greathead, 2012 .

Effects of rumen-protected methionine, lysine, and histidine on lactation performance of dairy cows.

C. Parys, F. Giallongo, A. Hristov, 2016, Journal of dairy science.

Short communication: Analytical method and amount of preservative added to milk samples may alter milk urea nitrogen measurements.

A. Hristov, H. Weeks, 2017, Journal of dairy science.

Lactational performance, enteric gas emissions, and plasma amino acid profile of dairy cows fed diets with soybean or canola meals included on an equal protein basis.

D. M. Kniffen, A. Hristov, S. Räisänen, 2021, Journal of dairy science.

Effect of diet, digesta processing, freezing and extraction procedure on some polysaccharide-degrading activities of ruminal contents

A. Hristov, K. Cheng, T. McAllister, 1999 .

Reduced Carriage of Escherichia coli O157:H7 in Cattle Fed Yeast Culture Supplement

I. Yoon, A. Hristov, H. Sheng, 2009 .

Rumen bacterial, archaeal, and fungal diversity of dairy cows in response to ingestion of lauric or myristic acid.

S. Dowd, A. Hristov, T. Callaway, 2012, Journal of animal science.

Short communication: Increased somatic cell count is associated with milk loss and reduced feed efficiency in lactating dairy cows.

A. Hristov, C. Arndt, T. L. Potter, 2018, Journal of dairy science.

CASE STUDY: Farm-level evaluation of implementing nitrogen and phosphorus feeding best management practices on Pennsylvania dairy farms

A. Hristov, K. Heyler, J. Oh, 2015 .

Feeding Protein to Dairy Cows - What Should Be Our Target?

F. Giallongo, A. Hristov, 2014 .

Factors affecting the efficiency of nitrogen utilization in the rumen.

A. Hristov, J. Jouany, 2005 .

Efficiency of utilization of ruminal ammonia N for milk protein synthesis in dairy cows.

C. Metges, A. Hristov, W. Price, 2003 .

Prediction of enteric methane production, yield, and intensity in dairy cattle using an intercontinental database

Peter J Moate, Nico Peiren, Ermias Kebreab, 2018, Global change biology.

Nitrogen Isotope Fractionation and Origin of Ammonia Nitrogen Volatilized from Cattle Manure in Simulated Storage

A. Hristov, C. Lee, T. Cassidy, 2011, ATMOS 2011.

Entrepreneurship and Business Performance Indicators as Determinants of Arizona Charter Schools Quality

A. Hristov, 2011 .

Current state of enteric methane and the carbon footprint of beef and dairy cattle in the United States.

C. Rotz, N. Mueller, L. Tedeschi, 2021, Animal frontiers : the review magazine of animal agriculture.

Effect of technical cashew nut shell liquid on rumen methane emission and lactation performance of dairy cows.

F. Giallongo, A. Hristov, J. Oh, 2015, Journal of dairy science.

Histidine dose-response effects on lactational performance and plasma amino acid concentrations in lactating dairy cows: 1. Metabolizable protein-adequate diet.

A. Hristov, S. Räisänen, A. Melgar, 2021, Journal of Dairy Science.

Histidine dose-response effects on lactational performance and plasma amino acid concentrations in lactating dairy cows: 2. Metabolizable protein-deficient diet.

A. Hristov, S. Räisänen, A. Melgar, 2021, Journal of Dairy Science.

Extruded soybean meal increased feed intake and milk production in dairy cows.

D. M. Kniffen, F. Giallongo, A. Hristov, 2014, Journal of dairy science.

Lactational performance and plasma and muscle amino acid concentrations in dairy cows fed diets supplying 2 levels of digestible histidine and metabolizable protein.

A. Hristov, J. Werner, S. Räisänen, 2021, Journal of dairy science.

Effect of Dietary Supplementation of Capsicum Extract on Immune Responses, Blood Cell Counts, Blood Chemistry, and Oxidative Stress Markers in Lactating Dairy Cows

F. Giallongo, A. Hristov, R. Elias, 2014 .

The Pennsylvania State University The Graduate School EFFECTS OF RUMEN-PROTECTED CAPSICUM OLEORESIN ON FEED INTAKE, GROWTH PERFORMANCE, HEALTH STATUS, AND DIGESTIBILITY IN GROWING BEEF CATTLE FED GRAIN-BASED DIETS

A. Hristov, T. Etherton, M. F. Westphalen, 2020 .

Key Considerations for the Use of Seaweed to Reduce Enteric Methane Emissions From Cattle

S. Nuzhdin, K. Kalscheur, M. Hess, 2020, Frontiers in Veterinary Science.

Effects of dietary Capsicum oleoresin on productivity and immune responses in lactating dairy cows.

F. Giallongo, A. Hristov, D. Bravo, 2015, Journal of dairy science.

Bioavailability of rumen-protected methionine, lysine and histidine assessed by fecal amino acid excretion

C. Parys, A. Hristov, S. Räisänen, 2020 .

Comparing noninvasive sampling techniques with standard cannula sampling method for ruminal microbial analysis

D. Pitta, A. Hristov, C. F. de Assis Lage, 2021, JDS communications.

Dietary supplementation with rumen-protected capsicum during the transition period improves the metabolic status of dairy cows.

A. Hristov, S. Räisänen, A. Melgar, 2021, Journal of dairy science.

Enteric Methane Emission Models for Diverse Beef Cattle Feeding Systems in South-east Asia: A Meta-analysis

T. P. Tee, A. Hristov, E. Kebreab, 2022, Animal Feed Science and Technology.

Prediction of enteric methane production, yield and intensity of beef cattle using an intercontinental database

N. A. Cole, M. Kreuzer, D. Casper, 2019, Agriculture, Ecosystems & Environment.

Short communication: Relationship of dry matter intake with enteric methane emission measured with the GreenFeed system in dairy cows receiving a diet without or with 3-nitrooxypropanol.

A. Hristov, A. Melgar, 2020, Animal.

The Use of an Automated System (GreenFeed) to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

R. S. Zimmerman, P. Zimmerman, F. Giallongo, 2015, Journal of visualized experiments : JoVE.

Temporal changes in total and metabolically active ruminal methanogens in dairy cows supplemented with 3-nitrooxypropanol.

D. Pitta, A. Hristov, A. Melgar, 2021, Journal of dairy science.

Enteric methane emission can be reliably measured by the GreenFeed monitoring unit

A. Hristov, P. Huhtanen, M. Ramin, 2019, Livestock Science.

Letter to the Editor: Challenging one sensor method for screening dairy cows for reduced methane emissions.

A. Hristov, P. Huhtanen, 2018, Journal of dairy science.

Production effects and bioavailability of N-acetyl-l-methionine in lactating dairy cows.

A. Hristov, S. Räisänen, M. Fetter, 2021, Journal of dairy science.

Method for obtaining three products with different properties from fennel (Foeniculum vulgare) seed

R. Evangelista, B. Moser, T. Astatkie, 2014 .

Using Structural Equation Modeling to Understand Interactions Between Bacterial and Archaeal Populations and Volatile Fatty Acid Proportions in the Rumen

D. Pitta, A. Hristov, C. F. de Assis Lage, 2021, Frontiers in Microbiology.

Short communication: Short-term effect of 3-nitrooxypropanol on feed dry matter intake in lactating dairy cows.

A. Hristov, S. Räisänen, A. Melgar, 2020, Journal of dairy science.

Short communication: Preference for flavored concentrate premixes by dairy cows.

F. Giallongo, A. Hristov, J. Oh, 2016, Journal of dairy science.

Acting rapidly to deploy readily available methane mitigation measures by sector can immediately slow global warming

S. Hamburg, S. Pacala, D. Shindell, 2021, Environmental Research Letters.

Nutritional and management strategies to mitigate animal greenhouse gas emissions

P. Gerber, A. Rotz, F. Montes, 2013 .

Effect of exogenous enzymes on digestibility of barley silage and growth performance of feedlot cattle

A. Hristov, Z. Mir, K. Cheng, 1999 .

Variability in rumen degradability and intestinal digestibility of sunfl ower meals protein

A. Hristov, K. Nedelkov, N. Todorov, 2019 .

Feed Quality: External Flow Markers

A. Hristov, 2004 .

A Food System Summit Brief prepared by Science Partners of the Scientific Group for the Food

K. Termeer, A. Hristov, T. McAllister, 2021 .

Erratum: An inhibitor persistently decreased enteric methane emission from dairy cows with no negative effect on milk production (Proceedings of the National Academy of Sciences of the United States of America (2015) 112:34 (10663-10668) DOI: 10.1073/pnas.1504124112)

P. Moate, F. Giallongo, A. Hristov, 2015 .

Proteolysis and rumen degradability of protein in alfalfa preserved as silage, wilted silage or hay

A. Hristov, S. Sandev, 1998 .

Amendments for mitigation of dairy manure ammonia and greenhouse gas emissions: Preliminary screening

Deborah A Topper, A. Hristov, E. F. Wheeler, 2010 .

Amendments For Short- And Medium-Term Mitigation Of Odor Emissions From Dairy Manure

Deborah A Topper, A. Hristov, E. F. Wheeler, 2010 .

Historic, pre-European settlement, and present-day contribution of wild ruminants to enteric methane emissions in the United States.

A. Hristov, 2012, Journal of animal science.

Evaluation of odor emissions from amended dairy manure: preliminary screening

Deborah A Topper, A. Hristov, E. F. Wheeler, 2011 .

Effects of ensiling time on corn silage starch ruminal degradability evaluated in situ or in vitro.

A. Hristov, F. Masoero, A. Gallo, 2023, Journal of dairy science.

Enteric methane mitigation through Asparagopsis taxiformis supplementation and potential algal alternatives

A. Hristov, C. Yarish, D. Wasson, 2022, Frontiers in Animal Science.

Prediction of enteric methane production and yield in sheep using a Latin America and Caribbean database

A. Hristov, E. Kebreab, A. Bannink, 2022, Livestock Science.

Prediction of enteric methane production and yield in dairy cattle using a Latin America and Caribbean database.

A. Hristov, E. Kebreab, A. Bannink, 2022, Science of the Total Environment.

Evaluation of the performance of existing mathematical models predicting enteric methane emissions from ruminants: Animal categories and dietary mitigation strategies

P. Moate, A. Hristov, J. Dijkstra, 2019, Animal Feed Science and Technology.

Effect of a blend of artificial sweetener and capsicum on productive performance and blood chemistry in growing lambs

T. Felix, A. Hristov, K. Nedelkov, 2019 .

The value of manure - Manure as co-product in life cycle assessment

M. Rufino, M. Binder, R. Sakrabani, 2019, Journal of environmental management.

A Deep Learning Analytic Suite for Maximizing Twitter Impact

Zhao Chen, Alexander N Hristov, A. Hristov, 2016 .

Erratum to “Rumen fermentation and production effects of Origanum vulgare L. leaves in lactating dairy cows” (J. Dairy Sci. 94:5065–5079)

A. Hristov, G. Varga, T. Cassidy, 2012 .

Strategies to mitigate enteric methane emissions by ruminants - a way to approach the 2.0°C target.

M. Kreuzer, A. Hristov, J. Dijkstra, 2021 .

Amendments for mitigation of odor emissions from dairy manure: Preliminary screening

Deborah A Topper, A. Hristov, E. F. Wheeler, 2010 .

Manure amendments for mitigation of dairy ammonia and greenhouse gas emissions: preliminary screening

Deborah A Topper, A. Hristov, E. F. Wheeler, 2011 .

In vitro effects of individual fatty acids on protozoal numbers and on fermentation products in ruminal fluid from cattle fed a high-concentrate, barley-based diet.

A. Hristov, A. Hristov, M. Ivan, 2004, Journal of animal science.

Screening macroalgae for mitigation of enteric methane in vitro

D. Pitta, A. Hristov, S. Räisänen, 2023, Scientific reports.

China’s low-emission pathways toward climate-neutral livestock production for animal-derived foods

Jinfeng Chang, A. Hristov, Z. Bai, 2022, The Innovation.

Short communication: Variability in milk urea nitrogen and dairy total mixed ration composition in the northeastern United States.

F. Giallongo, A. Hristov, L. Chase, 2018, Journal of dairy science.

Effect of lauric acid and coconut oil on ruminal fermentation, digestion, ammonia losses from manure, and milk fatty acid composition in lactating cows.

P. Ndegwa, A. Hristov, K. Johnson, 2009, Journal of dairy science.

Effects of lauric and myristic acids on ruminal fermentation, production, and milk fatty acid composition in lactating dairy cows.

B. Corl, A. Hristov, R. Forster, 2011, Journal of dairy science.

Lactational performance, rumen fermentation, nutrient use efficiency, enteric methane emissions, and manure greenhouse gas-emitting potential in dairy cows fed a blend of essential oils

A. Hristov, S. Räisänen, M. Hile, 2023, Journal of Dairy Science.

Board-invited review: Opportunities and challenges in using exogenous enzymes to improve ruminant production.

A. Hristov, K. Beauchemin, A. Chaves, 2014, Journal of animal science.

Nonequilibrium clumped isotope signals in microbial methane

C. N. Sutcliffe, M. Könneke, A. Hristov, 2015, Science.

Short-term methane emissions from 2 dairy farms in California estimated by different measurement techniques and US Environmental Protection Agency inventory methodology: A case study.

D. Zavala-Araiza, S. Herndon, A. Hristov, 2018, Journal of dairy science.