Alexander Hristov

Affiliate Researcher
Titles and Affiliations
Professor, Animal Science

Research Summary

Research interests include nutrient management, particularly reducing nutrient excretions from dairy operations; whole-farm nutrient balances; estimating ammonia losses from manure; and use of stable isotopes to trace sources of nutrient pollution.

In the News

Research Keywords

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Projects

Recent Publications

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

Arndt, C., Hristov, A. N., Price, W. J., McClelland, S. C., Pelaez, A. M., Cueva, S. F., Oh, J., Dijkstra, J., Bannink, A., Bayat, A. R., Crompton, L. A., Eugéne, M. A., Enahoro, D., Kebreab, E., Kreuzer, M., McGee, M., Martin, C., Newbold, C. J., Reynolds, C. K., Schwarm, A., & 4 othersShingfield, K. J., Veneman, J. B., Yáñez-Ruiz, D. R. & Yu, Z., May 17 2022, In: Proceedings of the National Academy of Sciences of the United States of America. 119, 20, e2111294119.

Research output: Contribution to journalArticlepeer-review

Prediction of nitrogen excretion from data on dairy cows fed a wide range of diets compiled in an intercontinental database: A meta-analysis

Bougouin, A., Hristov, A., Dijkstra, J., Aguerre, M. J., Ahvenjärvi, S., Arndt, C., Bannink, A., Bayat, A. R., Benchaar, C., Boland, T., Brown, W. E., Crompton, L. A., Dehareng, F., Dufrasne, I., Eugène, M., Froidmont, E., van Gastelen, S., Garnsworthy, P. C., Halmemies-Beauchet-Filleau, A., Herremans, S., & 23 othersHuhtanen, P., Johansen, M., Kidane, A., Kreuzer, M., Kuhla, B., Lessire, F., Lund, P., Minnée, E. M. K., Muñoz, C., Niu, M., Nozière, P., Pacheco, D., Prestløkken, E., Reynolds, C. K., Schwarm, A., Spek, J. W., Terranova, M., Vanhatalo, A., Wattiaux, M. A., Weisbjerg, M. R., Yáñez-Ruiz, D. R., Yu, Z. & Kebreab, E., Sep 2022, In: Journal of dairy science. 105, 9, p. 7462-7481 20 p.

Research output: Contribution to journalArticlepeer-review

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

Congio, G. F. S., Bannink, A., Mayorga, O. L., Rodrigues, J. P. P., Bougouin, A., Kebreab, E., Silva, R. R., Maurício, R. M., da Silva, S. C., Oliveira, P. P. A., Muñoz, C., Pereira, L. G. R., Gómez, C., Ariza-Nieto, C., Ribeiro-Filho, H. M. N., Castelán-Ortega, O. A., Rosero-Noguera, J. R., Tieri, M. P., Rodrigues, P. H. M., Marcondes, M. I., & 3 othersAstigarraga, L., Abarca, S. & Hristov, A. N., Jun 15 2022, In: Science of the Total Environment. 825, 153982.

Research output: Contribution to journalArticlepeer-review

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

Congio, G. F. S., Bannink, A., Mayorga, O. L., Rodrigues, J. P. P., Bougouin, A., Kebreab, E., Carvalho, P. C. F., Abdalla, A. L., Monteiro, A. L. G., Ku-Vera, J. C., Gere, J. I., Gómez, C. & Hristov, A. N., Oct 2022, In: Livestock Science. 264, 105036.

Research output: Contribution to journalArticlepeer-review

Symposium review: Effective nutritional strategies to mitigate enteric methane in dairy cattle

Hristov, A. N., Melgar, A., Wasson, D. & Arndt, C., Oct 2022, In: Journal of dairy science. 105, 10, p. 8543-8557 15 p.

Research output: Contribution to journalReview articlepeer-review

Corrigendum to “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” (Journal of Dairy Science (2021) 104(3) (3052–3066), (S0022030221000138), (10.3168/jds.2020-18851))

Lage, C. F. A., Räisänen, S. E., Stefenoni, H., Melgar, A., Chen, X., Oh, J., Fetter, M. E., Kniffen, D. M., Fabin, R. A. & Hristov, A. N., May 2022, In: Journal of dairy science. 105, 5, p. 4690 1 p.

Research output: Contribution to journalComment/debatepeer-review

Effects of an exogenous enzyme preparation extracted from a mixed culture of Aspergillus spp. on lactational performance, metabolism, and digestibility in primiparous and multiparous cows

Martins, L. F., Oh, J., Harper, M., Melgar, A., Räisänen, S. E., Chen, X., Nedelkov, K., Karnezos, T. P. & Hristov, A. N., Sep 2022, In: Journal of dairy science. 105, 9, p. 7344-7353 10 p.

Research output: Contribution to journalArticlepeer-review

The effect of 3-nitrooxypropanol, a potent methane inhibitor, on ruminal microbial gene expression profiles in dairy cows

Pitta, D. W., Indugu, N., Melgar, A., Hristov, A., Challa, K., Vecchiarelli, B., Hennessy, M., Narayan, K., Duval, S., Kindermann, M. & Walker, N., Dec 2022, In: Microbiome. 10, 1, 146.

Research output: Contribution to journalArticlepeer-review

Corrigendum to “Lactational performance and plasma and muscle amino acid concentrations in dairy cows fed diets supplying 2 levels of digestible histidine and metabolizable protein” (J. Dairy Sci. 105:170–187) (Journal of Dairy Science (2022) 105(1) (170–187), (S0022030221009620), (10.3168/jds.2021-20800))

Räisänen, S. E., Lage, C. F. A., Zhou, C., Melgar, A., Silvestre, T., Wasson, D. E., Cueva, S. F., Werner, J., Takagi, T., Miura, M. & Hristov, A. N., Jun 2022, In: Journal of dairy science. 105, 6, p. 5544 1 p.

Research output: Contribution to journalComment/debatepeer-review

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

Räisänen, S. E., Lage, C. F. A., Zhou, C., Melgar, A., Silvestre, T., Wasson, D. E., Cueva, S. F., Werner, J., Takagi, T., Miura, M. & Hristov, A. N., Jan 2022, In: Journal of dairy science. 105, 1, p. 170-187 18 p.

Research output: Contribution to journalArticlepeer-review

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

Räisänen, S. E., Zhu, X., Zhou, C., Lage, C. F. A., Fetter, M., Silvestre, T., Stefenoni, H., Wasson, D. E., Cueva, S. F., Eun, J. S., Moon, J. O., Park, J. S. & Hristov, A. N., Jan 2022, In: Journal of dairy science. 105, 1, p. 313-328 16 p.

Research output: Contribution to journalArticlepeer-review

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

Silvestre, T., Räisänen, S. E., Cueva, S. F., Wasson, D. E., Lage, C. F. A., Martins, L. F., Wall, E. & Hristov, A. N., Nov 2022, In: Journal of dairy science. 105, 12, p. 9610-9622 13 p.

Research output: Contribution to journalArticlepeer-review

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

Silvestre, T., Fetter, M., Räisänen, S. E., Lage, C. F. A., Stefenoni, H., Melgar, A., Cueva, S. F., Wasson, D. E., Martins, L. F., Karnezos, T. P. & Hristov, A. N., Mar 2022, In: Journal of dairy science. 105, 3, p. 2288-2300 13 p.

Research output: Contribution to journalArticlepeer-review

Symposium review: Development of a funding program to support research on enteric methane mitigation from ruminants

Tricarico, J. M., de Haas, Y., Hristov, A. N., Kebreab, E., Kurt, T., Mitloehner, F. & Pitta, D., Oct 2022, In: Journal of dairy science. 105, 10, p. 8535-8542 8 p.

Research output: Contribution to journalReview articlepeer-review

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

Wang, R., Bai, Z., Chang, J., Li, Q., Hristov, A. N., Smith, P., Yin, Y., Tan, Z. & Wang, M., Mar 29 2022, In: The Innovation. 3, 2, 100220.

Research output: Contribution to journalReview articlepeer-review