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

Feed additives for methane mitigation: Recommendations for identification and selection of bioactive compounds to develop antimethanogenic feed additives

Durmic, Z., Duin, E. C., Bannink, A., Belanche, A., Carbone, V., Carro, M. D., Crüsemann, M., Fievez, V., Garcia, F., Hristov, A., Joch, M., Martinez-Fernandez, G., Muetzel, S., Ungerfeld, E. M., Wang, M. & Yáñez-Ruiz, D. R., Jan 2025, In: Journal of dairy science. 108, 1, p. 302-321 20 p.

Research output: Contribution to journalArticlepeer-review

Feed additives for methane mitigation: Recommendations for testing enteric methane-mitigating feed additives in ruminant studies

Hristov, A. N., Bannink, A., Battelli, M., Belanche, A., Cajarville Sanz, M. C., Fernandez-Turren, G., Garcia, F., Jonker, A., Kenny, D. A., Lind, V., Meale, S. J., Meo Zilio, D., Muñoz, C., Pacheco, D., Peiren, N., Ramin, M., Rapetti, L., Schwarm, A., Stergiadis, S. & Theodoridou, K. & 5 others, Ungerfeld, E. M., van Gastelen, S., Yáñez-Ruiz, D. R., Waters, S. M. & Lund, P., Jan 2025, In: Journal of dairy science. 108, 1, p. 322-355 34 p.

Research output: Contribution to journalArticlepeer-review

Perspective: Enteric methane mitigation and its impact on livestock hydrogen emissions

Hristov, A. N. & Solomon, S., Jan 2025, In: Journal of dairy science. 108, 1, p. 1-5 5 p.

Research output: Contribution to journalEditorialpeer-review

Lactational performance effects of 3-nitrooxypropanol supplementation to dairy cows: A meta-regression

Martins, L. F., Maigaard, M., Johansen, M., Lund, P., Ma, X., Niu, M. & Hristov, A. N., Feb 2025, In: Journal of dairy science. 108, 2, p. 1538-1553 16 p.

Research output: Contribution to journalArticlepeer-review

Bioavailability of rumen-protected histidine, lysine, and methionine assessed using different in vivo methods

Räisänen, S. E., Wasson, D. E., Cueva, S. F., Silvestre, T. & Hristov, A. N., Jan 2025, In: Journal of dairy science. 108, 1, p. 538-552 15 p.

Research output: Contribution to journalArticlepeer-review

Alterations of rumen and fecal microbiome in growing beef and dairy steers fed rumen-protected Capsicum oleoresin

Bierly, S. A., Van Syoc, E. P., Westphalen, M. F., Miles, A. M., Gaeta, N. C., Felix, T. L., Hristov, A. N. & Ganda, E. K., 2024, In: Journal of animal science. 102, skae014.

Research output: Contribution to journalArticlepeer-review

Lactational performance, ruminal fermentation, and enteric gas emission of dairy cows fed an amylase-enabled corn silage in diets with different starch concentrations

Cueva, S. F., Wasson, D. E., Martins, L. F., Räisänen, S. E., Silvestre, T. & Hristov, A. N., Jul 2024, In: Journal of dairy science. 107, 7, p. 4426-4448 23 p.

Research output: Contribution to journalArticlepeer-review

A global dataset of enteric methane mitigation experiments with beef cattle conducted from 1963 to 2023

de Ondarza, M. B., Hristov, A. N. & Tricarico, J. M., Aug 2024, In: Data in Brief. 55, 110666.

Research output: Contribution to journalArticlepeer-review

Invited review: Advances in nutrition and feed additives to mitigate enteric methane emissions

Hristov, A. N., Jul 2024, In: Journal of dairy science. 107, 7, p. 4129-4146 18 p.

Research output: Contribution to journalReview articlepeer-review

Microbiome-informed study of the mechanistic basis of methane inhibition by Asparagopsis taxiformis in dairy cattle

Indugu, N., Narayan, K., Stefenoni, H. A., Hennessy, M. L., Vecchiarelli, B., Bender, J. S., Shah, R., Dai, G., Garapati, S., Yarish, C., Welchez, S. C., Räisänen, S. E., Wasson, D., Lage, C., Melgar, A., Hristov, A. N. & Pitta, D. W., Aug 1 2024, In: mBio. 15, 8, e00782-24.

Research output: Contribution to journalArticlepeer-review

Predicting CO2 production of lactating dairy cows from animal, dietary, and production traits using an international dataset

Kjeldsen, M. H., Johansen, M., Weisbjerg, M. R., Hellwing, A. L. F., Bannink, A., Colombini, S., Crompton, L., Dijkstra, J., Eugène, M., Guinguina, A., Hristov, A. N., Huhtanen, P., Jonker, A., Kreuzer, M., Kuhla, B., Martin, C., Moate, P. J., Niu, P., Peiren, N. & Reynolds, C. & 2 others, Williams, S. R. O. & Lund, P., Sep 2024, In: Journal of dairy science. 107, 9, p. 6771-6784 14 p.

Research output: Contribution to journalArticlepeer-review

A meta-analysis of methane-mitigation potential of feed additives evaluated in vitro

Martins, L. F., Cueva, S. F., Lage, C. F. A., Ramin, M., Silvestre, T., Tricarico, J. & Hristov, A. N., Jan 2024, In: Journal of dairy science. 107, 1, p. 288-300 13 p.

Research output: Contribution to journalArticlepeer-review

Effects of calcium and buffer sources on lactational performance, ruminal fermentation, nutrient digestibility, and metabolism of dairy cows

Martins, L. F., Welter, K. C., Wasson, D. E., Cueva, S. F., Stepanchenko, N., Dowd, J. S., Hart, J. R. & Hristov, A. N., Dec 2024, In: Journal of dairy science. 107, 12, p. 10680-10694 15 p.

Research output: Contribution to journalArticlepeer-review

Effects of dose, dietary nutrient composition, and supplementation period on the efficacy of methane mitigation strategies in dairy cows: A meta-analysis

Martins, L. F., Cueva, S. F., Wasson, D. E., Almeida, C. V., Eifert, C., de Ondarza, M. B., Tricarico, J. M. & Hristov, A. N., Nov 2024, In: Journal of dairy science. 107, 11, p. 9289-9308 20 p.

Research output: Contribution to journalArticlepeer-review

Lactational performance, enteric methane emission, and nutrient utilization of dairy cows supplemented with botanicals

Martins, L. F., Cueva, S. F., Silvestre, T., Stepanchenko, N., Wasson, D. E., Wall, E. & Hristov, A. N., Jan 2024, In: Journal of dairy science. 107, 1, p. 242-257 16 p.

Research output: Contribution to journalArticlepeer-review