Alexander Hristov
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
Invited review: Perspectives on nitrogen in dairy cattle nutrition
Hristov, A. N., Huhtanen, P., van Duinkerken, G. & Pacheco, D., Mar 2026, In: Journal of dairy science. 109, 3, p. 2074-2107 34 p.Research output: Contribution to journal › Review article › peer-review
Graduate Student Literature Review: Rethinking concentrate feeding strategies for precision nutrition in lactating dairy cattle
Martins, L. F. & Hristov, A. N., Mar 2026, In: Journal of dairy science. 109, 3, p. 2331-2343 13 p.Research output: Contribution to journal › Review article › peer-review
Effects of the macroalga Laurencia snackeyi on enteric methane emission and lactational performance in dairy cows
Wasson, D. E., Almeida, C., Cueva, S. F., Martins, L. F., Richards, A., Stepanchenko, N., Schmidt, W. E., Fredericq, S. & Hristov, A. N., Mar 2026, In: Journal of dairy science. 109, 3, p. 2514-2526 13 p.Research output: Contribution to journal › Article › peer-review
The macroalga Asparagopsis taxiformis decreases dry matter intake and milk production in dairy cows
Wasson, D. E., Stefenoni, H., Cueva, S. F., Brown, M., Melgar, A., Räisänen, S. E., Silvestre, T., Yarish, C. & Hristov, A. N., Apr 2026, In: Journal of dairy science. 109, 4, p. 3914-3927 14 p.Research output: Contribution to journal › Article › peer-review
Effect of increasing dietary fat by feeding 15% whole cottonseed on milk production, total-tract digestibility, and methane emission in dairy cows
Adeniji, Y. A., Bomberger, R., Goodall, S. R., Hristov, A. N., Stefenoni, H. A. & Harvatine, K. J., Mar 2025, In: Journal of dairy science. 108, 3, p. 2393-2406 14 p.Research output: Contribution to journal › Article › peer-review
Corrigendum to “Lactational performance of dairy cows fed diets based on corn silages varying in ruminal degradability of starch and fiber” (J. Dairy Sci. 108:5765–5785) (Journal of Dairy Science (2025) 108(6) (5765–5785), (S0022030225003455), (10.3168/jds.2024-25867))
Cueva, S. F., Martins, L. F., Stepanchenko, N., Wasson, D. E., Roth, G. W. & Hristov, A. N., Oct 2025, In: Journal of dairy science. 108, 10, p. 11707-11708 2 p.Research output: Contribution to journal › Comment/debate › peer-review
Effects of replacing canola meal with extruded soybean meals on lactational performance and enteric gas emissions in dairy cows
Cueva, S. F., Martins, L. F., Wasson, D. E., Stepanchenko, N., Kniffen, D. M., Fabin, R. A. & Hristov, A. N., Jul 2025, In: Journal of dairy science. 108, 7, p. 7127-7143 17 p.Research output: Contribution to journal › Article › peer-review
Lactational performance of dairy cows fed diets based on corn silages varying in ruminal degradability of starch and fiber
Cueva, S. F., Martins, L. F., Stepanchenko, N., Wasson, D. E., Roth, G. W. & Hristov, A. N., Jun 2025, In: Journal of dairy science. 108, 6, p. 5765-5785 21 p.Research output: Contribution to journal › Article › peer-review
Global inventory of doubly substituted isotopologues of methane (Δ13CH3D and Δ12CH2D2)
Defratyka, S. M., Fernandez, J. M., Adnew, G. A., Dong, G., Douglas, P. M. J., Eldridge, D. L., Etiope, G., Giunta, T., Haghnegahdar, M. A., Hristov, A. N., Hultquist, N., Vadillo, I., Jautzy, J., Kim, J. H., Labidi, J., Lalk, E., Leavitt, W., Li, J., Lin, L. H. & Liu, J. & 12 others, , Dec 8 2025, In: Earth System Science Data. 17, 12, p. 6889-6910 22 p.Research output: Contribution to journal › Article › peer-review
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 journal › Article › peer-review
Corrigendum to “Symposium review: Effective nutritional strategies to mitigate enteric methane in dairy cattle” (J. Dairy Sci. 105:8543–8557) (Journal of Dairy Science (2022) 105(10) (8543–8557), (S0022030222003927), (10.3168/jds.2021-21398))
Hristov, A. N., Melgar, A., Wasson, D. & Arndt, C., Apr 2025, In: Journal of dairy science. 108, 4, p. 4478 1 p.Research output: Contribution to journal › Comment/debate › peer-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, , Jan 2025, In: Journal of dairy science. 108, 1, p. 322-355 34 p.Research output: Contribution to journal › Article › peer-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 journal › Editorial › peer-review
Evaluation of ruminal outflow of protein and nitrogen fractions, and total and individual essential amino acid predictions, by nutritional models in dairy cattle
Martins, L. F., Almeida, C. V., Kim, Y., Patton, R. A. & Hristov, A. N., Oct 2025, In: Journal of dairy science. 108, 10, p. 10900-10920 21 p.Research output: Contribution to journal › Article › peer-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 journal › Article › peer-review
