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

 These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.

Projects

Recent Publications

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

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

Prediction of enteric methane emissions by sheep using an intercontinental database

Belanche, A., Hristov, A. N., van Lingen, H. J., Denman, S. E., Kebreab, E., Schwarm, A., Kreuzer, M., Niu, M., Eugène, M., Niderkorn, V., Martin, C., Archimède, H., McGee, M., Reynolds, C. K., Crompton, L. A., Bayat, A. R., Yu, Z., Bannink, A., Dijkstra, J., Chaves, A. V., & 22 othersClark, H., Muetzel, S., Lind, V., Moorby, J. M., Rooke, J. A., Aubry, A., Antezana, W., Wang, M., Hegarty, R., Hutton Oddy, V., Hill, J., Vercoe, P. E., Savian, J. V., Abdalla, A. L., Soltan, Y. A., Gomes Monteiro, A. L., Ku-Vera, J. C., Jaurena, G., Gómez-Bravo, C. A., Mayorga, O. L., Congio, G. F. S. & Yáñez-Ruiz, D. R., Jan 15 2023, In: Journal of Cleaner Production. 384, 135523.

Research output: Contribution to journalArticlepeer-review

NUTRIENT FATE IN THE FULL MANURE PHOSPHORUS EXTRACTION (MAPHEX) SYSTEM, AND DESIGN OF A SIMPLIFIED SYSTEM (MAPHEX LITE)

Church, C., Hristov, A. N., Kleinman, P. J. A., Fishel, S. K., Reiner, M. R. & Bryant, R. B., 2023, In: Applied Engineering in Agriculture. 39, 3, p. 339-346 8 p.

Research output: Contribution to journalArticlepeer-review

Improving the accuracy of beef cattle methane inventories in Latin America and Caribbean countries

Congio, G. F. S., Bannink, A., Mayorga, O. L., Rodrigues, J. P. P., Bougouin, A., Kebreab, E., Carvalho, P. C. F., Berchielli, T. T., Mercadante, M. E. Z., Valadares-Filho, S. C., Borges, A. L. C. C., Berndt, A., Rodrigues, P. H. M., Ku-Vera, J. C., Molina-Botero, I. C., Arango, J., Reis, R. A., Posada-Ochoa, S. L., Tomich, T. R., Castelán-Ortega, O. A., & 11 othersMarcondes, M. I., Gómez, C., Ribeiro-Filho, H. M. N., Gere, J. I., Ariza-Nieto, C., Giraldo, L. A., Gonda, H., Cerón-Cucchi, M. E., Hernández, O., Ricci, P. & Hristov, A. N., Jan 15 2023, In: Science of the Total Environment. 856, 159128.

Research output: Contribution to journalArticlepeer-review

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

Cueva, S. F., Harper, M., Roth, G. W., Wells, H., Canale, C., Gallo, A., Masoero, F. & Hristov, A. N., Jun 2023, In: Journal of dairy science. 106, 6, p. 3961-3974 14 p.

Research output: Contribution to journalArticlepeer-review

Production effects of extruded soybean meal replacing canola meal in the diet of lactating dairy cows

Cueva, S. F., Räisänen, S. E., Wasson, D. E., Lage, C. F. A., Silvestre, T., Kniffen, D. M., Fabin, R. A. & Hristov, A. N., Sep 2023, In: Journal of dairy science. 106, 9, p. 6198-6215 18 p.

Research output: Contribution to journalArticlepeer-review

A global dataset of enteric methane mitigation experiments with lactating and non-lactating dairy cows conducted from 1963 to 2022

de Ondarza, M. B., Hristov, A. N. & Tricarico, J. M., Aug 2023, In: Data in Brief. 49, 109459.

Research output: Contribution to journalArticlepeer-review

Erratum: Discrepancies and Uncertainties in Bottom-up Gridded Inventories of Livestock Methane Emissions for the Contiguous United States (Environmental Science and Technology (2017) 51:23 (13668-13677) DOI: 10.1021/acs.est.7b03332)

Hristov, A. N., Harper, M., Meinen, R., Day, R., Lopes, J., Ott, T., Venkatesh, A. & Randles, C. A., Feb 28 2023, In: Environmental Science and Technology. 57, 8, p. 3455 1 p.

Research output: Contribution to journalComment/debatepeer-review

Perspective: Could dairy cow nutrition meaningfully reduce the carbon footprint of milk production?

Hristov, A. N., Nov 2023, In: Journal of dairy science. 106, 11, p. 7336-7340 5 p.

Research output: Contribution to journalArticlepeer-review

Effects of phytonutrients and yeast culture supplementation on lactational performance and nutrient use efficiency in dairy cows

Martins, L. F., Oh, J., Melgar, A., Harper, M., Wall, E. W. & Hristov, A. N., Mar 2023, In: Journal of dairy science. 106, 3, p. 1746-1756 11 p.

Research output: Contribution to journalArticlepeer-review

Lactational performance effects of supplemental histidine in dairy cows: A meta-analysis

Räisänen, S. E., Lapierre, H., Price, W. J. & Hristov, A. N., Sep 2023, In: Journal of dairy science. 106, 9, p. 6216-6231 16 p.

Research output: Contribution to journalArticlepeer-review

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

Silvestre, T., Martins, L. F., Cueva, S. F., Wasson, D. E., Stepanchenko, N., Räisänen, S. E., Sommai, S., Hile, M. L. & Hristov, A. N., Nov 2023, In: Journal of dairy science. 106, 11, p. 7661-7674 14 p.

Research output: Contribution to journalArticlepeer-review

Microbial composition, rumen fermentation parameters, enteric methane emissions, and lactational performance of phenotypically high and low methane-emitting dairy cows

Stepanchenko, N., Stefenoni, H., Hennessy, M., Nagaraju, I., Wasson, D. E., Cueva, S. F., Räisänen, S. E., Dechow, C. D., Pitta, D. W. & Hristov, A. N., Sep 2023, In: Journal of dairy science. 106, 9, p. 6146-6170 25 p.

Research output: Contribution to journalArticlepeer-review

Screening macroalgae for mitigation of enteric methane in vitro

Wasson, D. E., Stefenoni, H., Cueva, S. F., Lage, C., Räisänen, S. E., Melgar, A., Fetter, M., Hennessy, M., Narayan, K., Indugu, N., Pitta, D., Yarish, C. & Hristov, A. N., Dec 2023, In: Scientific reports. 13, 1, 9835.

Research output: Contribution to journalArticlepeer-review