Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Courtney Spencer"'
Autor:
Ken G. Drouillard, Bernhard Mayer, Scott O. C. Mundle, Courtney Spencer, Alice Grgicak-Mannion, Timothy J. Maguire
Publikováno v:
Science of The Total Environment. 681:1-8
Water quality impacts to the Laurentian Great Lakes create bi-national issues that have been subject of investigation since the 1970s. However, distinguishing upgradient sources of nutrients, metals and legacy contaminants in rivers remains a challen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6184dc1672f509afaf9ba49dc6ed603e
https://doi.org/10.1016/j.scitotenv.2019.04.311
https://doi.org/10.1016/j.scitotenv.2019.04.311
Autor:
Aksel Wiseman, David L. Lalman, Miles Redden, Adam McGee, Gerald W. Horn, Ryan R Reuter, Courtney Spencer
Publikováno v:
Journal of Animal Science. 97:1198-1211
Early weaning is used to minimize cow nutrient requirements in situations where feed inputs are scarce or expensive. For many years, maintenance energy requirements have been assumed to be 20% greater in lactating compared with non-lactating beef cow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75e4f56642a91f02dcbe2372c0df90fa
https://doi.org/10.1093/jas/skz019
https://doi.org/10.1093/jas/skz019