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pro vyhledávání: '"Shawn Lb McKenna"'
Autor:
Hannah B Spitzer, Rebecca K Meagher, M Lynne O’Sullivan, William Montelpare, Miriam B Gordon, Shawn LB McKenna, Kathryn L Proudfoot
Publikováno v:
Animal Welfare, Vol 33 (2024)
In natural settings, newborn calves hide for several days before joining the herd. It is unclear whether dairy calves housed indoors would show similar hiding behaviour. This study aimed to describe the use of an artificial hide provided to calves du
Externí odkaz:
https://doaj.org/article/1e6429d1b99149fe92579312d96f24a3
Autor:
J. Muraya, M. Bronwyn Crane, John A. VanLeeuwen, George K. Gitau, Jeff J. Wichtel, Dennis N. Makau, Shawn Lb McKenna
Publikováno v:
East African Journal of Science, Technology and Innovation. 2
This field trial tested the hypothesis that providing Kenyan smallholder dairy farmers with training and resources can enhance cows’ cyclicity and conception using conventional or sexed semen. One hundred farmers were randomly selected and randomly
Autor:
John A. VanLeeuwen, Shawn Lb McKenna, George K. Gitau, J. Muraya, Dennis N. Makau, Jeffrey Wichtel, C. Walton
Publikováno v:
Journal of Development and Agricultural Economics. 11:234-246
An agroforestry land use system aimed at improving the productivity of smallholder dairy farms using Calliandra calothyrsus and Sesbania sesban shrubs as feed supplements was introduced to semi-commercial SDFs in Meru, Kenya, as part of a field trial