Evaluation of melengestrol acetate and equine chorionic gonadotropin for out-of-season breeding in sheep on Prince Edward Island.

gan Keefe, G P, Wichtel, J J
Cyhoeddwyd 2000

Seroprevalence of infection with Mycobacterium avium subspecies paratuberculosis, bovine leukemia virus, and bovine viral diarrhea virus in maritime Canada dairy cattle.

gan VanLeeuwen, J A, Keefe, G P, Tremblay, R, Power, C, Wichtel, J J
Cyhoeddwyd 2001

Effects of Calliandra and Sesbania on Daily Milk Production in Dairy Cows on Commercial Smallholder Farms in Kenya

gan Makau, D. N., VanLeeuwen, J. A., Gitau, G. K., McKenna, S. L., Walton, C., Muraya, J., Wichtel, J. J.
Cyhoeddwyd yn Vet Med Int (2020)