Salt poisoning in beef cattle on coastal pasture on Prince Edward Island.

ανά Van Leeuwen, J A
Έκδοση 1999

A survey of demographics and information demands of dairy producers.

ανά VanLeeuwen, J A, Keefe, G P
Έκδοση 2001

Neospora then and now: prevalence of Neospora caninum in Maritime Canada in 1979, 1989, and 1998.

ανά Keefe, G P, VanLeeuwen, J A
Έκδοση 2000

Evaluation of the reliability and repeatability of automated milk urea nitrogen testing

ανά Arunvipas, P., VanLeeuwen, J. A., Dohoo, I. R., Keefe, G. P.
Έκδοση 2003

Bulk tank milk urea nitrogen: Seasonal patterns and relationship to individual cow milk urea nitrogen values

ανά Arunvipas, P., VanLeeuwen, J.A., Dohoo, I.R., Keefe, G.P.
Έκδοση 2004

Risk factors associated with cows’ lying time, stall and cows’ own cleanliness in smallholder dairy farms in Kenya

ανά Kathambi, E. K., VanLeeuwen, J. A., Gitau, G. K., Kamunde, C.
Τόπος έκδοσης Vet World (2019)

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

ανά VanLeeuwen, J A, Keefe, G P, Tremblay, R, Power, C, Wichtel, J J
Έκδοση 2001

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

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