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

Tekijä Van Leeuwen, J A
Julkaistu 1999

A survey of demographics and information demands of dairy producers.

Tekijä VanLeeuwen, J A, Keefe, G P
Julkaistu 2001

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

Tekijä Keefe, G P, VanLeeuwen, J A
Julkaistu 2000

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

Tekijä Arunvipas, P., VanLeeuwen, J. A., Dohoo, I. R., Keefe, G. P.
Julkaistu 2003

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

Tekijä Arunvipas, P., VanLeeuwen, J.A., Dohoo, I.R., Keefe, G.P.
Julkaistu 2004

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

Tekijä Kathambi, E. K., VanLeeuwen, J. A., Gitau, G. K., Kamunde, C.
Julkaisussa Vet World (2019)

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

Tekijä VanLeeuwen, J A, Keefe, G P, Tremblay, R, Power, C, Wichtel, J J
Julkaistu 2001

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

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