John VanLeeuwen

Johne's disease in Canada Part I: clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds.

Ashwani Tiwari, John VanLeeuwen, Shawn McKenna et al. · PubMed · 2006 · 231 citations

Dairy Herds, Clinical Symptoms, Diagnosis +19

Direct production losses and treatment costs from bovine viral diarrhoea virus, bovine leukosis virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum

Junwook Chi, John VanLeeuwen, Alfons Weersink et al. · Preventive Veterinary Medicine · 2002 · 211 citations

Animal Science, Veterinary Science, Animal Health Economics +13

Johne's disease in Canada part II: disease impacts, risk factors, and control programs for dairy producers.

Shawn McKenna, Greg Keefe, Ashwani Tiwari et al. · PubMed · 2006 · 171 citations

Nutrition, Canada Part Ii, Critical Review +19

Lifetime effects of infection with bovine leukemia virus on longevity and milk production of dairy cows

Omid Nekouei, John VanLeeuwen, Henrik Stryhn et al. · Preventive Veterinary Medicine · 2016 · 106 citations

Dairy Cows, Animal Science, Medicine +12

Anthelmintic resistance in sheep flocks in Ontario, Canada

Laura C. Falzon, Paula Menzies, K.P. Shakya et al. · Veterinary Parasitology · 2012 · 99 citations

Animal Science, Zoonotic Disease, Veterinary Science +3