Association between milk urea nitrogen and first service conception in smallholder dairy farms under heat and humidity stress

Autor Kananub, Suppada, VanLeeuwen, John A., Arunvipas, Pipat
Vydáno v Vet World (2018)

Pilot Study on the Impact of Biogas as a Fuel Source on Respiratory Health of Women on Rural Kenyan Smallholder Dairy Farms

Autor Dohoo, Carolyn, Guernsey, Judith Read, Critchley, Kimberley, VanLeeuwen, John
Vydáno 2012

Veterinarians without Borders/Vétérinaires sans frontières-Canada — The first 10 years (2005–2015)

Autor Waltner-Toews, David, Stiles, Enid, VanLeeuwen, John, Fraser, Erin
Vydáno v Can Vet J (2015)

Seroprevalence of antibodies against bovine leukemia virus, bovine viral diarrhea virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum in dairy cattle in Sa...

Autor VanLeeuwen, John A., Forsythe, LeeAnn, Tiwari, Ashwani, Chartier, Renee
Vydáno 2005

Exploring factors associated with bulk tank milk urea nitrogen in Central Thailand

Autor Kananub, Suppada, Jawjaroensri, Wassana, VanLeeuwen, John, Stryhn, Henrik, Arunvipas, Pipat
Vydáno v Vet World (2018)

Seroprevalences of antibodies against bovine leukemia virus, bovine viral diarrhea virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum in beef and dairy ca...

Autor VanLeeuwen, John A., Tiwari, Ashwani, Plaizier, Jan C., Whiting, Terry L.
Vydáno 2006

Breast Cancer Risk, Fungicide Exposure and CYP1A1*2A Gene-Environment Interactions in a Province-Wide Case Control Study in Prince Edward Island, Canada

Autor Ashley-Martin, Jillian, VanLeeuwen, John, Cribb, Alastair, Andreou, Pantelis, Guernsey, Judith Read
Vydáno 2012

Estimate of the direct production losses in Canadian dairy herds with subclinical Mycobacterium avium subspecies paratuberculosis infection

Autor Tiwari, Ashwani, VanLeeuwen, John A., Dohoo, Ian R., Keefe, Greg P., Weersink, Alfons
Vydáno 2008

A cross-sectional study of the welfare of calves raised in smallholder dairy farms in Meru, Kenya, 2017

Autor Kathambi, Emily. K., Van Leeuwen, John A., Gitau, George K., McKenna, Shawn L.
Vydáno v Vet World (2018)

Seroprevalence of antibodies for bovine viral diarrhoea virus, Brucella abortus and Neospora caninum, and their roles in the incidence of abortion/foetal loss in dairy cattle herds...

Autor Okumu, Tequiero Abuom, John, Njenga Munene, Wabacha, James K., Tsuma, Victor, VanLeeuwen, John
Vydáno v BMC Vet Res (2019)

Field based pilot-scale drinking water distribution system: Simulation of long hydraulic retention times and microbiological mediated monochloramine decay

Autor Kulkarni, Veerdhawal, Awad, John, Medlock, Adam, Monis, Paul, Lau, Melody, Drigo, Barbara, van Leeuwen, John
Vydáno v MethodsX (2018)

Incidence and effects of subacute ruminal acidosis and subclinical ketosis with respect to postpartum anestrus in grazing dairy cows

Autor Vallejo-Timarán, Darío, Reyes-Vélez, Julián, VanLeeuwen, John, Maldonado-Estrada, Juan, Astaiza-Martínez, Juan
Vydáno v Heliyon (2020)

Johne’s disease in Canada Part II: Disease impacts, risk factors, and control programs for dairy producers

Autor McKenna, Shawn L.B., Keefe, Greg P., Tiwari, Ashwani, VanLeeuwen, John, Barkema, Herman W.
Vydáno 2006

Associations of farm management practices with annual milk sales on smallholder dairy farms in Kenya

Autor Richards, Shauna, VanLeeuwen, John, Shepelo, Getrude, Gitau, George Karuoya, Kamunde, Collins, Uehlinger, Fabienne, Wichtel, Jeff
Vydáno v Vet World (2015)

Johne’s disease in Canada: Part I: Clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds

Autor Tiwari, Ashwani, VanLeeuwen, John A., McKenna, Shawn L.B., Keefe, Greg P., Barkema, Herman W.
Vydáno 2006

Relationships among milk urea-nitrogen, dietary parameters, and fecal nitrogen in commercial dairy herds

Autor Arunvipas, Pipat, VanLeeuwen, John A., Dohoo, Ian R., Keefe, Greg P., Burton, Shelley A., Lissemore, Kerry D.
Vydáno 2008

Evaluation of the Precision Xtra meter for monitoring blood β-hydroxybutyrate concentrations in late-gestation ewes

Autor Ratanapob, Niorn, VanLeeuwen, John, McKenna, Shawn, Wichtel, Maureen, Rodriguez-Lecompte, Juan C., Menzies, Paula, Wichtel, Jeffrey
Vydáno v J Vet Diagn Invest (2018)

The selenium status of dairy herds in Prince Edward Island

Autor Wichtel, Jeffrey J., Keefe, Gregory P., Van Leeuwen, John A., Spangler, Elizabeth, McNiven, Mary A., Ogilvie, Timothy H.
Vydáno 2004

Seroprevalence of Mycobacterium avium subspecies paratuberculosis, Neospora caninum, Bovine leukemia virus, and Bovine viral diarrhea virus infection among dairy cattle and herds i...

Autor Scott, H. Morgan, Sorensen, Ole, Wu, John T.Y., Chow, Eva Y.W., Manninen, Ken, VanLeeuwen, John A.
Vydáno 2006

A Population-Based Case-Control Study of Drinking-Water Nitrate and Congenital Anomalies Using Geographic Information Systems (GIS) to Develop Individual-Level Exposure Estimates

Autor Holtby, Caitlin E., Guernsey, Judith R., Allen, Alexander C., VanLeeuwen, John A., Allen, Victoria M., Gordon, Robert J.
Vydáno 2014