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

по Kananub, Suppada, VanLeeuwen, John A., Arunvipas, Pipat
Опубликовано в: 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

по Dohoo, Carolyn, Guernsey, Judith Read, Critchley, Kimberley, VanLeeuwen, John
Опубликовано 2012

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

по Waltner-Toews, David, Stiles, Enid, VanLeeuwen, John, Fraser, Erin
Опубликовано в: 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...

по VanLeeuwen, John A., Forsythe, LeeAnn, Tiwari, Ashwani, Chartier, Renee
Опубликовано 2005

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

по Kananub, Suppada, Jawjaroensri, Wassana, VanLeeuwen, John, Stryhn, Henrik, Arunvipas, Pipat
Опубликовано в: 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...

по VanLeeuwen, John A., Tiwari, Ashwani, Plaizier, Jan C., Whiting, Terry L.
Опубликовано 2006

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

по Ashley-Martin, Jillian, VanLeeuwen, John, Cribb, Alastair, Andreou, Pantelis, Guernsey, Judith Read
Опубликовано 2012

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

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

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

по Kathambi, Emily. K., Van Leeuwen, John A., Gitau, George K., McKenna, Shawn L.
Опубликовано в: 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...

по Okumu, Tequiero Abuom, John, Njenga Munene, Wabacha, James K., Tsuma, Victor, VanLeeuwen, John
Опубликовано в: BMC Vet Res (2019)

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

по Kulkarni, Veerdhawal, Awad, John, Medlock, Adam, Monis, Paul, Lau, Melody, Drigo, Barbara, van Leeuwen, John
Опубликовано в: MethodsX (2018)

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

по Vallejo-Timarán, Darío, Reyes-Vélez, Julián, VanLeeuwen, John, Maldonado-Estrada, Juan, Astaiza-Martínez, Juan
Опубликовано в: Heliyon (2020)

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

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

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

по Richards, Shauna, VanLeeuwen, John, Shepelo, Getrude, Gitau, George Karuoya, Kamunde, Collins, Uehlinger, Fabienne, Wichtel, Jeff
Опубликовано в: Vet World (2015)

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

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

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

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

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

по Ratanapob, Niorn, VanLeeuwen, John, McKenna, Shawn, Wichtel, Maureen, Rodriguez-Lecompte, Juan C., Menzies, Paula, Wichtel, Jeffrey
Опубликовано в: J Vet Diagn Invest (2018)

The selenium status of dairy herds in Prince Edward Island

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

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

по Scott, H. Morgan, Sorensen, Ole, Wu, John T.Y., Chow, Eva Y.W., Manninen, Ken, VanLeeuwen, John A.
Опубликовано 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

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