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Title: Human & animal health implications of elevated nitrate intake
Source: Workshop on Nitrate-Agricultural Sources and Fate in the Environment - perspectives and direction
Date: 1998
Author: VanLeeuwen, John A.
Genre: Conference Proceedings
Start Page: 13

Title: Seropositivity for agents causing neosporosis, bovine viral diarrhea, enzootic bovine leukemia, and Johne's Disease and their relationships with increased calving to conception interval in Canadian dairy cows
Source: WBC
Date: 2004
Author: Haddad, J. P.; Dohoo, Ian R.; VanLeeuwen, John A.; Tiwari, A.; Keefe, Gregory P.
Genre: Conference Proceedings
Start Page: 74

Title: Sensory evaluation and factors associated with transmitted flavours in milk in PEI dairy herds
Source: Annual Meeting of the CAVEPM
Date: 2002
Author: Mounchili, Aboubakar; Wichtel, Jeffrey; Halliday, L.; Dohoo, Ian R.; Keefe, Gregory P.; VanLeeuwen, John A.; Gottschall-Pass, Katherine T.
Genre: Conference Proceedings

Title: Johne's disease in Canada part I
Subtitle: clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds
Source: The Canadian Veterinary Journal. La Revue Veterinaire Canadienne
Date: 2006
Author: Tiwari, A.; VanLeeuwen, John A.; McKenna, Shawn L.; Keefe, Gregory P.; Barkema, H. W.
Genre: Journal Article
Abstract: Recent international developments in the area of infectious disease control and nontariff trade barriers, along with possible zoonotic concerns,...
Volume: 47
Issue: 9
Start Page: 874

Title: Associations between atrazine and nitrate contamination levels in drinking water and cancer and birth defect rates in Ontario, Canada for the 19897-1991
Source: Southern Gulf of St. Lawrence Environmental Workshop
Date: 1997
Author: VanLeeuwen, John A.; Waltner-Toews, D.; Shoukri, M.; Abernathy, T.; Smit, B.
Genre: Conference Proceedings

Title: Effects of seropositivity for BLV, MAP, and NC on calving to conception interval in Maritime Canadian dairy cattle
Source: ISVEE
Date: 2003
Author: Haddad, J. P.; Dohoo, Ian R.; VanLeeuwen, John A.; Tiwari, A.; Stryhn, Henrik E.; Keefe, Gregory P.
Genre: Conference Proceedings

Title: Cow, farm, and ecologic risk factors of clinical vesicular stomatitis on Costa Rican dairy farms
Source: The American Journal of Tropical Medicine and Hygiene
Date: 1995
Author: VanLeeuwen, John A.; Rodriguez, L. L.; Waltner-Toews, D.
Genre: Journal Article
Abstract: Twenty-two Costa Rican dairy herds were actively monitored for vesicular diseases between November 1991 and March 1992, in anticipation of the...
Volume: 53
Issue: 4
Start Page: 342

Title: Relationships among MUN, dietary nutrients & fecal nitrogen loss on dairy farms
Source: WBC
Date: 2004
Author: Arunvipas, P.; VanLeeuwen, John A.; Dohoo, Ian R.; Keefe, Gregory P.; Burton, Shelley A.; Lissemore, K. D.
Genre: Conference Proceedings
Start Page: 89

Title: Strategies to effectively manage contaminated rural water supplies
Source: Proceedings of the meeting
Date: 2004
Author: Duke, G.; Byrne, J.; Kienzel, S.; Johnson, D.; VanLeeuwen, John A.; Graham, T.; Gannon, V. P. J.; Selinger, B.; Thomas, J. E.
Genre: Conference Proceedings

Title: Spatial analysis of land use impact on ground water nitrate concentrations
Source: Journal of Environmental Quality
Date: 2006
Author: Benson, V. S.; VanLeeuwen, John A.; Sanchez, J.; Dohoo, Ian R.; Somers, G. H.
Genre: Journal Article
Abstract: In spatial analyses of causes or health effects of environmental pollutants, small units of analyses are usually preferred for internal...
Volume: 35
Issue: 2
Start Page: 421
DOI: 10.2134/jeq2005.0115