Disease trends in domestic animals and poultry in Ontario 1971-72.
D000820:Animal Diseases / Q000453:epidemiology*; D000818:Animals; D000829:Animals, Domestic; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology; D006041:Goats; D006734:Horse Diseases / Q000453:epidemiology; D006736:Horses; D009864:Ontario; D011200:Poultry; D011201:Poultry Diseases / Q000453:epidemiology; D012756:Sheep; D012757:Sheep Diseases; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology