The relationship between production and infertility in dairy cows.
Simpson
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BH
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000503:physiopathology*; D003612:Dairying / Q000706:statistics & numerical data*; D005260:Female; D007247:Infertility, Female / Q000503:physiopathology / Q000662:veterinary*; D007774:Lactation / Q000502:physiology*; D008892:Milk / Q000502:physiology*; D009520:New Zealand / Q000453:epidemiology; D011247:Pregnancy