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RISK FACTORS ASSOCIATED WITH ABORTION AND CALF PREWEANING MORTALITY IN A BEEF CATTLE SYSTEM IN SOUTHEASTERN MEXICO
2018
Tropical and Subtropical Agroecosystems
Data from 2438 calvings born to 682 cows recorded from 2004 to 2015 in an extensive production system were used, to investigate factors associated with abortion and calf mortality until weaning. Cows belonged to Brahman, Nellore, Guzerat and Brown Swiss x Zebu breed groups. Data were analyzed using binary logistic regression, and the statistical model included the effects of year and season of calving (or abortion), parity number, breed group of the cow and sex (only for preweaning mortality).
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