An investigation of the causes of parturient calf mortality in Shorthorn heifers [dystocia; beef cows]
1989
Harper, P.A. (New South Wales Agriculture and Fisheries, Glenfield (Australia). Veterinary Research Station) | Gee, C.D. (New South Wales Pastures Protection Board) | Gaden, E.R. (New South Wales Agriculture and Fisheries, Goulburn (Australia). Veterinary Office)
In a herd of 250 cattle, death rates as high as 44 percent were recorded from heifer groups; 27 of 30 parturient deaths were due to maternal dystocia. Significantly more male than female calves died of this cause. A trial using parenteral iodine established that goitre was not a contributing factor. The use of a Jersey bull for heifer matings eliminated the dystocia problem.
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