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Calf loss in a large intensive beef herd from pregnancy diangosis to weaning



Calf loss in a large intensive beef herd from pregnancy diangosis to weaning



Proceedings of the 13th World Congress on Diseases of Cattle, Durban, South Africa, September 17-21, 1984 Volume 2: 853-858



During 1974-81, 21 097 cows were diagnosed pregnant by rectal examination, of which 93.7% produced a live calf and 89.4% weaned a calf at 210 days post partum. The incidence of twinning, abortions and stillbirths was 1.2, 2.38 and 3.32% resp. For both foetuses, the incidence of dystocia was highest in heifer dams, the effect of parity being highly significant.

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