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Incidence of different types of calving in Friesian-Sahiwal crossbreds



Incidence of different types of calving in Friesian-Sahiwal crossbreds



Cheiron 22(2): 61-65



Data on 9475 calvings in 1986-91 of Friesian x Sahiwal cows with >50 or <50% Friesian inheritance (groups 1 and 2) in 4 herds were analysed. The incidence of normal calvings was 89.26% (88.09 and 91.29% respectively in groups 1 and 2), and ranged from 87.72% in July-Aug. to 90.57% in Oct.-Nov., from 84.42% in 1990-91 to 91.91% in 1987-88, and from 81.52 to 93.35% in the different herds.

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