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Louisiana State University, Baton Rouge
Abstract
Preweaning production records of 606 crossbred beef calves (330 steers and 276 heifers) produced by 12 types of singlecross beef cows, 6 sets of reciprocals, were used to determine if reciprocal crossbred cows differed in their producing ability. The cows represented crosses among the Angus, Brahman, Brangus and Hereford breeds. Brangus x Brahman cows excelled their reciprocal, Brahman x Brangus, in producing steers that graded higher for both type and slaughter scores at weaning. Steers from Angus x Brangus cows gained faster than steer progeny of the reciprocal BrangusxAngus cows. Hereford x Brahman cows produced heifer calves that were heavier at weaning and faster gaining than heifers by reciprocal Brahman x Hereford cows. Crossbred cows reared by Brahman and Brangus straightbred cows were generally superior to their reciprocals. However, the differences observed were generally nonsignificant.
1 Published with the approval of the Director of the Louisiana Agricultural Experiment Station. Cooperative with A.R.S., A.H.R.D., U.S.D.A. and the Southern Regional Beef Cattle Breeding Project, S-10.
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