1943•Journal of Animal ScienceRequires access

Comparative Lengths of the Gestation Periods of Aberdeen-Angus and Hereford Cows Carrying Purebred and Crossbred Calves

David C. Rife, Paul Gerlaugh, L. E. Kunkle, G.W. Brandt, Laurence H. Snyder

Abstract

Hereford dams with Hereford calves in utero showed an average gestation period of 289 days. Aberdeen-Angus dams with Aberdeen-Angus calves showed an average gestation period of 272.8 days. Dams with crossbred calves, regardless of which way the cross was made, showed an average gestation period of 281.4 days.

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Key concepts: Purebred, Crossbreed, Gestation, Animal science, Gestation period, Biology, Breed, Veterinary medicine