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Animal Science Database

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Abstract

Heterosis effects were evaluated as traits of the dam in F2 progeny of F1 dams and F3 and F4 progeny of F2 and F3 dams in 3 composite breed types. Breed effects were evaluated for the 9 parental breeds (Red Poll, Hereford, American Angus, Limousin, Brown Mountain, Pinzgauer, Gelbvieh, Simmental and ...

Author(s)
Gregory, K. E.; Cundiff, L. V.; Koch, R. M.
Citation
Journal of Animal Science, 1991, 69, 9, pp 3574-3589
Abstract

Gestation length, birth weight, dystocia incidence, calf mortality, preweaning growth and 200-day weight were studied in 2368 calves from Hereford and Aberdeen-Angus (AA) cows and sired by Hereford, AA, Jersey, South Devon (SD), Limousin, Charolais and Simmental bulls. Charolais and Simmental...

Author(s)
Smith, G. M.; Laster, D. B.; Gregory, K. E.
Citation
Journal of Animal Science, 1976, 43, 1, pp 27-36