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Animal Science Database

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Abstract

Data on 639 lambs, collected at the Roman L. Hruska US Meat Animal Research Center, Clay Center, Nebraska, in 1973 and 1974, were used to compare the Border Leicester (BL) and the Finnish Landrace (FL) as sire breeds. Traits studied were preweaning survival rate, preweaning and postweaning growth...

Author(s)
Magid, A. F.; Swanson, V. B.; Brinks, J. S.; Dickerson, G. E.; Smith, G. M.
Citation
Journal of Animal Science, 1981, 52, 6, pp 1253-1261
Abstract

Gestation length, calving difficulty, perinatal mortality, calf crop weaned, birth weight, preweaning av. daily gain, relative growth rate and 200-day weight were studied in 1591 calves born and 1494 calves weaned in 1973 and 1974 from 4- to 9-yr-old Hereford and Aberdeen-Angus (AA) cows and sired...

Author(s)
Gregory, K. E.; Cundiff, L. V.; Smith, G. M.; Laster, D. B.; Fitzhugh, H. A., Jr.
Citation
Journal of Animal Science, 1978, 47, 5, pp 1022-1030
Abstract

Preweaning growth and body weight at 120 and 200 days were studied in the progeny of 564 two-yr-old and 569 three-yr-old crossbred cows produced by mating Hereford, Aberdeen-Angus (AA), Jersey, South Devon (SD), Simmental, Limousin and Charolais bulls to Hereford and AA cows. Two-yr-olds produced...

Author(s)
Notter, D. R.; Cundiff, L. V.; Smith, G. M.; Laster, D. B.; Gregory, K. E.
Citation
Journal of Animal Science, 1978, 46, 4, pp 908-921
Abstract

Data on 3535 purebred lambs of 7 breeds and 3178 crossbred lambs were analysed to determine what attention should be given to dystocia and lamb survival in selection programmes for terminal sire breeds. Both dystocia and lamb mortality were quadratically related (P<0.01) to birth weight. The...

Author(s)
Smith, G. M.
Citation
Journal of Animal Science, 1977, 44, 5, pp 745-753
Abstract

Data on gestation length, incidence of dystocia, birth weight and mortality to weaning are tabulated for the 2368 progeny of Hereford, Aberdeen-Angus (AA), Jersey, South Devon, Limousin, Charolais and Simmental bulls mated with Hereford and AA dams. Calves sired by Charolais and Simmentals were...

Author(s)
Smith, G. M.
Publisher
Meat Animal Research Center., Nebraska, USA
Citation
Evaluating germ plasm for beef production, Cycle 1. Progress report No. 3., 1976, pp 1-5
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

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