| Direct and maternal genetic effects due to the introduction of Bos taurus alleles into Brahman cattle in Florida: II. Preweaning growth traits. | |
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MedLine Citation:
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PMID: 2312424 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Records of birth weight (BW), weaning weight (WW) and condition score (CS) from 1,467 Brahman and Brahman X Angus crossbred calves from Brahman and crossbred Brahman sires and Brahman, crossbred Brahman and Angus dams were collected at the Subtropical Agricultural Research Station, Brooksville, Florida, from 1971 to 1982. Best linear unbiased estimates (BLUE) of Brahman sire and dam group additive genetic effects (as deviations from Angus) and Brahman X Angus dam and calf group nonadditive (intralocus) genetic effects (as deviations from intralocus group genetic effects in the parental breeds) were obtained. Linear combinations of these were used to compute direct and maternal Brahman additive and Brahman X Angus nonadditive (intralocus) group genetic effects. The respective BLUE of these four effects were 5.99 +/- 2.08, -5.70 +/- 1.91, .52 +/- 1.81 and 2.85 +/- .72 kg for BW; 9.60 +/- 10.29, 8.76 +/- 9.47, 9.47 +/- 8.96 and 20.95 +/- 3.56 kg for WW; and -1.10 +/- .55, 1.64 +/- .50, 1.47 +/- .47 and .05 +/- .19 units for CS. Linear combinations of the BLUE of sire, dam and calf group genetic effects can be used to predict the genetic worth of crossbred groups composed of any combination of Brahman and Angus breeding. Nonadditive maternal group genetic effects were the most important factor for BW and WW, whereas nonadditive direct group genetic effects were the most important for CS. |
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Authors:
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M A Elzo; T A Olson; W T Butts; M Koger; E L Adams |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of animal science Volume: 68 ISSN: 0021-8812 ISO Abbreviation: J. Anim. Sci. Publication Date: 1990 Feb |
Date Detail:
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Created Date: 1990-04-19 Completed Date: 1990-04-19 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8003002 Medline TA: J Anim Sci Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 324-9 Citation Subset: IM |
Affiliation:
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Anim. Sci. Dept., Univ. of Florida, Brooksville 33512. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Alleles* Animals Animals, Suckling / genetics, growth & development* Birth Weight / genetics Body Weight / genetics Cattle / genetics*, growth & development Crosses, Genetic* Female Florida Least-Squares Analysis Male Probability Weaning |
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