Research Note: Differences in Major Histocompatibility Complex Gene Frequencies Associated with Feed Efficiency and Laying Performance

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1987-06-01
Authors
Hou, Y.-H.
Young, B. M.
Nordskog, A. W.
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Lamont, Susan
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Animal Science

The Department of Animal Science originally concerned itself with teaching the selection, breeding, feeding and care of livestock. Today it continues this study of the symbiotic relationship between animals and humans, with practical focuses on agribusiness, science, and animal management.

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The Department of Animal Husbandry was established in 1898. The name of the department was changed to the Department of Animal Science in 1962. The Department of Poultry Science was merged into the department in 1971.

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Associations between egg production and feed efficiency and the genes of the major histocompatibility complex (MHC) of the chicken were investigated. Breeders were selected on the basis of indexes incorporating information on body weight and egg mass, with or without feed consumption information. Over 1,000 progeny were serotyped for the erythrocyte antigen B (Ea-B) after the 6th generation of selection. The B2 and B13 haplotypes accounted for over 75% of the Ea-B gene pool in all lines. Comparing each index-selected line with the control, B2 significantly increased in frequency at the expense of B13. This study further implicates MHC-linked genes as important in the physiology of growth and reproduction in the chicken.

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This article is published as Lamont, S. J., Y-H. Hou, B. M. Young, and A. W. Nordskog. "Research note: differences in major histocompatibility complex gene frequencies associated with feed efficiency and laying performance." Poultry Science 66, no. 6 (1987): 1064-1066. DOI: 10.3382/ps.0661064. Posted with permission.

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Thu Jan 01 00:00:00 UTC 1987
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