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Katanbaf MN, Siegel PB, Dunnington EA. Organ growth of selected lines of chickens and their F1 crosses to a common body weight or age. Theor Appl Genet. 1988;76(4):540-4doi: 10.1007/BF00260904.
Katanbaf, M. N., Siegel, P. B., & Dunnington, E. A. (1988). Organ growth of selected lines of chickens and their F1 crosses to a common body weight or age. TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 76(4), 540-4. https://doi.org/10.1007/BF00260904
Katanbaf, M N, et al. "Organ growth of selected lines of chickens and their F1 crosses to a common body weight or age." TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik vol. 76,4 (1988): 540-4. doi: https://doi.org/10.1007/BF00260904
Katanbaf MN, Siegel PB, Dunnington EA. Organ growth of selected lines of chickens and their F1 crosses to a common body weight or age. Theor Appl Genet. 1988 Oct;76(4):540-4. doi: 10.1007/BF00260904. PMID: 24232272.
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Theor Appl Genet. 1988 Oct;76(4):540-4. doi: 10.1007/BF00260904.

Organ growth of selected lines of chickens and their F1 crosses to a common body weight or age.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

M N Katanbaf, P B Siegel, E A Dunnington

Affiliations

  1. Department of Poultry Science, Virginia Polytechnic Institute and State University, 24061-0332, Blacksburg, VA, USA.

PMID: 24232272 DOI: 10.1007/BF00260904

Abstract

Organ growth of male chickens selected for high and low 56-day body weight and their reciprocal F1 crosses was compared at a common age (56 days) or at a common body weight (180 g). Organs that differed at a common body weight included weights of proventriculus, small intestine, lungs, feathers and abdominal fat and length of esophagus. Organ weights that differed at a common age included esophagus, gizzard, heart, liver, lungs, breast, legs, feathers and abdominal fat, and lengths of shank, esophagus and small intestine. Heterosis for most organs was less than 15%. Those exhibiting heterosis greater than 30% included weights of fat depots and feathers, plus lengths of the esophagus, small intestine and shank. Heterosis for these traits, however, varied depending on whether comparisons were made at common body weight or age. These results imply that biological functions of organs at specific ages may not reflect the situations at common body weights and suggest differences in resource allocations among populations.

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