| Growth curve changes associated with long-term selection for body weight in Japanese quail. | |
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MedLine Citation:
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PMID: 680578 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Four quail lines were utilized to investigate growth patterns in quail. Three of these lines (P, T and S) had previously undergone long-term selection for high 4-week body weight, while line C was maintained as a nonselected control. Quail progeny from generation 37 and 38 breeders were fed diets containing 28% and 20% protein. Within each trial, the diet/line treatments were replicated 3 times with 12 quail per subclass. Body weight measurements suggested that the growth of all lines was best approximated by the logistic growth curve model. When fed a 28% protein diet the age at maximum growth (point of inflection) of selected lines was 4 to 6 days earlier than the corresponding age of controls. Similar rates of gain after 4 weeks of age between selected and control lines suggested that mechanisms influenced by selection for 4-week body weight in quail operate only during the period prior to the age at selection with little or no residual effect. |
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Authors:
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H L Marks |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Growth Volume: 42 ISSN: 0017-4793 ISO Abbreviation: Growth Publication Date: 1978 Jun |
Date Detail:
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Created Date: 1978-10-25 Completed Date: 1978-10-25 Revised Date: 2009-11-19 |
Medline Journal Info:
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Nlm Unique ID: 0205044 Medline TA: Growth Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 129-40 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Analysis of Variance Animal Feed Animals Body Weight Coturnix / growth & development* Dietary Proteins Female Male Quail / growth & development* Selection, Genetic Sex Factors Species Specificity |
| Chemical | |
Reg. No./Substance:
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0/Dietary Proteins |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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