Document Detail

Heterotic and maternal effects on body composition of LL and SS rats and their reciprocals at two ages.
MedLine Citation:
PMID:  6642248     Owner:  NLM     Status:  MEDLINE    
A diallel cross between two genetically similar growth strain lines of rats, varying greatly in body size was made in order to evaluate the differences in carcass composition at 15 and 25 weeks of age. Traits assessed were percentages of dry matter, ash, fat, and protein of empty body weight. Analysis of variance of the components in the model indicated no significant differences in carcass constituents at age 15 weeks except dry matter. Rat carcasses at 25 weeks of age showed an increase in fat per cent (p less than .05) from 15 to 25 weeks of age. A significant maternal influence was expressed for fat per cent in favor of the LL dam and for protein per cent favoring the SS female. Heterosis was more evident (p less than .05) at 25 weeks than 15 weeks for ash, fat, and protein percentages.
T G Kasser; J W Mabry; L L Benyshek; D Campion
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Growth     Volume:  47     ISSN:  0017-4793     ISO Abbreviation:  Growth     Publication Date:  1983  
Date Detail:
Created Date:  1984-01-27     Completed Date:  1984-01-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0205044     Medline TA:  Growth     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  272-81     Citation Subset:  IM    
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MeSH Terms
Age Factors
Analysis of Variance
Body Composition*
Body Weight
Crosses, Genetic*
Hybridization, Genetic
Rats / genetics,  growth & development*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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