Document Detail

Effect of birth weight on efficiency of beef production.
MedLine Citation:
PMID:  464937     Owner:  NLM     Status:  MEDLINE    
The large 'lean beef' breeds are vulnerable to calving difficulties and losses. Dystocia is related to high birth weight. Data recorded from evaluation experiments show that the birth weight of the 'lean beef' taurus crossbreeds was high (39+/-2.1 kg). Indicus beef genotypes were selected with the birth weight (29+/-1.9 kg) significantly lower (P is less than 0.01) without a depression in the final yield of beef. To increase efficiency of beef production the lower birth weight factor needs be incorporated into genotypes for high viability and growth. Profitability depends on output per dam, in relation to inputs, on a herd basis. Hence, progress may depend on the application of such changes of genotype.
D F Dowling
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Australian veterinary journal     Volume:  55     ISSN:  0005-0423     ISO Abbreviation:  Aust. Vet. J.     Publication Date:  1979 Apr 
Date Detail:
Created Date:  1979-09-17     Completed Date:  1979-09-17     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0370616     Medline TA:  Aust Vet J     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  167-9     Citation Subset:  IM    
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MeSH Terms
Birth Weight*
Cattle / growth & development*

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

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