Document Detail


Selection indices in Holstein cattle of various countries.
MedLine Citation:
PMID:  15738259     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fifteen countries, based on geographical representation, Interbull membership, and size of progeny testing programs, provided a brief description of national selection index and top bull listings from August 2003. Individual traits included in each selection index were grouped into 3 components as they related to production, durability, and health and reproduction. The relative emphasis for each component within the selection index, as well as the number of common bulls among top listings were compared across countries. Average relative emphasis for production, durability, and health and reproduction, across all countries, was 59.5, 28, and 12.5%, respectively. The main difference between selection indices in various countries was the relative emphasis on production. Overall, the Danish S-Index had the most balanced emphasis across the 3 components, with 34% on production, 29% on durability, and 37% on health and reproduction. Broadening of breeding goals through recent changes to selection indices decreased the similarities of top bull listings across the various countries, with a slightly greater commonality among sires of top bulls.
Authors:
F Miglior; B L Muir; B J Van Doormaal
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of dairy science     Volume:  88     ISSN:  0022-0302     ISO Abbreviation:  J. Dairy Sci.     Publication Date:  2005 Mar 
Date Detail:
Created Date:  2005-03-01     Completed Date:  2005-07-21     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  2985126R     Medline TA:  J Dairy Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1255-63     Citation Subset:  IM    
Affiliation:
Agriculture and Agri-Food Canada-Dairy and Swine Research and Development Centre Lennoxville, Quebec, Canada. miglior@cdn.ca
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MeSH Terms
Descriptor/Qualifier:
Animals
Breeding*
Cattle / genetics*,  physiology
Dairying / methods*
Female
International Cooperation
Male
Selection, Genetic*
Comments/Corrections
Erratum In:
J Dairy Sci. 2005 Apr;88(4):1613

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


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