Animal Model Versus Conventional Methods of Sire Evaluation in Sahiwal Cattle
نویسندگان
چکیده
منابع مشابه
Animal Model Versus Conventional Methods of Sire Evaluation in Sahiwal Cattle
A total of 1,367 first lactation records of daughters of 81 sires, having 5 or more progeny were used to evaluate sires by 3 different methods viz., least squares (LS), best linear unbiased prediction (BLUP) and derivative free restricted maximum likelihood (DFREML) method. The highest and lowest overall average breeding value of sires for first lactation 305 days or less milk yield was obtaine...
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The main aim of sire evaluation is to obtain an accurate, efficient and ranking them according to their merit so as to enable the breeder to choose the best bulls. Today, the need for sire evaluation for their additive genetic ability (breeding values) or transmitting ability to its progeny has been recognized. For assessing the breeding values of bulls for the traits viz. age at first calving ...
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A lot of researches have investigated the effects of topical cyclosporine A on the eye surface layers’ diseases. By now the main limitation in cyclosporine application is the low permeation of the drug into the posterior segments of the eye. The aim of present study was to formulate high permeable dosage form can be beneficial in the topical treatment of the uveitis. To reach higher corneal dru...
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The records of 1085 crossbred cattle daughters of 57 sires maintained during 1974-2004 at Instructional Dairy Farm of Govind Ballabh Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, India were used to evaluate sires for first lactation performance traits. The data were analyzed to estimate the breeding values of sires using least squares methods (LSM), best linear unbiased p...
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Three methods of sire evaluation were compared empirically--herdmate comparison, least squares, and maximum likelihood. Michigan Dairy Herd Improvement Association Holstein data representing 10,620 first lactation records and 1,003 herd-year groups were analyzed. Forty individual bulls representing three artificial insemination units were evaluated. The rank correlations among herdmate comparis...
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ژورنال
عنوان ژورنال: Asian-Australasian Journal of Animal Sciences
سال: 2006
ISSN: 1011-2367,1976-5517
DOI: 10.5713/ajas.2006.1225