Metafounder approach for single-step genomic evaluations of Red Dairy cattle
نویسندگان
چکیده
منابع مشابه
Differences among methods to validate genomic evaluations for dairy cattle.
Two methods of testing predictions from genomic evaluations were investigated. Data used were from the August 2006 and April 2010 official USDA genetic evaluations of dairy cattle. The training data set consisted of both cows and bulls that were proven (had own or daughter information) as of August 2006 and included 8,022, 1,959, and 1,056 Holsteins, Jerseys, and Brown Swiss, respectively. The ...
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Genomic data Genotypes for about 40,000 single nucleotide polymorphisms (SNP) now act as a third source of data for national genetic evaluations of dairy cattle, in addition to phenotypes and pedigrees that were the basis of selection for the previous 100 years. Rapid developments in genotyping tools have lowered the cost of obtaining this genomic data to just over $200 per animal. The Illumina...
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Mark, T. 2005. International Genetic Evaluations for Udder Health Traits in Dairy Cattle. Doctoral dissertation. ISSN 1652-6880, ISBN 91-576-6992-9 The aim of this thesis was to investigate different approaches for international genetic evaluations of dairy sires for udder health traits. For this purpose, deregressed national genetic evaluations were used of Holstein milk somatic cell (SC) from...
متن کاملAcross breed multi-trait random regression genomic predictions in the Nordic Red dairy cattle.
The current study evaluates reliability of genomic predictions in selection candidates using multi-trait random regression model, which accounts for interactions between marker effects and breed of origin in the Nordic Red dairy cattle (RDC). The population structure of the RDC is admixed. Data consisted of individual animal breed proportions calculated from the full pedigree, deregressed proof...
متن کاملGenotyping strategies for genomic selection in small dairy cattle populations.
This study evaluated different female-selective genotyping strategies to increase the predictive accuracy of genomic breeding values (GBVs) in populations that have a limited number of sires with a large number of progeny. A simulated dairy population was utilized to address the aims of the study. The following selection strategies were used: random selection, two-tailed selection by yield devi...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2020
ISSN: 0022-0302
DOI: 10.3168/jds.2019-17483