Heritability, SNP, inbreeding, dairy cattle, genomic selection-and other keywords
نویسندگان
چکیده
منابع مشابه
Inbreeding in Dairy Cattle
Inbreeding is defined as half of the genetic relationship between an animal’s parents. For example, the offspring from a mating of animals A and B, which have the same father, will have 12.5 percent inbreeding, because the genetic relationship between A and B is 25 percent. Statistical methods to select the best sires of each generation have been developed, making it feasible to achieve any pos...
متن کاملControlling inbreeding in dairy cattle using genomic data
Inbreeding depression is the reduction in fitness in offspring resulting from mating individuals that share at least one common ancestor. The objective was to compare the effect of genome-wide and location specific homozygosity on fertility and milk production traits in dairy cattle. Pedigree inbreeding was compared with genomic inbreeding which is the realised proportion of the genome that is ...
متن کاملGenomic Selection and Reproductive Efficiency in Dairy Cattle
Thomas E. Spencer1, Peter J. Hansen2, John B. Cole3, Joseph Dalton4, and Holly Neibergs1 1Department of Animal Sciences, Washington State University, Pullman, WA 99164 2Department of Animal Sciences, University of Florida, Gainesville, FL 32611 3USDA‐ARS, Animal Genomics and Improvement Laboratory, Beltsville, MD 20705 4Department of Animal and Veterinary Science, University of Idaho, Caldwell,...
متن کاملInvited review: Genomic selection in dairy cattle: progress and challenges.
A new technology called genomic selection is revolutionizing dairy cattle breeding. Genomic selection refers to selection decisions based on genomic breeding values (GEBV). The GEBV are calculated as the sum of the effects of dense genetic markers, or haplotypes of these markers, across the entire genome, thereby potentially capturing all the quantitative trait loci (QTL) that contribute to var...
متن کاملInbreeding in Danish dairy cattle breeds.
The purpose of this study was to monitor current and predict future rates of inbreeding in the Danish dairy breeds. Calves born from 1999 until 2003 and registered as Danish Holstein (1,883,983), Danish Jersey (336,966), or Danish Red (261,047) were reference populations. Average complete generation equivalent was approximately 7. For calves born in 2003, average inbreeding was 3.9, 3.4, and 1....
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ژورنال
عنوان ژورنال: Journal of Animal Breeding and Genetics
سال: 2018
ISSN: 0931-2668
DOI: 10.1111/jbg.12377