Accuracy of genomic selection predictions for hip height in Brahman cattle using different relationship matrices
نویسندگان
چکیده
منابع مشابه
Accuracy of genomic breeding value prediction for intramuscular fat using different genomic relationship matrices in Hanwoo (Korean cattle)
OBJECTIVE Intramuscular fat is one of the meat quality traits that is considered in the selection strategies for Hanwoo (Korean cattle). Different methods are used to estimate the breeding value of selection candidates. In the present work we focused on accuracy of different genotype relationship matrices as described by forni and pedigree based relationship matrix. METHODS The data set inclu...
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Lactation anoestrous interval (time from the beginning of the annual mating period to the identification of the cows’ first subsequent corpus luteum by ultrasound scanning) was measured in 898 Brahman females. Previous analyses, including genomic prediction, were performed using a trait defined in cows which successfully weaned a calf (as 3 year olds) from their first mating (LAI: n = 629). The...
متن کاملEffect of different genomic relationship matrices on accuracy and scale.
Phenotypic data on BW and breast meat area were available on up to 287,614 broilers. A total of 4,113 birds were genotyped for 57,636 SNP. Data were analyzed by a single-step genomic BLUP (ssGBLUP), which accounts for all phenotypic, pedigree, and genomic information. The genomic relationship matrix (G) in ssGBLUP was constructed using either equal (0.5; GEq) or current (GC) allele frequencies,...
متن کاملThe Impact of Different Genetic Architectures on Accuracy of Genomic Selection Using Three Bayesian Methods
Genome-wide evaluation uses the associations of a large number of single nucleotide polymorphism (SNP) markers across the whole genome and then combines the statistical methods with genomic data to predict the genetic values. Genomic predictions relieson linkage disequilibrium (LD) between genetic markers and quantitative trait loci (QTL) in a population. Methods that use all markers simultaneo...
متن کاملUsing Male Performance to Improve Genomic Selection for Female Fertility in Brahman Cattle
Genomic selection offers the opportunity to improve female fertility in the Northern Australian beef herd. However, genomic predictions for a number of female fertility traits derived solely from the small number of female fertility records collected thus far are only of modest accuracy. In this study measures of Brahman male reproduction were used jointly with the female records, increasing th...
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ژورنال
عنوان ژورنال: Pesquisa Agropecuária Brasileira
سال: 2018
ISSN: 1678-3921,0100-204X
DOI: 10.1590/s0100-204x2018000600008