نتایج جستجو برای: blup
تعداد نتایج: 649 فیلتر نتایج به سال:
The validation of estimated breeding values from single-step genomic BLUP (ssGBLUP) is an important topic, as more and countries animal populations are currently changing their prediction to single-step. objective this work was compare different methods validate (GEBV). investigations were carried out using a simulation study based on the German-Austrian-Czech Fleckvieh population. To test unde...
Genomic selection methodologies and genome-wide association studies use powerful statistical procedures that correlate large amounts of high-density SNP genotypes phenotypic data. Actual 305-d milk (MY), fat (FY), protein (PY) yield data on 695 cows 76,355 genotyping-by-sequencing-generated marker from Canadian Holstein dairy were used to characterize linkage disequilibrium (LD) structure cows....
Across herd genetic evaluation using BLUP procedures allows individuals from different herds to be validly compared in their relative genetic merit. The potential advantages of across herd analyses to the industry as a whole has meant that such analyses are routinely conducted in Canada and European countries. In Australia, across herd evaluations will become a major tool for small scale breede...
genomic selection (gs) is a tool for prediction of breeding values for quantitative traits. for a successful application of gs, accuracy of predicted genomic breeding value (gebv) is a key issue to consider. here we investigated the accuracy of gebv in 345 genotyped iranian holstein cattle. the study was performed on milk, fat, protein yield and somatic cell count. four methods g-blup, bayes b,...
Many traits of economic importance are controlled by a large number of genes (polygenes) acting in concert. Selection on estimated breeding values (EBVs) based on the infinitesimal model using Best Linear Unbiased Prediction (BLUP) has proven to be very effective for traits that are easily measured. The infinitesimal model assumes that there are an infinite number of genes, each having a small ...
Quantitative adult plant resistance (APR) to stem rust (Puccinia graminis f. sp. tritici) is an important breeding target in wheat (Triticum aestivum L.) and a potential target for genomic selection (GS). To evaluate the relative importance of known APR loci in applying GS, we characterized a set of CIMMYT germplasm at important APR loci and on a genome-wide profile using genotyping-by-sequenci...
The objective of this study was to investigate the application of BLUP and single step genomic BLUP (ssGBLUP) models in different scenarios of paternity uncertainty with different strategies of scaling the G matrix to match the A22 matrix, using simulated data for beef cattle. Genotypes, pedigree, and phenotypes for age at first calving (AFC) and weight at 550 days (W550) were simulated using h...
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