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Fig. 16 | Genetics Selection Evolution

Fig. 16

From: Genome-wide association studies and genomic prediction of breeding values for calving performance and body conformation traits in Holstein cattle

Fig. 16

Squared correlation (r2) between direct genomic breeding values (DGV) and the corresponding de-regressed EBV for validation bulls using different SNP sets. a Calving performance traits are daughter calving ability (DCA); maternal calving ease at first calving (heifer; CEh); maternal calf survival at first calving (heifer; CSh) and maternal calf survival at later calvings (cow; CSc). b Body conformation traits are conformation score (CONF); rump (RU); mammary system (MS); feet & legs (FL); dairy strength (DS); rump angle (RAN); pin setting (PS); pin width (PW); loin strength (LS); udder depth (UD); udder texture (UT); median suspensory ligament (MSL); fore udder attachment (FA); front teat placement (FTP); teat length (TL); foot angle (FAN); heel depth (HD); bone quality (BQ); leg side view (LSV); set of rear legs (SRL); leg rear view (LRV); stature (ST); height at front end (FE); chest width (CW); body depth (BD) and angularity (ANG). Set 1 (38,405 SNPs) = set of SNPs from the 50K SNP panel; set 2 (601,717 SNPs) = set of SNPs from the HD SNP panel; set 3 (1206 SNPs) = set of significant (genome-wise false discovery rate of 5%) SNPs for calving and body conformation traits; set 4 (39,564 SNPs) = set of combined SNPs from sets 1 and 3; set 5 (39,408 SNPs) = set of combined SNPs from set 1 and a set of significant SNPs for all traits within or nearby genes (± 100 kbp around the gene); reliability = average reliabilities of the EBV from the December 2014 genetic evaluation for validation population

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