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Studies of Beef Performance Traits in Piemontese×Nanyang Crossbred Using Microsatellites as Genetic Markers

CAO Hong-He; WANG Ya-Chun; CHEN You-Chun(Institute of Animal Science Chinese Academy of Agricultural Sciences Beijing 100094)Y. Zhang; L. Ferretti (Istituto per la Difesa e la Valorizzazione del Germplasme Animele, CNR via Celoria 10 20133 Milano Italy)  
Five microsatellites, IDVGA-2, IDVGA-27, IDVGA-46, IDVGA-55 and TGLA-44 were associated to beef Performance traits of 100 heads of Nanyang cattle, Piemontese and their hybrid cattle using general linear model (GLM) with statistical analysis system (SAS). For microsatellite IDVGA-27, allele 136 had a positive relation with heart girth, height at hip cross and chest depth (body measurements) and loin width (muscularity evaluation); however, allele 142 showed a significant negative correlation with above performance traits. For IDVGA-46, the individuals with allele 205 had a good muscular development at loin width, on the contrary, the allele 211, which was not found in Piemontese cattle, had a negative correlation with shoulder development.Allele 203 (IDVGA-55) had a positive association with body measurement parameters including wither height body length, height at hip cross and rump width.
【Fund】: 国家自然科学基金!39470517
【CateGory Index】: Q75
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