基因多态性与超声波活体测定相结合对肉牛主要肉质性状的研究.pdf

2017 44 3 825831 China A nim al H usbandry Vete r inary M e d ic ine doi cnki j PCRSSCP L ep tin EJW SNP EJW P I C P I C EJW AA AB BB AB B ABA A L ep tin EJW L ep tin EJW L ep tin EJW S A Study on Genetic Polymorphism and Ultrasound Measurements for Major Meat Quality Traits in Beef Cattle LI Na LI Hongbo Z HOU Zhen ong Z HANG Jinshan y YAN Xiangmin DU Wei YUAN Lixing Z HANG Yang X in iang A cadem o A nimal Sciences Urum i China j y f q Gansu A g ricultural Univ ersity L anz hou China Abstract In this study w e used PCRSCCP connect w ith ultrasonic vivo assay techniques analysis of correlation betw een L ep tin gene exon EJW polymorphism and part meat quality traits of backfat thickness eye muscle area fat content lot eye height in Xinjiang Brow n cattle at antemortem ost p p mortem T he results show ed that L ep tin gene exon EJW site PI C w as moderate polymorphisms PI C there w ere three genotypes of AA AB and BB AB genotype w ere the predominant genotype B w as the predominant allele In addition the forecast value of AB and AA gennotypes indi vidual muscle fat content w ere inconsistent w ith actual value L ep tin gene exon EJW w as identified the theroy of a candidate gene loci of beef quality traits in Xinjiang Brow n cattle Genetic polymorphism and ultrasound measurements could not