Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Journal of Northeast Agricultural Sciences》 2018-06
Add to Favorite Get Latest Update

Studies on the Correlation between Sheep Feed Utilization Efficiency and Serum Hormone and Related Genes

LIANG Yifan;CAO Yang;JIN Haiguo;College of Agronomy, Yanbian University;Branch of Animal Husbandry, Jilin Academy of Agricultural Science;  
The study attempts to explore the influencing factors and molecular mechanisms of feed utilization bystudying the correlation between sheep feed utilization and several serum hormone concentrations and the expres?sion of related genes in tissues. 15 individuals from the same group that F1 rams of small-tail Han sheep × Dorpersheep were selected, and the two groups were found to have extreme differences in feed utilization rate through feed?ing experiments. Serum indicators and related gene expression were measured, and differential analysis and correla?tion analysis were carried out. The results showed that there was a significant difference in feed utilization and aver?age daily gain between the two groups(P0.01). The neuropeptide Y(NPY) hormone concentration in high feed utili?zation rate group was significantly lower than that in the low feed utilization rate group(P0.05). The NPY showed alow positive correlation(r=0.307, P0.05; r=0.447, P0.05) with feed consumption and feed utilization rate, andshowed a moderate negative correlation with the average daily gain(r=-0.620, P0.05). there was not significant cor?relation between hormone and feed utilization rate. The expression level of NPY gene in the high feed utilizationgroup was higher than that in the low feed utilization group, which was consistent with the concentration determina?tion in serum; NPY gene was most expressed in the rumen and the least in muscle. The results suggest that NPYmay be one of the factors affecting feed utilization, and further research is needed for the intrinsic regulation mecha?nism.
【Fund】: 国家肉羊产业技术体系(CARS-38);; 吉林省科技发展计划(20160412029XH)
【CateGory Index】: S826
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved