Title of article :
Reproductive Performance Definition in Dairy Cattle: Affective Factors
Author/Authors :
Dayyani ، Nematollah - Lecturer of Payam Noor university , Karkudi ، Keyvan Associate Professor of Azad University , Bakhtiari ، Hasan Lecturer of Payam Noor university
Pages :
5
From page :
1392
To page :
1396
Abstract :
The reproductive performance of a dairy herd has a significant effect on the profitability of that herd. Common measures of reproductive performance are days to first service, days to conception, calving interval, services per conception, conception rate, estrus detection rate, and pregnancy rate. Most cow operations would benefit economically by reducing the number of operational days, decreasing culling rates due to nonpregnant females, and shortening their calving interval. Several factors influence reproductive performance, but none require more visual attention than heat or estrus detection
Keywords :
Reproductive , Performance , Dairy cattle
Journal title :
International Journal of Advanced Biological and Biomedical Research
Serial Year :
2013
Journal title :
International Journal of Advanced Biological and Biomedical Research
Record number :
2458233
Link To Document :
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