Factors affecting replacement rate and its components in Jersey-Sahiwal cattle

Abstract

The average value in per cent for abnonnal birth, normal calving, male birth, female birth, death of female calves, culling of female calves, replacement rate on basis of total pregnancies and total female calves born were 4.86, 95.14, 49.52,50.48, 15.92, 19.52,31.01 and 64.56 respectively. On an average 3 pregnancies were required for 1 female calf reached to milking herd. The period of birth had significant effect on replacement rate and its components.