Analysis of Jersey crossbred cows for lactation specific demographic parameters
In present study, lactation specific demographic analysis was carried out on 1728 records of Jersey crossbred cows maintained at Eastern Regional Station (ERS), ICAR-NDRI, Kalyani, West Bengal over a period of 40 years (1980-2019).The survival rate was 79% in first lactation and followed a decreasing trend with lactation order.The stayability for f