Age at first calving and lifetime performance of Hariana cattle at organized farms

The present investigation was undertaken to access age at first calving, actual lifetime milk yield per day of productive life, herd life and total life. non-genetic factors such as period birth, season AFC group farms on these traits were studied by least-squares analysis the means compared using Duncan's multiple range test. for estimated 1668.3±16.6 days, 1.878±0.04 litres/day, 1.735±0.05 litres/day 1.029±0.03 respectively. Farm birth had significant effect In time effect. class