“…The effect of season of calving was significant in MMY9 (P<0.05), MMY7 (P<0.01) while it was non significant on all the traits viz, MMY1 to MMY6, MMY8 and MMY10. The effect of order of lactation was significant on traits MMY4, MMY5, MMY6 (P<0.05), MMY 1 to MMY 3 (P<0.01), while it was non significant on traits from MMY 7 to MMY 10. breeding, inclusion of heat tolerance as a trait while constructing selection index, providing balanced nutrition to the animals and implementation of good ventilation along with suitable cooling system in the farm (Behera et al, 2020).…”