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Effect of sire and various non-genetic factors on total lactation milk yield in Gir cows


Effect of sire and various non-genetic factors on total lactation milk yield in Gir cows



Cheiron 28(5): 168-170



Milk yield records for 131 lactations of 47 Gir cows maintained at Bombay Gowrakshak Mandali's Cattle Breeding Farm (Kandivali, Mumbai, India) between 1984 and 1996 were analysed. The overall least-squares means of milk yield and lactation duration were 1651.69+or-247.35 kg and 327.71+or-36.45 days respectively. Milk yield increased from the 1st to the 5th lactation. Sire and parity had non-significant effects on milk yield.

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