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Lactation yield as affected by month of calving, age at first calving, inter calving and dry period, order of lactation and lactation length in Tharparkar cattle



Lactation yield as affected by month of calving, age at first calving, inter calving and dry period, order of lactation and lactation length in Tharparkar cattle



Rep. natn. Dairy Res. Inst. Karnal, New Delhi: Indian Council of Agricultural Research, 54-55



Data on 1860 completed lactations recorded during 1936-65 on 596 Tharparkar cows were studied. Maximum milk yield was from cows calving in Nov., followed by those in Mar. and Feb. Milk production varied significantly with month of calving and parity, but the effect of these factors was not great. Average lactation milk yield was 2147 kg and av. lactation length 268 days; the highest yield was in the 4th lactation.

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