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Factors affecting calving interval and lactation length in friesian sahiwal crosses



Factors affecting calving interval and lactation length in friesian sahiwal crosses



International Journal of Tropical Agriculture 5(3-4): 240-246



Calving interval and lactation length of 1050 Holstein Friesian X Sahiwal crossbred cows were collected for 20 years (1954-73) from the military farms at Meerut, Ambala and Jullundur. Period of calving had a significant effect on lactation length and calving interval. The effect of season and farm of calving was not significant on either of these traits. Parity of cow influenced calving interval only.

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