EFFECT OF NON-GENETIC FACTORS ON MONTHLY TEST DAY MILK YIELD IN GIR CATTLE
2022
A.L. Ramani | P. U. Gajbhiye | A. R. Ahlawat | R. J. Raval
The present investigation was carried out on 365 records of Gir cows maintained at Cattle Breeding Farm during the period from 1986 to 2014 with an objective to assess the influence of various environmental factors on monthly test day milk yield in Gir animals. The overall least square means for individual monthly test day milk yields in Gir cows ranged from 2.74±2.0 to 6.35±0.26 litres. The effect of season of calving on first monthly test day was highly significant, The effect of age at first calving and period of calving was non-significant on all monthly test day milk yields.
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