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Shakeel Ahmad
Saima Inayat
Muhammad Nadeem
Ali Ahmad Sheikh
Muhammad Ali


Physic-chemical, antimicrobial, properties, colostrum, transition milk, Sahiwal, Cholistani breeds


Sahiwal and Cholistani cattle are considered as heat-tolerant breeds of Pakistan. The colostrum and transition milk of these cattle obtained as Sahiwal (n =10) and Cholistani cow (n=10) at 06 hours interval after calving, and then in every morning and evening till five days at regular intervals (n=220). At morning, samples were marked as 12, 36, 60, 84 and 108 hours while at evening marked as 24, 48, 72, 96 and 120 hours. The physico-chemical examination of the nutritional characteristics of colostrum and transition milk included measurements of pH, acidity, fat, protein, total solids, solids without fat, lactose, ash, specific gravity, and viscosity. Measurements were also made of antimicrobial characteristics such as lactoferrin, immunoglobulins, and lysozyme. The findings indicated that while lactose percentage and pH values of colostrum grew, fat, protein, total solids, solids not fat, and ash content in colostrum and transition milk from Sahiwal and Cholistani cow breeds steadily declined. After six hours, the fat concentrations of the Sahiwal and Cholistani cows were 6.80±0.06 and 5.70±0.06, respectively. At 120 hours post-calving, the immunoglobulin levels in transition milk of both breeds of cattle were 11.61±0.01l and 19.25±0.01l, respectively. After calving, viscosity, LR, specific gravity, and immunoglobulins dropped from 06 to 120 hours. Lysozyme in colostrum of Sahiwal at 06 hours of post calving was 0.39±0.00 and then decreased to the level of 0.06±0.00 after 120 hours of calving. The concentration of lactoferrin in colostrum and transition milk were highly significant p<0.0001 in both breeds of the cattle.

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