Written Paper

Impact of mastitis severity on mineral contents of buffalo milk  [2007]

Ahmad, T. (University of Agriculture, Faisalabad (Pakistan). Dept. of Clinical Medicine and Surgery) Bilal, M.Q. (University of Agriculture, Faisalabad (Pakistan). Dept. of Livestock Management) Ullah, S. (University of Agriculture, Faisalabad (Pakistan). Dept. of Clinical Medicine and Surgery) Zia-ur-Rahman ((University of Agriculture, Faisalabad (Pakistan). Dept. of Veterinary Physiology and Pharmacology) et al.

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This study was planned to determine the effect of mastitis on the mineral contents of buffalo milk. For this purpose, 150 buffaloes were selected randomly having same stage of lactation (third to fourth month post calving) and parity (second to third), from District Jhang, Pakistan. The severity of mastitis was graded as mild, moderate and high by Surf Field Mastitis Test. The milk samples were subjected to wet digestion to determine the levels of mineral contents. The results showed that sodium level increased in mastitic milk from 38.92 plus minus 0.20 to 46.60 plus minus 0.26 mg/100 ml. However, a reduction from 23.08 plus minus 0.56 to 13.62 plus minus 1.33; 49.45 plus minus 0.62 to 37.80 plus minus 0.50; 15.78 plus minus 0.27 to 14.41 plus minus 0.18; and 21.20 plus minus 0.39 to 20.02 plus minus 0.77 mg/100 ml in potassium, calcium, magnesium and manganese was found due to mastitis. A similar trend was noticed for iron, zinc, and copper, which showed a decrease from 22.06 plus minus 0.36 to 18.87 plus minus 0.27; 43.24 plus minus 1.02 to 37.10 plus minus 1.22 and 13.18 plus minus 0.38 to 9.07 plus minus 0.22 mg/100ml, respectively. The results of this study demonstrated that mastitis had a major impact on the mineral contents in milk, which can affect quality of milk.

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Pakistan Journal of Agricultural Sciences (Pakistan)

ISSN : 0552-9034