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Animal Reproduction and Physiology
Asian-Australasian Journal of Animal Sciences 2001;14(2): 189-192.
DOI: https://doi.org/10.5713/ajas.2001.189    Published online February 1, 2001.
Somatic Cell Counts in Marrah Buffaloes (Bubalus bubalis) During Different Stages of Lactation, Parity and Season
Mahendra Singh, R. S. Ludri
This study was initiated in an effort to determine the normal mean and variations of the somatic cell count (SCC) in milk of buffaloes as influenced by the milking time, stage of lactation, parity and season. The buffaloes were hand milked at 13 and 11 h. interval during evening and morning respectively. On the day of milk sampling the udders were tested for mastitis by California Mastitis Test (CMT). Only those buffaloes, which were found negative in the CMT, were included in the sampling plan. The mean values for morning and evening were 1.09 (range 0.39-1.76) and 0.97 (range 0.57-2.46)횞05 cells/ml, respectively which did not differ significantly. When data of the morning and evening values was compared on the basis of total cell secretion in milk, even then there was no statistical difference between the morning and the evening values, thereby suggesting that no diurnal variation existed in SCC of milk. Paritywise differences were not significant between the 1st to 5th lactation and above. Similarly stage of lactation effect, when tested at 30 day intervals, did not differ significantly. Significant (p<0.05) correlation coefficients (r) between SCC and milk yield during different stages of lactation and parity suggested that SCC per ml of milk was higher during the later stages of lactation. SCC was higher in primiparous than in multiparous buffaloes. On an average the SCC recorded was 1.0횞105 cells/ml of milk irrespective of time of milking, parity and stages of lactation. The SCC was low during cold and hot-dry season but were high during the hot-humid season (p<0.05), the respective values being 0.76, 1.08 and 1.35횞105 cells/ml. These values were lower than the SCC already reported in cows suggesting less stressful condition of the udder of buffaloes in this study.
Keywords: Somatic Cell Count; Parity; Stage of Lactation; Season; Milking Interval

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