2015•Animal and Veterinary SciencesOpen access
Influence of Sex and Calf Weight on Milk Yield and Some Chemical Composition in the Egyptian Buffalo's
Mohamed Nour-Eldin Farid Hamad, Mostafa M. El-Moghazy
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Abstract
Data used in this study consisted of 30 monthly milk records during the lactation period from November 2011 to February 2012 (cold season). Data concerning daily milk yield, total milk yield monthly, percentage of milk fat, protein, lactose, total solids, and solids not fat for (14 males and 16 females) reared in the Tabanoha village, Dakahlia governorate, Egypt, were collected. Sex of birth had a significant (p>0.05) effect on milk yield at 60, 90, 120 and 150 days while non-significance showed on 30 days. Calf weight had not a significant (p>0.05) effect on all milk yield traits, but the interaction between sex and calf weight had a significant effect (p 0.05) on yields of fat, protein, lactose, total solids and solid non-fat at all months with the exception of the effect of the interaction between sex and calf weight was significant (p<0.05) on the yield of fat at 2 nd , lactose at 2 nd , 3 rd , total solids at 2 nd and solid non-fat at 1 st , 2 nd