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Asian-Australas J Anim Sci > Volume 20(12); 2007 > Article
Ruminant Nutrition and Forage Utilization
Asian-Australasian Journal of Animal Sciences 2007;20(12): 1858-1864.
DOI: https://doi.org/10.5713/ajas.2007.1858    Published online October 30, 2007.
Influence of Varying Level of Sodium Bicarbonate on Milk Yield and Its Composition in Early Lactating Nili Ravi Buffaloes
M. Sarwar*, M. Aasif Shahzad, Mahr-un- Nisa
Correspondence:  M. Sarwar,
Abstract
Influence of varying level of sodium bicarbonate (SB) supplementation on milk yield and its composition was examined in a randomized complete block design in early lactating Nili Ravi buffaloes during summer. Four iso-nitrogenous and iso-caloric diets were formulated. The diet 0B contained 0 while LB, MB and HB diets contained 0.50, 1.0 and 1.50% SB levels, respectively. The diets were randomly allotted to twenty buffaloes, five in each group. A linear increase in nutrient and water intake was recorded with increasing SB level. Buffaloes fed MB and HB diets showed higher nitrogen balance than those fed 0B and LB diets. A significant increase in blood pH and serum bicarbonate was noticed with increasing SB level. Urine pH increased significantly with increased SB level. A linear increase in milk yield was also noticed with increasing SB level. Milk fat% increased significantly in buffaloes fed MB and HB diets compared with those fed 0B and LB diets. Buffaloes fed HB diet had higher conception rate and less services per conception than those fed 0B diet. This study indicated that a high SB diet not only increased dry matter and water intake, milk yield, milk fat% but also increased conception rate in early lactating buffaloes during summer.
Keywords: Early Lactating Buffaloes; Sodium Bicarbonate; Nitrogen Balance; Milk Yield and Composition


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