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Articles by S.K. Shelke
Total Records ( 2 ) for S.K. Shelke
  S.K. Shelke and S.S. Thakur
  Objectives of present study were to study the effect of feeding protected nutrients on quality of milk and milk products in buffaloes. Eighteen Murrah buffaloes (Bubalus bubalis) were divided into two groups (9 each) on the basis of Most Probable Production Ability (MPPA). Group 1 (control; MPPA 2204.17 kg) were fed wheat straw, green maize fodder and concentrate mixture as per requirements. However, group 2 (treatment; MPPA 2210.64 kg) were fed same ration as control group plus 2.5% rumen protected fat (on dry matter intake basis) and concentrate mixture containing formaldehyde treated mustard and ground nut oil cake (1.2 g formaldehyde/ 100 g crude protein). The average milk yield (90 days) was 19.07% higher (p<0.01) in group 2 than that of group 1 (13.11 vs 11.01 kg day-1). Total unsaturated fatty acid content (% of total fatty acids) increased by 35.73% (41.78 vs 30.78%) and saturated fatty acids of milk decreased by 18.70% (52.91 vs 65.08%) in group 2 than that of group 1, respectively. There was no difference in flavor and overall acceptability between raw and pasteurized milk samples of group 1 and 2. Total sensory evaluation score of butter was 90.45 and 91.70 in group 1 and 2, respectively. The spreadability of butter was better in protected nutrient supplemented group. Total sensory evaluation score of ghee was 86.65 and 87.85 in group 1 and 2, respectively. Results of present study indicated that supplementation of protected nutrients to lactating buffaloes not only increased milk yield but quality of milk and milk products also.
  S.K. Shelke , S.S. Thakur and S.M. Shete
  In high producing dairy animals, especially during early lactation, the amount of energy and protein required for maintenance of body tissues and milk production often exceeds the amount of energy available from diet which results in a negative energy balance. Traditionally, cereal grains have been used to increase the energy density of diet in the ration of high producing dairy cattle, which adversely affect the dry matter intake, depresses fiber digestion and results in milk fat depression syndrome. Another viable option is to supplement protected fat in the diet of lactating cows and buffaloes which positively affect efficiency of these animals through a combination of caloric and non-caloric effects. Caloric effects are attributable to greater energy content and energetic efficiency of lipids as compared to that of carbohydrates or proteins with the overall benefit being increased milk production. The non-caloric effects include improved reproductive performance and altered fatty acid profile of milk. Whereas, the supplementation of protected protein in the diets of lactating animals increases the milk yield due to proportionate increase in the supply of amino acids to the host postruminally. Feeding protected protein in diets containing supplemental fat may alleviate the decrease in milk protein percentage associated with fat supplementation. Therefore, there is need to avoid negative energy balance during early lactation and to enhance the milk productivity with desirable composition, which will have far reaching benefits on their reproductive performance by supplementation of protected nutrients in the ration of medium and high yielding lactating animals.
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