Manoj Kumar Tripathi, Prabhat Tripathi, U B Chaudhary, Ravindra Kumar and D L Gupta
Scientific Tracks Abstracts: J Veterinar Sci Technolo
Protein supplements those are conventionally used in goat feeding includes oil meals of ground nut, soybean meal, linseed and til etc., are very costly and their availability is limited for ruminant feeding as these are most used in pig and poultry rations. However, mustard ( Brassica juncea ) oil meal, guar korma and urea are available in plenty at cheaper prices. Ruminant animals have unique capability of bioconversion of non-protein nitrogen substances into microbial protein, which can also substitute organic protein supplement. Present study evaluated the effect of linseed oil meal (LSM), mustard oil meal (MOM) and guar korma plus urea (GKU) inclusion as source of dietary protein (16%) in concentrate pellet in lactation goats diet. Twenty-seven lactating goats were divided in three homogenous equal groups and each goat group received one of the three- concentrate pellets at 500 g per day with ad-lib. gram straw and 2 kg green fodder. Experiment lasted for 60 days, during which milk production was recorded at every 7 days and milk constitutes were analyzed at fortnightly intervals. Milk yield was similar among three goat groups, which ranged from 673 to 785 ml/day. The pH of milk varied from 6.46 to 6.57, protein 3.07 to 3.15% and lactose from 4.78 to 4.86%, these were not different among goat groups. Milk fat content and daily milk fat yield were however higher (P<0.05) in goats fed LSM containing concentrate pellet, where as MOM and GKU concentrate pellet fed goats have similar milk fat content and daily milk fat yield. Study concluded that utilization of LSM, MOM and GKU in concentrate do not change milk yield and constituents. However, MOM and GKU inclusion reduced milk fat content and daily milk fat yield. Therefore, MOM or GKU could replace conventional protein source in dairy animals feeding, where milk fat content is not an issue.
Manoj Kumar Tripathi has completed his PhD from GBPUA&T, Pantnagar during 1999 and postdoctoral studies from INRA France from 2002-03. He was the Visiting Scientist at CSIRO, Australia from 2001-12. He is Principal Research Scientist of ICAR under Agricultural Research Services at Central Institute for Research on Goats. His research interest has been feed biotechnology, metabolic functional of rumen microbiota, nutrition and production. He has published more than 80 papers in reputed journals, has filed four patents and has been serving as an editorial board member of five research journals of repute.
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