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http://dx.doi.org/10.5713/ajas.2004.1232

Effect of Recombinant Bovine Somatotropin (Boostin-250) on Blood Metabolites and Milk Yield of Lactating Buffaloes  

Mishra, A. (Centre of Advanced Studies, Division of Physiology, Indian Veterinary Research Institute)
Shukla, D.C. (Centre of Advanced Studies, Division of Physiology, Indian Veterinary Research Institute)
Publication Information
Asian-Australasian Journal of Animal Sciences / v.17, no.9, 2004 , pp. 1232-1235 More about this Journal
Abstract
In order to investigate the effect of recombinant bovine somatotropin (rbST) on blood metabolites and milk yield of lactating buffaloes, 30 lactating buffaloes after acclimatization for 30 days were divided into 2 groups as control (n=10) and experimental (n=20). Animals were injected 250mg of rbST (Boostin-250) on 0, $14^{th}$ and $28^{th}$ day subcutaneously at ischiorectal fosse, where as control animals were given placebo of 2 ml normal saline. Fortnightly blood samples were collected from 15 days prior to 60 days post injection to estimate different blood metabolites. Daily milk yield was recorded and weekly average yield of each animal was calculated. From this study, it was found that blood metabolites such as glucose, triglycerides, total proteins, albumin, globulin and electrolytes like sodium and potassium were not altered by rbST injection. However, there was a significant (p<0.05) decrease in blood urea nitrogen (BUN) concentration in experimental group as compared to that of control group. The weekly average milk yield was significantly (p<0.001) higher (25%) in rbST injected group over the control group.
Keywords
rbST; Blood Metabolites; Milk Yield; Buffaloes;
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