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Effects of organic feed supplements on live performance, biochemical profile and immune response of broiler chicks Khan Asma*, Nagra S.S. Livestock Production and Management, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 001, (Punjab). *Corresponding author: E-mail: asmakhan_70@yahoo.co.in
Abstract The aim of current study was to compare the efficacy of organic (OP) with conventional premix (CP) on growth performance and carcass yield of broilers. Corn-GNE based diet supplemented either with OP or CP was used from 0–42d of age. The body weight (BW), body weight gain (BWG), feed intake, feed conversion ratio (FCR) and carcass yield were statistically similar in OP and CP supplemented group, but the weight of gastro-intestinal tract was slightly higher numerically in OP fed birds. Serum alkaline phosphatase, aspartate amino transferase, alanine amino transferase enzyme activities were also with in normal physiological range in both the treatments. Level of antibody titer against new castle disease and infectious bursal disease vaccination due to inclusion of supplements was also statistically similar in both CP and OP group. The hepatic ribonucleic acid (RNA) and Vitamin-C was numerically higher in OP group compared with CP group. In contrast to CP, the OP group significantly reduced the harmful bacteria (Bacteroides spp. and E. coli). These results suggest that broiler can be reared on organic premix without any adverse effect on their performance. Top Key words Organic premix, broiler, live performance. Top | | |
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