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Effect of dietary supplementation of Lactobacillus sporogens and Zigbir in broilers: I performance

Department of Poultry Science
College of Veterinary Science & A.H.
Mathura - 281 001 (U.P.)


A biological trial was designed to evaluate the effect of Lactobacillus sporogens and Zigbir on the production performance of commercial broilers. In experiment graded levels of Lactobacillus sporogens (0.02% or 0.04%), 0.02% Lactobacillus with 0.025% Zigbir and 0.04% Lactobacillus with 0.05% Zigbir were supplemented in the basal diet to formulate treatment diet no.1 to 5. The five experimental diets used in the experiment were isocaloric and isonitrogenous. Each diet was tested in triplicate groups of 15 broilers each for 6 weeks from week-old age. The progressive weekly and overall body weight, feed consumption and feed efficiency were not significantly affected by feeding the diets having graded levels of Lactobacillus and Zigbir. Similarly the carcass quality characteristics (percent shrinkage, dressed yield, giblet yield and cut-up-yield) were not significantly affected by the supplementation of Lactobacillus and Zigbir. The overall result suggests that although all the production parameters taken in the study have shown the numerical improvement due to the addition of Lactobacillus and Zigbir, but these improvements were non-significant probably because the diets were adequate in all the nutrients as well as the birds were kept practically in stress free conditions.


Source : IPSACON-2005
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