STUDY THE RESPONSE RATE OF BROILER CHICKENS  FOR TWO KINDS OF FOOD ADDITIVES

	STUDY THE RESPONSE RATE OF BROILER CHICKENS FOR TWO KINDS OF FOOD ADDITIVES
AL-TAQANI
Article 1, Volume 22, Issue 1, 2009, Pages 0-0
Abstract
The specific aim of this study was to determine the response rate of broiler chickens to the food additives like probiotic and organic acid (Natural acetic acid) . Atotal of 900 broiler chicks, Hubbard at one day old, were randomly allocated into three treatment groups. Chicks in each treatment group were subdivided in to five replicate with 60 chicks for each replicate. Chicks in the first treatment received control diet, chicks in the second treatment were fed on diet supplemented with locally probiotic contain the yeast Saccharomyses Cerevisaie added to the feed at level of 5 Kg per ton feed while chickes in the third treatment where received organic acid in the drinking water at the level of 3ml acid /100 L water . The data showed that chicks in T3 which recived vinegar with the drinking water had significantly (>0.05) higher body weight and feed consumption at marketing age (8 weeks). No stastically differences were observed between T2 and T3 in respect of feed conversion at 8 weeks old . chicks recived probiotic T2 or vinegar T3 had significantly(p>o.o) less amortality and higher dressing percent when comparid with control group.Also result showed significant organic acid and locally probiotic where as have not any significant between them on control group at feed efficiency at 4,8 weeek .

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