THE EFFECT OF CONTAINS MULTIPLE PROBIOTIC ON PRODUCTIVE  PERFORMANCE FOR TWO STRAIN OF BROILER CHICKENS

	THE EFFECT OF CONTAINS MULTIPLE PROBIOTIC ON PRODUCTIVE PERFORMANCE FOR TWO STRAIN OF BROILER CHICKENS
AL-TAQANI
Article 1, Volume 23, Issue 2, 2010, Pages 9-14
Abstract
This experiment to study the effect of multible probiotic containing on the performance characteristics for two strain of broiler chickes .In this experiment were used total of 600 broiler chikes at one day old were allocated aqowaly in two strain Ross and Hubberd (300 chicks for each strain). at range weight for one chick 41 and 42 g.respectively . were randomly allocated in to five replicated with 30 chicks for each replicate Also used tow treatment .chicks in the first treatment received control dite,chicks in the second treatment received multiple probiotic in the drinking water at the level of 200 ml/200L water until 20 day old and 50 ml/200L water unto 40 day old. Statistical analysis showed that exceed the Ross strain at age 8 week on hubberd strain in body weight and feed in take. But there was no significant between two strain in feed efficiency at 8 week . Also study result revaled no effect for two strain within age 8 week on mortality but the strain effect significantly on dressing percent during significant Ross strain on Hubberd strain. Also it was noticed that the interaction effect treatment and strain, strain have exceeded in Ross and multiple probiotic in body weight during significant multiple probiotic on control dite. The data showed that significant effect for the interaction between treatment and strain on mortality percent and dressing , the Ross record height dressing ratio and least mortality ratio when used probiotic .

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