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Effect of enzyme supplementation on the performance of broilers

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Effect of enzyme supplementation on the performance of broilers

A. S. Ranade 1, B. V. Rajmane 1, M. B. Patil 2, P. M. PUNTAMBEKAR 2,
A .T. sHERIKAR 3 and D. N. Desai 1

1Department of Poultry Science
2Department of Animal Nutrition
BombayVeterinaryCollege, Parel, Mumbai - 400 012
3Maharashtra Animal & FisherySciencesUniversity,
Nagpur - 440 006

 

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Effect of enzyme supplementation to diets specifically prepared to be deficient in ME and/or CP at 10% level was studied on performance of broilers. 350 day-old chicks were divided into seven groups of 50 each as control, 10% ME reduction, 10% CP reduction, 10% ME and CP reduction with and without enzyme (Maxigest GB) supplementation @ 500 g/T for six weeks. Growth parameters, metabolic trial and economics of broiler production were studied. The groups receiving diets with reduction in CP and/or ME had significantly lower live weights as compared to control and their enzyme supplemented counterparts. When diets with reduction in these nutrients were supplemented with enzymes, differences in live weights of birds were non-significant as compared to control. This indicated that supplementation of enzymes to diets with reduced CP and/or ME levels helped to counteract effect of nutrient reduction. The differences in feed consumption of all treatment groups were non-significant when compared to control. The differences in feed consumption of birds receiving diets with reduction in CP and/or ME without enzyme supplementation were non-significant when compared to their counterparts. Feed consumption of birds receiving diets with reduction in both CP and ME along with enzyme supplementation was significantly higher than groups receiving diets with reduction in either CP or ME alone with enzyme supplementation.

The feed conversion of groups receiving diets with reduced ME alone or along with CP without enzyme supplementation were significantly poorer when compared with other groups. Differences in feed conversion ratio of birds receiving diets with reduction in ME alone with or without enzyme supplementation were significant. This trend was not observed when diets deficient in CP alone or along with ME were supplemented with enzymes. Birds from all groups receiving diet supplemented with enzymes recorded higher profits than their counterparts. Overall results indicated that 10% reduction in CP and/or ME resulted in depressed growth. Supplementation of enzymes to such diets improved the overall performance of the birds. It was concluded that enzyme supplementation is helpful in compensating the reduction in ME and/or CP upto 10% and obtaining improved performance of birds.

 

Source : IPSACON-2005
 
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