Effect of pectinase, cellulase and hemicellulase on performance and digestibility of diets in broilers

Editorial

Authors

1 Iran, Behbahan Branch, Islamic Azad University, Animal Science Department,

2 Faculty of Veterinary Medicine, Semnan University

3 Animal Science Researches Institute of Iran

Abstract

digestibility in broiler chickens fed on corn-soybean meal based diets. The experimental diets consisted of 1.corn-soybean meal based control diet 2. Control diet supplemented with pectinas, 3. Control diet supplemented with cellulase, 4. Control diet supplemented with pectinase + cellulose, 5. Control diet supplemented with pectinase + hemicellulase and 6. Control diet supplemented with pectinase + cellulase + hemicellulase. All chicks were reared under conventional commercial broiler starter diet until 15 d of age. The diets were fed to 150 broiler chicks between 15 and 35 d of age. Chicks were given experimental diets containing 0.33, 2 and 2 U/g of diet cellulose, hemicellulase and pectinase respectively. There were not any significant differences between the experimental groups in body weight gain and feed conversion ratio but the treatment that consist of 3 enzymes showed greater body weight gain and better feed conversion ratio than the other treatments. This treatment improved FCR in first, second, third week and total period of experiment 6.56, 13.08, 10.10 and 9.04 % to control group respectively. The effect of an exogenous enzyme containing pectinase+cellulase+hemicellulase on digestibility of a corn/soy-based diet was the highest. This experimental group increased organic matter and energy digestibility respectively 6.54 and 7.18 % than control group. Also supplementation of three enzymes together eventuated the highest digestibility of protein (P<0.05). It can be concluded that combinational of these enzymes is effective in improving digestibility. It is concluded that supplementation with these enzyme preparations, which can improve uniformity and decrease mortality in broiler chickens fed on maize-based diets. This improvement is achieved through enzyme effects on digestion and potential of utilization.

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Veterinary Research & Biological Products
Volume 24, Issue 3 - Serial Number 3
September 2011
Pages 13-22

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History

  • Receive Date: 22 April 2015
  • Accept Date: 22 April 2015

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