University of Khartoum

Effect of Enzyme Mixture Supplementation in Broiler Local Diets on Performance and Nutrient Digestibility

Effect of Enzyme Mixture Supplementation in Broiler Local Diets on Performance and Nutrient Digestibility

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Title: Effect of Enzyme Mixture Supplementation in Broiler Local Diets on Performance and Nutrient Digestibility
Author: Anass Ahmed, EL Maki
Abstract: Two experiments were conducted to determine the effect of added levels of enzyme mixture on the performance of broiler starter and finisher chicks, fed diets based on sorghum. In addition, a digestibility trial was conducted in the starter and finisher periods to determine the effect of added enzymes on the digestibility of nutrients. Starter (0-4wks) and finisher (5- 7wks) rations were formulated to meet the requirements for all nutrients as indicated by NRC(1984) for both periods, with a ME of 3025 kcal/kg in the starter ration and 3085 kcak/kg in the finisher ration. Four diets treatments in each period were used containing graded levels of enzyme mixture (0, 50, 100, 150 mg/kg). Three hundred broiler chicks were randomly distributed to four experimental treatments with three replicates of 25 chicks each in a completely randomized design. Results of the starter and finisher experiments showed that weight gain, feed intake and feed/gain ratio were significantly improved (P < 0.05) with increasing levels of enzyme mixture in both diets. The digestibility trial also reflected a significant increase (P<0.05) in the digestibility of dry matter, protein, fiber and fat in both starter and finisher chicks with increasing levels of enzyme mixture in the diet. However, this improvement was always higher in the finisher than in the starter chicks.
URI: http://khartoumspace.uofk.edu/handle/123456789/14446
Date: 2015-06-23


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