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Abstract

IMPACT OF COMMERCIAL MULTI-ENZYME NUTRIKEM EXTEND ON BROILER PERFORMANCE, MEAT QUALITY, SERUM BIOCHEMICAL PARAMETERS AND ECONOMIC EFFICIENCY

Faisal Sayed Abdalgalil Nasr, Mukhtar Ahmed Mukhtar* and K. A. Mohamed

Abstract

A field study of 42 days broiler feeding trial was carried with a total of 140 one day unsexed old Cobb 500 chicks, to investigate the impact of added multi-enzyme NutriKEM Extend on top (combination of glucanase, xylanase, α-amylase and protease) on performance, serum biochemical indices and economic efficiency, when offered during a different broiler growing stages. Diets of broiler starter and finisher based on sorghum-groundnut cake were formulated in a mash form according to (NRC, 1994) to meet the nutrient requirements and served as control diet (diet that did not receive multi-enzymes). Birds were allotted to a completely randomized design of 4 experimental dietary groups (A, B, C, and D), of similar initial body weight, each group was given 35 experimental birds (5 replicates or pen with seven birds of each). Group (A) was fed on the control diet during the whole feeding time, group (B) was fed the multi-enzyme supplemented diet during the starter phase only(day 7 -21), group (C) was fed the multi-enzyme supplemented diet during the finisher phase only(day 22-42), whereas group (D) was fed the multi-enzyme supplemented diet during the whole feeding period (day 7-42). Results showed that, feed consumption, body weight gain, FCR and slaughter weight were significantly affected by feeding duration (pvalue > 0.05), increased feeding duration positively improved both weight gain, and final live body weight, feeding regimen had no influence on blood serum constituents, moreover, feeding duration did not affect meat sensory parameters, meat chemical analysis, except for protein content.

Keywords: Multi-enzyme, NutriKEM Extend, feeding duration, broiler performance, serum constituents.


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