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Asian Journal of Animal and Veterinary Advances

Year: 2016 | Volume: 11 | Issue: 5 | Page No.: 280-287
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Authors

H.A. Ahmed

R.M. Abou- Elkhair

Keywords

Research Article

Potential Application of Guar Meal in Broiler Diet

H.A. Ahmed and R.M. Abou- Elkhair
Objective: Guar Meal (GM) is the main by-product of guar gum production with a high protein content. The high amino acid content of the guar meal make it a useful protein supplement for broilers and layers. Methodology: This study was conducted to evaluate the effects of feeding 2 levels of guar meal (7.5 and 10% of the diet) with or without two types of enzymes supplementation (Hemicelle and Avimex 200 g t–1 on growth performance, immunity, nutrients digestibility, carcass traits and blood biochemistry of broilers chickens. A total of 210 (Cobb) day old chicks were randomly allotted into 7 treatments, each treatment comprised 3 replicates with 10 birds each. Results: The results indicated significant positive effects of enzymes on body weight gain and feed conversion ratio, which was clear in groups fed on GM at level 7.5% with either hemicelle or Avimex. No significant differences were recorded in serum total protein, albumin and total cholesterol however, birds in groups of 10% GM revealed higher triglycerides and lower glucose level when compared with control. Moreover, enzyme supplementation resulted in significant higher serum High Density Lipoprotein (HDL) and dressing percentage. All treatments were increased in relative liver and gizzard weight and decreased in abdominal fat compared to control. Inclusion of GM in broiler diet decreased serum antibody titer at 21 and 42 day of age compared to control but enzyme supplementation significantly alleviate this bad effect. Lower nutrients digestibility due to GM was noticed but both two enzymes supplementation significantly improved it at 7.5% GM but at level 10%, only Avimex was more valuable. Conclusion: It was concluded that broiler diet containing GM at a level of 7.5 and 10% should be supplemented with carbohydrase enzymes, such as hemicelle and Avimex.
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