Document Type : Research Paper
Authors
Abstract
This study was conducted to evaluate the effects of different levels of butyric acid triglyceride and prebiotics on performance, egg quality traits and blood lipids of laying hens. A 2 × 4 factorial experiment with 4 levels of butyric acid triglyceride (0%, 0.15%, 0.30%, 0.45%) and 2 levels of prebiotic (0 and 0.15%) based a completely randomized design were conducted. One hundred and ninety-two 33-week-old (Hy Line- W36) hens were randomly divided to 8 dietary treatments, with 3 replicates of 10 each. The results of this study showed a significant difference in percentage of egg production, egg mass and feed conversion ratio among dietary treatments (P<0.05). So that the higher percentages of egg production, egg mass production were observed in diet contained 0.15 % prebiotic alone and diet contained 0.15% acid + 0.15% prebiotic. The diet contained 0.30% acid + 0.15% prebiotic had lower feed conversion ratio. The egg weight (60.94 g) and daily feed intake (91.77 g) did not affected by dietary treatments (P>0.05). The dietary treatment did not affect egg quality traits (P>0.05). The blood cholesterol, LDL, HDL and Triglyceride were not affected by dietary treatments (P>0.05). It is concluded that supplementation of 0.15% prebiotic alone and 0.15% butyric acid triglyceride and 0.15 prebiotics together may improve the laying performance without any effect on egg quality and blood lipids parameters
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