Abstract
Abstract This study was conducted to evaluate the effects of mixture of essential oils and organic acid supplementation on growth performance, blood profiles, leg bone length and intestinal morphology in ROSS broilers. A total of 40 Ross 308 broiler (1140 ±80g) were randomly allocated to 2 groups, basal diet (CON), basal diet+0.05% Avi-protect® (AVI), with 20 replicates every group, and 1 chicken per replicate per cage. The BW (P < 0.05) and weight gain (P < 0.05) of broilers were increased in the AVI group compared with the CON group. The content of triglyceride (P < 0.05) and LDL (P < 0.05) significantly decreased in the AVI group compared with the CON group. There was no significant difference on leg bone length between the AVI and the CON group (P > 0.05). the villi height (P < 0.05) and goblet cell count (P < 0.05) significantly increased in the AVI group compared with the CON group. In conclusion, the Avi-protect® as feed additives improved the growth performance and lipid metabolism and promoted the development of intestinal morphology in broilers.
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