IMPACTS OF ENRICHING GROWING RABBIT DIETS WITH CURCUMIN AND CHLORELLA VULGARISMICROALGAE ON GROWTH PERFORMANCE, PHYSIOLOGICAL RESPONSES, CARCASS TRAITS AND ANTIOXIDANT INDICES

Document Type : Original Article

Authors

1 Department of Animal production, Faculty of Agriculture, New Valley University, Egypt

2 2-Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, New Valley University, New Valley, Egypt

3 Department of Poultry production, Faculty of Agriculture, New Valley University, Egypt

4 Animal Production Department, Faculty of Agriculture, Al-Azhar University, Assiut Branch, Egypt

Abstract

The aim of the current study was to investigate the effects of curcumin (CUR) and Chlorella vulgaris (CV) on growth, blood constituents and carcass characteristics of growing rabbits. Healthy 36 growing rabbits at 32.d of age were selected for this study and separated randomly into three similar groups (n = 12). The 1st group fed a basal diet (control). The 2nd and the 3ed groups were received 50 mg CUR / kg body weight and 500 mg CV/ kg body weight, respectively. Results showed that feed intake and growth rates increased (P ≤ 0.05) by using 50 mg CUR and 500 mg CV /kg diet, with significantly improvement in feed conversion ratio. There were no changes on albumin, globulin, urea and creatinine concentrations among treatments. However, significant decrease in total cholesterol and triacylglycerol in CUR and CV groups. Moreover, triiodothyronine, thyroxine, reduced glutathione and glutathione peroxidase were higher in CUR and CV groups compared to the control group. Additionally, significant increases were observed for carcass treats, including the weight of hot carcass, carcass yield, organs weights and carcass parts. Also, the highest value (P < 0.05) of economic efficiency, net revenue and relative economic efficiency was recorded in rabbits fed diet supplemented with CUR and CV. The presented results concluded that CUR and CV supplementation improve feed intake, blood biochemistry, growth performance, carcass treats and economic efficiency in rabbits under New Valley conditions in Egypt.

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