Impact of Using Aqueous Rosemary Extract on Hematological Parameters, Carcass Traits, Meat Chemical Composition and Economical Efficiency of Rabbits Under New Valley Conditions

Document Type : Original Research

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Department of Animal Production, Faculty of Agriculture, New Valley University, Egypt.

Abstract

This work investigated the impacts of aqueous rosemary extract (ARE) on hematological parameters, carcass traits, and meat chemical composition of rabbits. 48 healthy rabbits at 30 d of age were randomly splatted into 4 groups with 4 replicates (3 rabbits each) per group. All rabbits were randomly assigned to treatment groups.. The 1st group treated as control. The 2nd to 4th groups were received daily water supplements with ARE at doses of 5, 7.5 and 10 ml/L, respectively. The whole experiment lasted 60 days; Results showed that there were no changes on hematological parameters among treatments. Additionally, significant increase was observed for carcass performance, including the weight of hot carcass, carcass yield, organs weights, and carcass parts. No significant differences among treatments in composition of meat were observed. The highest value (P<0.05) of economic efficiency, net revenue and relative economic efficiency was recorded in rabbits treated with ARE. The presented results concluded that ARE supplementation improves carcass performance, meat chemical composition and economic efficiency in rabbits under New Valley conditions.

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