Effects of grape seed extract as a natural antioxidant on growth performance, carcass characteristics and antioxidant status of rabbits during heat stress

Archives of Animal Nutrition
Fawzia A HassanMohammed M Basyony

Abstract

The present study aimed to investigate the effects of different levels of dietary supplementation of grape seed extract (GSE) on growth performance, carcass traits and antioxidant status of rabbits under heat stress conditions (temperature humidity index 87.5-93.5). Weaned male New Zealand White (NZW) rabbits about 6 weeks old (n = 144, mean body weight 705 g) were randomly allotted to four dietary groups. The Control group was fed a basal diet without GSE; the experimental groups received the basal diet with 100, 200 and 300 mg GSE/kg (Groups 100 GSE, 200 GSE and 300 GSE, respectively). The experimental period lasted for 8 weeks. Compared with other groups, rabbits of Group 300 GSE had the best body weight gain and feed conversion ratio and the lowest mortality. Dietary GSE improved carcass weight, percentage of hot carcass, intestine and edible giblets, while total non-edible parts were reduced (p ≤ 0.05) in comparison with the Control group. In Groups 200 GSE and 300 GSE, plasma total protein, albumin and globulin were increased (p ≤ 0.05). In contrast, all supplementation levels of GSE reduced (p ≤ 0.05) the plasma concentrations of total lipids, total cholesterol, triglycerides and low-density lipoproteins. Antioxidant enz...Continue Reading

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Citations

Oct 17, 2016·Tropical Animal Health and Production·Meherzia MokniEzzedine Aouani
Mar 16, 2017·Journal of Animal Physiology and Animal Nutrition·S H Abu Hafsa, S A Ibrahim
Apr 8, 2020·International Journal of Biometeorology·Mohamed F A FarghlyMohammed Sh Abougabal
Feb 17, 2021·Veterinary Medicine and Science·Sawsan M A El-SheikhAzza A A Galal

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