الفهرس 
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Abstract
A large amount of fruit and vegetable waste and by-products from the fruit and vegetable processing industry are available worldwide, promoting its use as a new source of feed in the formulation of animal rations. Currently, low reproductive efficiency in animal production undermines livestock productivity. Several attempts to resolve this obstacle (poor reproductive performance) have contributed to the identification of oxidative stress as the culprit since oxidative stress directly or indirectly impairs the efficiency of animals.
In rabbits, choice-feeding trials have been used to investigate choices between feed and forage. Despite the beneficial properties of Punica granatum L., there is currently limited research regarding its use in animal nutrition. In this study, supplementation of rabbit diets with by-products Pomegranate Peel (PP) or/and garlic powder (GP) was investigated for their performance. Serum immunoglobulin, biochemical parameters, and productivity of rabbits were evaluated.
PP has been recognized as a beneficial by-product due to its high level of bioactive compounds in the peel (Mphahlele et al., 2016). Also, Allium sativum (garlic) is used worldwide as a spice and is commonly used in the Mediterranean basin, in rabbit recipes, and herbal medicine. Prevention of several diseases sand plays an important role as an antimicrobial.