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Recently, industrial and agricultural by-products, resulting from crops, fruit and vegetable processing which can be used in animal diets have become a hot topic in the animal feed industry. This review focuses on the agro-industry by-products as feeds, not only for the nutritional values, but also for their nutricine contribution. In this review, we described the chemical composition of some by-products as feeds and their limiting factors in animal feeding.
Yang et al. (Wed,) studied this question.