Plant extracts to promote growth and feed efficiency in beef cattle

Research in animal nutrition also contributed to a deeper knowledge of digestive physiology, requirements, as well as a better knowledge of raw materials and their nutrient contents. Therefore, improvement in animal performance has been remarkable over the following decades. In the field of animal nutrition, livestock performance has also been greatly improved through the supplementation of antimicrobial growth promoters (AGPs) which are antimicrobial agents fed at a non-therapeutic concentration level.

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