Non-Phenolic Secondary Metabolites in Trees and Shrubs Foliage. Effects on Rumiant Digestion Physiology
Abstract
Using the foliage of trees and shrubs in ruminant feeding is an important alternative for the development of sustainable animal production; however, foliage contains antinutritional secondary compounds which act as defense mechanisms against microorganisms, insects, and predators. Nevertheless, some of these compounds can be beneficial for animals. There are several thousands of these compounds grouped according to the chemical substances that constitute them. The most relevant for ruminant nutrition are phenolic compounds (mainly tannins), nitrogen toxins (alkaloids, cyanogenic glycosides, toxic aminoacids, lecithin, and protease inhibitors), and terpenoids (fundamentally saponins). Some considerations on the non-phenolic secondary metabolites in the foliage of trees and shrubs and their effects on ruminant digestion physiology are discussed in this research paper.
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References
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