Current Status and Potential of Leaf as an Alternative Protein Source for Animal Feeds.

The increased consumption of livestock, poultry, and fish products in people's diet threatens to drive production toward the use of more and more conventional crops in animal feeds. In this context, alleviating the tightening grain crop supply and ensuring the healthy development of animal husbandry through innovations in protein feedstuff production remain considerable challenges. is a miracle tree species with abundant nutrients, high protein biological value, and good feeding effect. As a new protein feedstuff, . has great potential in alleviating the feeding crisis. Here, we review available literature regarding the characterization of . in the field of animal husbandry in terms of nutrient content, digestion, and absorption characteristics, and feeding effects and present current challenges in using . as animal feed.