[Objective]China is a major country in grape production and processing,with the grape planting area and output ranking among the top in the world. The by-product resources such as grape branches,leaves,stalks as well as grape residue from wine production,are relatively rich. However,due to the low level of comprehensive utilization as feedstuff,most grape by-products have not been rationally utilized,especially the grape branches and leaves,resulting in waste of resources. In order to improve the utilization of grape by-products,expand the feed sources of cattle and sheep,and to promote the healthy development of animal husbandry.[Methods]By reviewing of relevant studies,the types,nutrient content,active substance composition and function of grape by-products as well as its application in ruminant production were sorted out,and the problems and countermeasures in the development and utilization of grape by-products as feedstuff were put forward.[Results]The grape by-products contained abundant nutrients and bioactive substances,its development and utilization as feedstuff could not only expand feed sources,but also reduce feed cost and promote animal health.[Conclusion]Grape by-product would be a good animal feed,and a useful reference was provided by this article for its further development and utilization.
grape by-productutilization as feedstuffactive substanceruminant
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