Abstract: Barley（Hordeum vulgare）belongs to gramineous plants. As one of the most widely used cereals in China, it is extensively used in brewing, food, medicine and other fields. The seedlings, leaves, straws and malts of barley have high nutritional value and feeding value, and they can be used as feed sources for livestock and poultry. The development of barley as a livestock and poultry feed product can not only alleviate the shortage of livestock and poultry feed sources, but also improve the economic benefits of livestock and poultry farming. This paper introduced the nutritional value of barley, and reviewed the research progress of its application in livestock and poultry feed, in hoping to provide references for the development and utilization of barley in the field of livestock and poultry feed.

Key words: barley, nutritional value, livestock and poultry feed, application