Abstract:

Straw is the largest renewable resource in the world. It can realize the use of renewable resources, relieve the energy resources crisis, protect the environment and realize the sustainable development of agriculture and economy by the economic and effective utilization of straw. However, the complex structure of cell wall limits its application in the animal husbandry and industry. In this paper, the present situation and nutrition characteristic of straw was analyzed, and the pretreatment methods of physical, chemical, combined physical and chemical, and biological at present were discussed. It provided the references for the utilization of straw resources and the development of animal husbandry.