Research Status of Fermentation Technology and Equipment for Producing Organic Fertilizer from Livestock and Poultry Breeding Waste

With rapid development of animal husbandry, there is an urgent need for harmless treatment of livestock and poultry breeding waste．Targeting energy-saving treatment methods for livestock and poultry breeding waste, production process of organic fertilizer from livestock and poultry breeding waste, fermentation technology for organic fertilizer production, and classification, composition, and working principle of fermentation equipment, advantages, disadvantages, and research status of organic fertilizer production technology and equipment were summarized, and prospects for development direction of organic fertilizer equipment were provided．