Abstract:

There are still hazardous biological factors that can affect the environment and human health in the current process of resource utilization of livestock and poultry manure. Improper treatment of the large number of pathogenic bacteria and parasitic eggs carried by manure fertilizers can lead to zoonotic diseases. This article listed the main hazardous biological factors in the process of using livestock and poultry manure fertilizer, discussed the problems existing in the current process of resource utilization of livestock and poultry manure, summarized the key prevention and control technologies for hazardous biological factors, and put forward suggestions for reasonable planning, source control and process monitoring, providing reference for ensuring the biological safety of the livestock and poultry breeding industry, preventing animal epidemics, and preventing the spread of livestock and poultry breeding sources to the environment.

Key words: livestock and poultry manure, hazardous biological factors, prevention and control