Abstract
The mass production of pigs will affect the ecological environment around the pig farm. It requires hard work and a lot of manpower and material resources. This paper investigates the ecological environment status of pig manure cleaning and treatment, antibiotic and nitrogen and phosphorus treatment in manure, and gas pollution treatment in pig farms. The development of pig house environmental monitoring and pig farm feeding automation is reviewed. It is pointed out that the research on the cleaning and disposal methods of pig excretion pollutants, the integration of these methods, and the automation and intelligence of pig breeding will become the main research trend of pig breeding.
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