Using machinery to treat livestock and poultry waste

[ China Agricultural Machinery Industry News ] In recent years, China's aquaculture industry has continued to develop, the proportion of livestock and poultry breeding industry has gradually increased, the total amount of livestock products has increased year by year, the scale farming has expanded rapidly, and the dominant production areas are gradually forming. While the livestock and poultry industry has made positive contributions to increasing farmers' incomes, it has also contributed a large amount of aquaculture waste to the rural areas, such as livestock manure and animal carcasses. The increase in the total amount of waste makes it more difficult to manage and the pollution is also growing.
Using machinery to treat livestock and poultry waste
According to Xiong Bo, an engineer at the Beijing Agricultural Machinery Testing and Evaluation Station, the impact of livestock and poultry waste on the environment is mainly caused by the large amount of excreta and waste entering the environment due to improper disposal or disposal in the process of raising and processing livestock and poultry. . He said: "The main ways for livestock and poultry waste to enter the environment are mainly three points. First, during the storage and transportation of waste, the loss of nutrients due to the washing and leaching of rainwater, due to livestock manure There are also abundant elements such as nitrogen, phosphorus and ammonia. After entering the soil, it leads to eutrophication of the soil and causes soil compaction. Second, the volatile substances in the process of stacking and disposing of livestock and poultry waste will pollute the environment such as air; Third, the direct discharge of wastewater, waste gas or solid waste (feces, dead bodies and fluff, etc.) in livestock production and processing will have different degrees of impact on water, soil and air." Studies have shown that once these pollutions enter Both water bodies and air may produce pathogenic organisms, causing epidemics of livestock and poultry, parasites and even human diseases. The consequences are very serious.
Therefore, how to properly handle livestock and poultry farming waste has become a hot topic in the agricultural sector. This year’s Central Document No. 1 clearly stated that “the implementation of agricultural clean production. Vigorously promote the ecological recycling model, accelerate the centralized treatment of livestock and poultry manure, and promote the healthy development of large-scale large-scale biogas”, thus speeding up the mechanization of livestock and poultry farming waste. Harmful and resourceful treatment is the key to solving this problem. According to Xiong Bo, the main principle for the treatment of livestock and poultry farming waste is that it originates from agriculture and returns to agriculture. Because the livestock and poultry breeding industry is generally a heavily polluting and low-profit industry, excessively high treatment costs will inevitably reduce the economic benefits of the aquaculture industry, seriously damage the interests of livestock and poultry farmers, and ultimately affect the livestock and poultry breeding industry. Continuous development. In order to ensure the development momentum of the livestock and poultry breeding industry and the green mountains and green hills in rural areas, it is necessary to increase the promotion of mechanized treatment technology for livestock and poultry breeding waste.
As we all know, mechanization is an effective way to improve production efficiency and reduce production costs. The advantages of mechanization are also applicable to livestock and poultry farming waste treatment. "At present, the mechanized treatment technology for livestock and poultry farming mainly starts from two aspects, the mechanical treatment of animal carcasses is harmless; secondly, the technical mode of recycling of manure pollution resources in farms." Xiong Bo said, "through these two The method of handling livestock and poultry farming waste has the characteristics of convenience, environmental protection, etc. At the same time, this kind of mechanical equipment is easy to operate, can be continuously operated 24 hours a day, and can treat animal corpses and livestock waste organic waste at any time to prevent the disposal of dead animals. The social problems such as environment, public health and food safety have good social benefits. In addition, experiments have shown that the harmless organic fertilizer obtained by mechanized treatment of livestock and poultry farming waste promotes the chlorophyll content in leaves to some extent. Improvement.
In the past two years, in the goal of “one reduction, two control, three basics” proposed by the agricultural sector, it was explicitly mentioned that by 2020, rural livestock and poultry manure will be basically resource-utilized and harmless. In order to achieve this goal, Li Anying, deputy director of the Agricultural Mechanization Management Department of the Ministry of Agriculture, pointed out in the speech of the training course on agricultural mechanization production technology in the spring that the utilization of livestock and poultry waste should rely more on engineering and technical equipment for collection and treatment. Transportation, application, and promote the development of ecological recycling agriculture. At the same time, local agricultural machinery departments are required to list the agricultural green development mechanization technology (including the mechanical processing technology of livestock and poultry waste) as the key content of this year's agricultural mechanization technical training work, in order to accelerate the promotion and application of this technology at the grassroots level. At the same time, various measures have been introduced throughout the country to accelerate the achievement of this goal. Among them, the Beijing area will focus on the promotion and application of harmless treatment machinery technology in large-scale aquaculture plants, and arrange processing equipment and temporary storage warehouses suitable for the scale of breeding; explore the construction of one or more harmless ones based on large-scale farms or enterprises. Handling equipment concentration points, focusing on the processing of free-range livestock and poultry bodies; planning to arrange processing equipment and temporary storage in the poultry slaughter processing plant in line with the production scale, and constructing a city-wide harmless treatment technology system to completely achieve the disease The harmless treatment of animals has made positive contributions to ensuring food safety and ecological environment safety and promoting the healthy development of the aquaculture industry.
The treatment of livestock and poultry farming waste is not a trivial matter. This is related to the production and living environment of more than 600 million rural residents across the country. Rural development requires both Jinshan Yinshan and green mountains. Properly solving the problem of livestock and poultry farming waste disposal is the key to promoting the transformation and upgrading of China's animal husbandry industry, and it is also a good thing for the benefit of future generations. To solve this problem, we must rely on advanced technology and machinery to ensure that the rural green hills will last forever and the green water will flow.

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