In recent years, Chishui City has accelerated the transformation and upgrading of animal husbandry to scale and standardization by strengthening manure treatment facilities and equipment, and livestock and poultry manure has been used for agricultural production through resource utilization to effectively prevent and reduce livestock and poultry breeding pollution.
How to make the utilization of manure resources form a long-term management mechanism, Chishui City through the city's farms to conduct a comprehensive inspection, take a "one policy" approach, the local pig breeding arrangements for special personnel to supervise, rectify. Carry out grid management of the farm, conduct regular and irregular supervision and inspection, check whether the ledger is established perfectly, whether the facilities and equipment are operating normally, and if problems are found, they will promptly supervise and rectify.
In Chishui City Phoenix Pig Farm, there are more than 700 pigs, a pig produces an average of 4 kg of manure per day, pig manure produced in the pig farm every day reached more than 1,000 kg, after the pig farm separates the manure from dry and wet, nearby farmers will come to buy dry manure every three to five years, becoming organic fertilizer in the vegetable field. The separated wet manure is fermented as fuel through sedimentation tanks and biogas digesters, and the comprehensive utilization rate of livestock and poultry manure reaches 100%, and the random discharge of feces and the smell of odor have become a thing of the past.
Guizhou Zhuxiang Chicken Breeding Co., Ltd. has more than 80,000 sets of chickens, the daily production of chicken manure reached about 3 tons, the company uses automatic feeding and fecal cleaning facilities, chicken manure through the conveyor belt transported to the pile of manure, manure treatment facilities equipment matching rate of 100%.
At present, Chishui City has a total of 169 farms with more than 50 pigs, including 41 large-scale farms, all farms of all sizes implement rain and sewage separation and dry and wet separation, and have built facilities and equipment such as biogas digesters, sedimentation ponds, fecal accumulation fermentation farms (ponds) and dry and wet separators, and the matching rate of manure treatment facilities and equipment has reached 100%, and all livestock and poultry manure have adopted the method of resource utilization for agricultural utilization. In 2020, the comprehensive utilization rate of livestock and poultry manure in the city reached 81.36%.
In order to further strengthen the responsibilities of the department, Chishui is organized at different levels in accordance with the requirements of the comprehensive utilization and inspection system, and regularly carries out supervision and inspection. At the same time, further strengthen technical training and guidance, in the process of livestock and poultry breeding, comprehensively implement the circular development model, in accordance with the principle of 'dry and wet separation, rain and sewage diversion, water-saving breeding, recycling', through biogas tank treatment, organic fertilizer production and other ways, the breeding manure is graded and utilized, and supporting the planting and consumption base, turning waste into treasure, continuously improving the level of comprehensive utilization, for new, reconstructed and expanded farms, under the premise of comprehensive assessment of environmental carrying capacity, strictly implement environmental impact assessment and ' The three simultaneous ' system, curb the pollution of livestock and poultry breeding from the source, and achieve the green development and healthy development of the industry.
Source: Chishui Bureau