Biological treatment
1. Fermentation
Under normal circumstances, chicken manure produced in chicken farms can be directly used as crop fertilizers. However, after the accumulation of fermentation, not only can effectively kill all kinds of pathogens in chicken manure, but also greatly increase fertility. In particular, chicken manure and contaminants produced by affected chickens should be fermented. This is a good method of treating dirt. The specific method is to regularly collect chicken droppings, grass mats, etc., and pile them up in a reasonable open area (which can also be piled up in a pit, but it can not collect water), cover it with wet mud, and press it for fermentation. The seasons with higher temperatures should be piled up for more than two months of fermentation and more than three months for winter, and then used as fertilizer for crops.
2. Make biogas
A chicken farm can construct a biogas digester, collect the sewage from the cleaning sheds and utensils into a biogas digester to produce biogas. The biogas can provide energy for the chicken farm. If the biogas is insufficient, the chicken manure can be directly discharged into the biogas digester. . Biogas slurry (residue) that is fermented by biogas is also a good fertilizer, and it can also effectively kill pathogens.
3. Deeply buried
This is the most common method of harmless treatment of dead chickens and contaminants. Choose a place that does not pollute the water source and does not affect the surrounding environment. You can also dig pits for dead chickens in open areas inside the chicken farm. Pits need a certain depth, a layer of quick lime is laid on the bottom of the pit, and the thickness of the soil covered by the chicken carcass is at least 1.5 meters. Ground surface and surrounding environment covered with mud should be sprayed with disinfectant drugs. Carriage of bodies and contaminants must be carried out in containers that can be hermetically closed or in a watertight, airtight transport vehicle to prevent contamination of the environment during handling.
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