1. Incineration method: put the carcasses of livestock into an incineration ditch or incinerator until they are burnt into coke. General infectious diseases can be extinct at high temperature. This is also the method often used in large modern farms at present, and there are incinerators in the field for special treatment.
2. The landfill method is to dig a landfill well 500 meters away from the aquaculture plant. The depth of the landfill well is more than two meters, and it shall not be close to the underground water source. The interior of the landfill well is concrete and will not leak. Dead livestock and poultry are sealed in plastic bags and put into landfill wells, and disinfectant is sprinkled in the wells. When a landfill well is full, it is closed and closed again, and then another landfill well is dug.
If properly handled, deep burial is safe and will not cause secondary pollution to the environment. However, due to the limited soil area, deep burial is not a long-term solution and the carrying capacity of the environment is limited.
3, high-temperature cooking method, mainly used for small livestock and some meat products. It needs to be boiled at high temperature for more than 30 minutes to sterilize.
Composting is a biological treatment method. Put the corpse into a special animal carcass fermentor, and ferment and decompose the corpse through microbial fermentation to generate heat, so as to achieve the purpose of harmless treatment.
Extended data:
The Law on Animal Epidemic Prevention and other laws and regulations stipulate that animals and animal products infected with epidemic diseases, animals that have died or died of unknown causes, and animals and animal products that fail to pass quarantine inspection are ordered to be treated harmlessly and punished at the same time. If the circumstances are serious, it shall be handed over to the public security organ for investigation.
20 1 1 in July, the state issued a policy to give 80 yuan a subsidy for the harmless treatment of each pig farm with an annual output of more than 50 pigs.
People's Daily Online-Thinking about the time of dead pigs in Huangpu River: How to treat animal carcasses harmlessly?
People's Daily Online-Ministry of Agriculture issued a document: Failure to deal with dead animals according to regulations will be punished.