In the summer and autumn, climate change is erratic, and flies and mosquitoes breed in large quantities, which accelerates the spread of animal diseases and brings security risks to the breeding industry. Therefore, pig farms should be kept in summer and must be protected against mosquitoes scientifically and effectively.

Environmental control is the most fundamental method for controlling mosquitoes and flies, including the removal of breeding sources, the biological fermentation of livestock and poultry excrement and other culturing organisms, maintaining a good hygienic condition, etc., making it unfavorable for the survival of mosquitoes, flies, larvae and adults. Attract female flies to lay eggs.

Most of the large-scale farms in rural areas are relatively geographically remote, and it is difficult to conduct comprehensive management of the wilderness environment. Weeds can be used to remove the weeds around the house, and the plastic gauze is used to close the gates and doors of the houses to prevent flies and mosquitoes from intruding into the housing. Flies eliminate the flies, and nights use photocatalysts to eradicate mosquitoes to prevent flies and kill mosquitoes.

The use of chemical methods to prevent mosquitoes and flies should follow the principles of economy, simplicity, safety, and efficiency. First of all, when entering the summer season, the walls of the breeding houses shall be painted with quicklime water on the inside and outside, and quicklime shall be sprinkled on the four corners of the wall. This will not only prevent heat and reduce temperature, but also achieve the effect of insecticidal sterilization; secondly, In the farm house, two methods of stop surface application and space spraying can be selected. Apply pesticide on the stopover surface, select insecticides with insecticidal action, and spray on the surface of the fly-catching objects. For walls and roofs with heights of more than one meter in the room, use high-concentration and large-dose chemicals for surfaces with strong water absorption. Multiple spray brushes, poor water absorption of the surface is the use of high concentrations of low-dose drugs; agents can use 48% chlorpyrifos, diluted 150 to 200 times, or Keno dilution 200 to 300 times. Space spraying can use 5% insecticidal net suspension agent, 6% chlorinated insecticidal oil, 5% veterinary safety net suspension agent and other agents. For pig farms, high-efficiency pesticides can be used on a regular basis, and sprayed on the outside walls of the pens, septic tanks, sewage ditch, reservoirs, debris dumps, etc., so that flies, cockroaches, and mosquitoes can survive.

When chemical methods are used to prevent mosquitoes and flies, non-toxic or less toxic drugs are used to ensure effective killing of mosquitoes and flies, and to ensure normal growth and development of live pigs.

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