Are rats pests?

The mouse is not a pest, but it is one of the four abominable pests. It belongs to mammals and can steal food, spread diseases, destroy farmland, woodlands and so on. Do you know what the four evils are? Let's get to know it together.

What are the four evils in our country?

The four evils now are different from those in the past. The original "four evils" refer to flies, mosquitoes, mice and sparrows, but now the "four evils" have replaced sparrows with cockroaches, so now the four evils are flies, mosquitoes, rats and cockroaches.

How to prevent and cure the "four evils"?

1. Fly

Flies have the physiological characteristics that a single mating can lay eggs for a lifetime. A female can lay eggs 5-6 times in a lifetime, and the number of eggs laid each time is about 100-150, up to about 300. It can reproduce 10-12 generations in one year.

Prevention and control: first of all, it is necessary to do a good job in environmental sanitation and keep the environment clean; the daily production of garbage is clear, and the garbage of special industries must be disposed of in time; the feces should be treated innocuously, and the toilet should be popularized and harmless, and the cover of the manure tank should be sealed; for those nourishing organisms that can not be removed thoroughly in time, organophosphorus pesticides should be used to kill larvae, 5-7 days in summer and autumn, and 10-12 days in winter and spring.

two。 Mouse

Rats often haunt sewers, toilets, kitchens, etc., moving back and forth between bacteria-carrying places and clean places, spreading pathogens through rat feet, body hair and stomach carriers.

Prevention and treatment: commonly used rodent control methods are equipment rodent control and drug rodent control, such as rodent clamp, anti-rodent iron cage, etc.; commonly used drugs are anti-rodent sodium salt, zinc phosphide, Dalong and so on.

3. mosquito

The average life span of mosquitoes is not long, 3-10 days for females and 10-20 days for males.

Prevention and control: to eliminate mosquitoes, we should get to the root of the problem, that is, eliminate the breeding places of mosquitoes, supplemented by killing larvae and controlling the occurrence of mosquitoes. Mosquito incense, mosquito paper and electric mosquito repellent devices can be used in summer. Mosquito nets, screen doors, screen windows and so on can effectively prevent mosquito bites.

4. Cockroach

Cockroaches are rotten eaters who like to go out day and night and live in caves. It can withstand the test of extreme heat and cold, and its distribution is quite wide.

Prevention and control: can be artificially killed, such as the elimination of adults and larvae, during the day can clean cabinets and drawer table, see and kill. Or spraying ant cockroach Ning, aerosol insecticides, pyrethroids, trichlorfon and so on are effective.

The places where the four evils often occur are generally poor sanitary conditions, so we must ensure that the homes are hasty, hygienic and tidy, so as to avoid the "four evils".