Although mosquitoes and flies are not in the range of parasitic diseases, I think they are more harmful than any other parasitic disease. Therefore, they are treated as parasites because mosquitoes are transmitted by Japanese encephalitis and Eperythrozoon. Pathways, and flies are the main route of transmission of gastrointestinal diseases, with the exception of mosquitoes and flies, and diseases.
But it is very difficult to think that there are no flies and mosquitoes on the farm, because garbage and excrement as well as the fodder are the places where flies live as long as the temperature is right, and there are mosquitoes in places where there is water, and rain, waste water, etc. are all mosquitoes. Survival and breeding sites; but as long as you think that these two pests can be eliminated, here are some specific methods for pigs to solve flies and mosquitoes for reference:
First, fly control
There are many ways to solve the flies. The commonly used method is to spray flies or kill flies inside the house. However, these methods do not fundamentally solve the flies problem; the following solutions are mainly used to eliminate flies to survive and reproduce. Eradication of flies, for reference:
1. Additives: Cyperazine is a highly effective insect growth regulator that kills Diptera insect larvae, especially the common fly larvae that reproduce in the feces (ie, the sky ) has a good inhibition and killing effect. Adding feed can make the fly be destroyed before the adult, this method has a good effect in many farms.
2, to solve the fly breeding sites: Another way to completely solve the flies is also the beginning of the eggs, the method is to regularly produce pig manure every day covered with plastic cloth, by sealing the flies eggs stuffy died in the plastic cloth . This does not need to be covered every day, because it takes a certain amount of time for the fly to transform from an egg to an adult, and changing the cloth once every three days is enough to kill all eggs. Note that when you cover with a plastic cloth, you must cover it tightly. If there is a hole in the plastic cloth, you need to use soil or other things to block it tightly, and do not leak it.
This method is the first supplement, because the pig farm feedstuffs are mostly full-priced feeds and cannot be added to the feed. The feed for pigs is the worst waste, pig manure and waste It is still a breeding ground for flies.
3. Many pig farms still have a lot of flies in the pig house after adopting the above measures. The reasons are often due to lack of attention to the health of the homes. In particular, the feeding materties and suckling pigs in the maternity room do not clean the material on the ground for a long time and will change. The places where flies breed; regular examination of the spread of the house and timely resolution also reduce the number of flies to a certain extent.
If the above three methods are combined, solving flies is a simple matter.
II. Mosquito control
1. The enemy is thousands of miles away: The mosquito net covers the whole pig house with window screening. This approach is more practical in small-scale pig farms. We have experimented that if window screens are tacked on screens, they can effectively block the entry of mosquitoes. However, due to the dense screen sashes, the ventilation inside and outside the homes is seriously affected. Especially in the hot season in summer, the temperature inside the house is 2-3°C higher than when the windows are ventilated. While solving the problem of mosquitoes, it has caused a high temperature, especially when the long-term high temperature in the maternity ward reduces the intake of the sows. The high temperature in the gestation room will also increase the number of stillbirths. The large mosquito nets will wrap the entire shed. The range of ventilation inside and outside is increased, and the ventilation effect is much better. If measures are taken to install mechanical ventilation facilities, this measure will be much better.
2, the bottom of the draught: the dead water is the place to control the production of mosquito eggs, so that mosquitoes were killed before the adult; this approach is more practical in northern water areas, as long as there are areas of stagnant water every week, such as drainage, accumulation The insecticides are placed in the rainwater and most of the eggs of the mosquitoes are killed; this can greatly reduce the number of mosquitoes in the pig house.
3. Building walls: In southern China, many mosquitoes fly in from the field. If one meter of window screening is set on the wall of the farm, the number of mosquitoes coming in can be greatly reduced, plus the loss of the game. Mosquito measures are also beneficial to prevent mosquitoes. (If it can be designed to take it out during the day and hang it up at night, it will work better. It will not affect ventilation during the day, and it can be blocked by night when there is no need for heavy ventilation.)
4. Set up minefields: Some mosquito-repellent mosquito breeding methods can be considered. Because mosquito odors do not allow mosquitoes to approach, mosquito-repellent incense inside the pig house can prevent mosquitoes from entering the pig house. In terms of harm, the investment in mosquito coils is still relatively small.
5. Qingbi Qingye: Weeds are often the place where mosquitoes inhabit during the day. If there are no weeds in the farm, the mosquitoes will have no place to hide. Eliminating weeds will make mosquitoes nowhere to hide, and it is also a way to reduce mosquitoes.
6, to lure the enemy deep: in the pighouse to set mosquito lamp inside and outside, can attract mosquitoes and kill by drugs.
The above method is a practical approach adopted by the pig farm. It is hoped that the farm can be flexibly selected according to the actual situation of the farm.
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