First, the occurrence and harm of rodents
There are about 2,000 species of rodents in the world, and the most common dominant species of rodent pests in agriculture are more than 30 species, such as yellow-throated Rattus norvegicus, Mus musculus, Apodemus agrarius, etc. The rodents are nocturnal animals and have the characteristics of peculiar tactile sense, sensitive sense of smell, well-developed hearing, poor vision, small number of meals, suspicious mice, strong reproduction, and high survival skills. Rat breeding showed a bimodal pattern (spring peaks from May to June and fall peaks from October to November). In addition to depraving food, mice have great harm to people's production and life.
Second, rodent control time and methods
The best era of rodent control in rural areas should be selected during periods when populations are growing and habitats are vacant. The ideal eradication time should be arranged before peaks occur in spring and autumn, and adopt the strategy of high-pressure ceilings. When the mouse density reaches 3%, it should be immediately organized and controlled. There are many ways to eradicate rats and practical measures should be taken to "block" and "sparse" them. Common methods include physical rodents, chemical rodents, biological rodents, and ecological control rats. Chemical rodent control (poison bait rodent control) is the most widely used method for rodent control at home and abroad. Its advantages are simple administration, high ergonomics, good efficacy, quick results, and economy. The disadvantage is that it is easy to pollute the environment and it is easy to cause poisoning to humans and animals. Farmland rodents should try their best to achieve "five unifications" and "five no leakages" (unified organization, unified technology, unified supply of drugs, unified preparation of baits, unified delivery; counties do not leak out of townships, villages do not leak out of villages, and villages do not miss out The society does not leak households, households do not leak fields.
Third, poison bait supply station technology
A "poison bait station" refers to a container capable of containing poisonous baits in which a mouse is free to feed while other animals (such as chickens, ducks, cats, dogs, pigs, etc.) cannot enter or feed. It will change the exposed bait to put the bait in the bait station made by the bamboo tube. The seasonal rodent control is a continuous control rodent. It has the advantages of high efficiency, economy, safety, environmental protection, long-lasting, etc.; children and poultry are not easily exposed to baits. The baits are not easy to be washed by rain, they are not susceptible to mildew, they can exert their efficacy for a long time, reduce the cost of rodents, and have less environmental pollution. (1) Production method: Outdoor "Poison bait station" uses bamboo with a diameter of 5-150 px or more, sawing a 40-1250 px bamboo tube, and opening the middle bamboo section, leaving 125px "ears" for rain protection at both ends of the bamboo tube. Use 375px wire to make two fixed feet for the bracket. The indoor "poison bait station" uses a bamboo saw with a diameter of 5-150 px or more to grow a 30-1000 px bamboo tube, and the intermediate bamboo section can be opened. (2) How to use: Use 1-2 bait stations per acre in farmland and 2 in each room. Place bait 20-30g for each poison bait station. After 3 days of storage, add bait according to pest feeding conditions. The poison bait station can be placed for long periods and reused. (3) Select rat poison: Choose 0.0375% decocting mouse poison baits or 0.5% bromiderum liquid (or female powder) 1:100 wheat baits formulated.
Fourth, conventional chemical rodent control
1, poison bait preparation. Use soaking method to prepare bait. According to the ratio of 1:10:190 (medicine: water: bait), dilute the liquid medicine with warm water, pour it into the already-accepted bait, stir it while adding the liquid, mix thoroughly, and finally dry it. Into a 0.0375% active ingredient killer rodent bait spare. If the food is grain, the amount of water should be increased. The grain can be dried by the grain and the absorption is even.
2, feeding methods: put bait should be "fresh, uniform, enough, all over", that is, the use of food should be fresh, can not be mildewed; drug and bait to mix evenly; feed should be sufficient; throughout the rat damage. The bait can be baited one or more times (within 48 hours). (1) Domestic rodent control: Place poison baits near rat holes and places where mice often appear, such as corners, debris piles, grasshoppers, etc. Each pile of 20 grams in the room, about 2-3 piles per room feeding, kitchen, firewood, livestock and more. The poison bait dropped should be kept for more than 3 days without being removed or shifted. If it has been exhausted within 1-2 days, it should be recharged twice. (2) Farmland control rodent: Quantitatively with the courtyard as the center, and focus on the bait. In the fields of wheat, bean, and vegetables, poison baits are placed near rat holes, fields, and mantles. In principle, 100-150 grams of directional injection or 100-150 grams per area are to be put in, and 10-15 piles of bait will be baited per acre, with 10-15 grams per pile. The specific operation is: Near the hole and more investment, Shi Yan does not vote; Tanabe more investment, the center less vote; absurd and more investment, the road does not vote; near the hospital and more vote, far less vote; Less investment; more investment near the water, less investment in droughts and floods. Can also be used to make bait station placement.
3, Note: (1) preparation of baits with fresh grains, so as not to affect palatability. (2) Dilute with hot water better than cold water dilution method. (3) If you eat poison, you can use intramuscular injection or intravenous vitamin K1 detoxification. (4) Dead rats should be disposed of deeply.
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