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Prevention and treatment technology
Daxie tail disease prevention technology, also called giant salamander, belongs to the amphibia class, there is a head, concealed family. Due to the fact that human-caused over-harvesting leads to a decline in wild resources, it has been listed as a second-class key protected animal by the state. Daxuan has high food and medicinal value and is a hot spot for people in recent years. In the process of artificial breeding of giant salamanders, big roaches tail disease is one of the common diseases. The prevention and control techniques are now described as follows: 1 Causes of major tail erosion 1.1 Impact of water quality: Otsuka is often found in deep mountain streams with flowing water, and the water quality is refreshing and free of pollution. However, the water quality of artificial breeding giant salamanders is easily contaminated, and a large number of pathogenic microorganisms are often bred in contaminated water bodies. When the giant salamander organisms are traumatized, these pathogenic microorganisms take advantage of them and cause lesions. 1.2 Influence of environmental conditions: Due to artificially cultivated breeding grounds, it is difficult to achieve the natural and environmental conditions in the wild. In particular, the newly built breeding ponds (bottoms) are relatively rough, which can easily cause skin abrasions on the skins of giant salamanders. The tail swings and is more vulnerable to damage. 1.3 The impact of stocking size and size disparity: In general, the density of artificial stocking maggots is relatively large. If there is a great disparity in specifications and sizes, when the food is lacking, often fighting for food and fighting, the individual's small competition for food is weak and often suffers from large individuals. Attacks and bites, and its tail is often the object of attack. 1.4 The impact of bait malnutrition: Euphorbia is a meat-eating amphibians, often based on animal feed, when the fed baits poor palatability, and lack of essential nutrients, especially animal protein and certain trace elements, such as Zinc, iron, calcium, micro-organisms, etc., will induce killing of big cockroaches. 2 The symptoms of large rotten tail disease are large. From the early stage of the disease, red dots or red spots often appear from the base to the tail end of the tail stem. The surrounding tissue is congested and inflamed. The epidermis is slightly gray, and when the disease period is too long, it forms lesions and lesions. A lot of pathogenic bacteria and sundries are often attached, and in severe cases, there is muscle necrosis at the lesion site, the tail skeleton is exposed, the appetite is decreased or the food is stopped, the activity ability is obviously weakened, the tail swings weak, and it will soon die. 3 Prevention Methods 3.1 Creating a Comfortable Environment: When constructing a breeding farm, consideration should be given to lighting, irrigation and drainage pipes, bait stations, and inhabiting land. Due to the unique characteristics of Hijitsu's unique light source, the brick can be built into a number of artificial tunnels. The diameter of the hole is 12 to 20cm. The hole is more spacious and the hole wall is made as smooth as possible. The breeding pond cannot be stocked immediately after it is built. Because the new cement pond has stronger alkalinity, the suitable pH of the big lotus pond is 6-7. The newly built concrete pool can be filled with water, soaked continuously for 2 to 3 days, and then dried, and repeated several times to make the pH of the pool water close to neutral, and the wall of the pool, the wall of the cave, a layer of smooth attachment, Re-distribution. 3.2 A 1% concentration of gentian violet is used for disinfection prior to stocking, and the method is to immerse the fleas for 20 minutes after the ratio of drug to water is 1:100. The gentian violet solution has little irritation to the skin of giant salamander. It can effectively prevent the surface infection of fungi and bacteria. 3.3 Control of Water Quality and Water Temperature: The water quality of the rearing pond should be kept clean and free of pollution, and the stream or spring water should be used as much as possible. And to do regular replacement of pool water, when conditions permit, the rearing pond can maintain constant flow. The suitable temperature for the growth of large larvae is 14°C～28°C. It is more important to change the pool water in hot summer. 3.4 Stocking specifications are neat: At this stage, the breeding grounds are all artificially propagated. The individual specifications are basically the same, but after a period of time, the individual size difference becomes more and more obvious. At this time, screening should be carried out, and the animals should be sorted in separate pools to avoid bullying and bullying. 3.5 Feeding high-quality bait: Dagu bait should be rich in protein and trace elements and other nutrients, such as fresh water fish and shrimp, animal organs, animal blood, scraps, etc. are good bait for bastard. When feeding feeds, adhere to the scientific methods of “timing, positioning, qualitative, and quantitativeâ€. Do not directly put animal internal organs, blood clots, leftovers, etc. into the water. Otherwise, it will easily lead to pollution of the water body. It is necessary to prevent food waste. It is also necessary to prevent some individuals from eating or eating poorly. 4 Treatment 4.1 When it is found that there is severe end-stage disease, the disease should be kept in isolation. If it is not rearranged and there is no end to it, it may affect the entire breeding farm. First, pathogens continue to spread in the pool water and infect other individuals. Second, healthy individuals can suck the blood of the affected area at any time, causing the disease to become more serious and transmit pathogens to healthy individuals. 4.2 Use 0.3 to 0.4ppm of strong chlorine concentration or concentration of 0.2 to 0.3ppm of chlorine dioxide Quanchiposa (including habitat, bait, etc.) once a day, once every 3 to 4 days for a course of treatment. 4.3 For patients with severe disease, first wash the disease with 15 to 25ppm potassium permanganate or 0.3 to 0.5ppm malachite green solution for 15 to 20 minutes, and thoroughly clean the attachments on the wound surface, and then use the treatment dragon. Ointment or sulfur ointment and other anti-inflammatory drugs coated the affected area once a day, 4 to 7 days can be cured. 4.4 Use chloramphenicol 2~3g Shikana original powder 2g+Vc2g+Ve2g+Vb2g (weight per kilogram body weight), and mix the above drugs into the bait and feed them for 3 to 4 days.