The success of soft-shelled turtle breeding
(i) Stocking healthy seedlings
At present, the main aquaculture seedlings are Chinese seedlings, Taiwan seedlings, Thai seedlings, and hybrid seedlings. Practice has proved that Chinese seedlings have strong disease resistance, less disease, strong adaptability and strong growth advantages. Therefore, the Chinese turtle seedlings should be preferred for turtle breeding. The characteristics of healthy seedlings are body fat, body size, smooth surface, no disability, and strong activity. Seedlings should be purchased nearby so that they can easily adapt to local farming.
Turtles should be surface-sterilized before stocking: (1) Soaking with 2.5% salt for 8-15 minutes can kill the body surface parasites. (2) Soaking for 20-30 minutes with a solution of 1% salt mixed baking soda (1:1) can prevent watery mildew. (3) 20 to 30 micrograms of furazolidone mixed with 15 to 20 micrograms of erythromycin for 20 to 30 minutes can prevent bacterial diseases and reduce the turtle's stress response to the environment.
(B) create a suitable environment
Before stocking, the water color should be cultivated well, and the water should be changed regularly during the aquaculture process, adhere to the water feeding, and prevent the residual bait from polluting the water body. Store a certain area of ​​water hyacinth in the pond and a certain amount of flowers and white leeches, and regularly sprinkle photosynthetic bacteria preparations. The bottom of the pool should have a moderate muddy layer, usually 10 to 20 centimeters, and a layer of fine mud should be prepared on the bottom of Xintang. To determine a reasonable stocking density, high density does not equal high yields. With a high culture density, the greater the amount of residual baits and feces excreted, the higher the degree of pollution to the environment and the harder to control the quality of water. High density will increase the chance of scratching and biting between soft-shelled turtles, and turtles are more prone to attack. Outdoor Datang breeding, general stocking 2 ~ 3 / square meters can be. In addition, we must try to isolate the turtle culture area from the outside world and prevent the interference of unrelated people and animals in order to create a quiet environment. Breed Price Quotes.yangzhi178.cn
(c) Provide high quality food
The soft-shelled turtle is a carnivorous omnivorous animal and its diet is complicated. In the case of artificial intensive culture, in order to achieve the best results in the growth, survival rate, and product quality of the soft-shelled turtle, it is necessary to use high-quality compound feeds to add a certain proportion of fresh, non-polluting live food (such as fish, snail, and liver) for a long period of time. , eggs, vegetables, beating and compound feed mixed feeding, in order to regulate and improve the visceral function of the soft-shelled turtle. At present, the price of turtles has fallen. Some farmers use low-grade compound feeds to reduce costs. This practice is not worth the candle. There are some places where the high incidence of "white floor" disease has a certain relationship with little or no fresh feed. Of course, this is related to poor water quality control and inadequate preventive measures.
(IV) Implementing Scientific Management
1. Placement and cleaning of bait stations Turtles have the habit of moving along the edge of the pool. Therefore, bait stations are best placed on the edge of the pool around the rearing tank and they are 30 to 45 degrees from the surface of the pond. This is good for turtles to find food and avoid interference. . Apply a sterile brush to clean the bait station each time before feeding. Disinfecting drugs generally use drugs that are less irritating and convenient to formulate, such as potassium permanganate and 100-toxic drugs. The bait station and its surroundings are sterilized once every 3 days. Disinfecting drugs should be used interchangeably.
2. The amount of fresh material used for the production and feeding of bait is generally 10% to 40%. When using fresh materials, it must be disinfected, cleaned, and used immediately to prevent spoilage. The feed should be taken in the form of water feeding, and the feed can be 2 to 3 centimeters away from the water surface. The soft-shelled turtle is small and should minimize its interference when feeding. In some places, bait stations are built in pools. It is not advisable to take artificial boating or artificial water feeding. The amount of feed should be finished within 1 to 1.5 hours, and the remaining food should be collected in time for other uses. It is advisable that the feeding time in the hot season should be started before sunrise and sunset, when there is less disturbance, the bait is not easy to degenerate, and the feeding is fast and good. Breeding 178
3. Water quality regulation Aquaculture water bodies should be regularly changed water and sewage, each time the amount of water is not more than 1/3 is appropriate, if the conditions of using micro-fluid water culture will be better. In the breeding process, chlorine dioxide preparations are regularly used in 0.5 to 1 micrograms, bleaching powder in 2 to 3 micrograms, strong chlorine extracts in 1 to 2 micrograms, and quicklime in 15 to 40 micrograms in Quanchipi for disinfection and disinfection. After spraying 2 to 3 days, Quanchiposa 5 Micrograms of photosynthetic bacteria preparations can play a role in water diversion, 1 to 2 times per month. At the same time, the breeding of white peony can also play a good water transfer role (é³™60-100 tail / mu, 30é²¢50 tail / acre).
4. The surface of the water is green, and a back bench is set up in the pond. A box of 1.5 meters in length and width is surrounded by a meter about 1 meter from the bait station. The water hyacinth is grown. The water hyacinth has a well-developed root system and can absorb harmful substances in the water and transfer water. The role is also conducive to the turtle hidden, sun back, such as cool. Ponds with fewer slopes in ponds should be equipped with sun drying benches in the pool.
5. Regular inspection of the ponds and timely removal of dead and dead turtles in order to keep abreast of the turtle's feeding, growth activities, diseases, pond water quality, and facilities. Dead turtles in the pool should be removed or incinerated in time, and sick turtles should also be treated in time for isolation. Tools should be dedicated and regularly sterilized. The prevention of disease cross-infection should be avoided by preventing the combination of tools in the affected area and the health area.
(5) Improve the disease prevention system
1. Establish conditions for aquaculture facilities that meet ecological requirements, including aquaculture engineering facilities, water sources, and water quality management.
2. Implement scientific feeding management and daily operations, using high-quality, full-price, diversified and pathogen-free feeds.
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3. Use healthy seed breeding. As far as possible, young and young seedlings should be cultivated on the spot while avoiding the introduction of foreign seedlings, especially imported seedlings, in order to prevent secondary infection of pathogens. Even if introduced, strict quarantine and isolation observations must be conducted.
4. Do a good job of daily hygiene management, establish a relatively closed production system, cut off the invasion route of pathogens, and at the same time regularly (twice a month, once for 5 days or so) to feed the stomach according to the occurrence season and characteristics of the turtle disease. Promote long-term, heat-clearing, detoxifying, immunity-enhancing Chinese herbal medicines and some nutritional supplements. Add some antibacterial and antiviral drugs at the peak of the disease, and extend the bait feeding time appropriately. Because of its own vitality and resistance to disease, the soft-shelled turtle has been shown to have a certain number of individuals once it has appeared. The soft-shelled turtle is not easily detected in the early stages of disease. Therefore, regular disease prevention and timely treatment are the necessary means for the success of turtle culture.
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