Aquaculture Snapping Turtle Breeding Management Technology

The Snapping Turtle is one of the world's leading breeds of turtles, and is best known for its highest meat yield (85%-89%). The meat is delicate and crisp, and its nutritional value is far more than that of pigs, cattle, and lamb. It is full of treasures, meat, liver, gallbladder, blood, bones have a variety of medicinal health effects, flexible and smooth skin can make valuable leather handbags, bags and so on. Therefore, the active development of snapping turtle breeding will be very promising. At present, the price per kilogram of snapping turtles ranges from 800 yuan to 1,000 yuan.
1. Turtle Pool Construction Select a place where water is convenient, pollution-free, and convenient but quiet. The shape of the tank is the shape of a rectangular concrete arc-shaped corner of the east-west direction, or an earthen pond of the same shape but externally built to prevent escape. The area of ​​each pool is several tens of square meters to several hundred square meters; the depth of the pool is 1.2m-1.5m. The water depth is 30cm-80cm; the bottom of the pool has a slope of 10-16 from north to south, and the lowest part is equipped with a drain pipe with an escape-proof net cover; the pool corners are rounded and arc-shaped; the cover is covered with an escape-proof plate; Anti-escape wall, wall height 1m, leaving the door on the side of the wall, the wall can also be added to the top of the pool to escape the escape plate ("T"-shaped escape wall).
2. The initial stocking density of turtles in stocking (200g/only) is 24/m2-27/m2, which should be 5kg/m2 in terms of weight; but with the rapid growth of snapping turtles, Pay attention to reduce the density in time. When the average specification is 350g/only -400g/only, it should be reduced to 20/sq.m. - 22/sq.m.; when the average specification is 500g/only, 15/sq.m. - 17/sq. Rice stocking; 600g / only, according to 12 / square meter -14 / square meter stocking; 700g / only should be 10 / square meter - 12 / square meter; 800g / only, 8 / square M-9/m2.
3, feed feed can be mixed feed, it can be fresh feed. The fed amount of compound feed is 1.5%-2.5% of the total weight of snapping turtles and 5%-10% of fresh feed. Feed 3 times a day, at 6:00-7:00, 12:00-13:00, and 17:00-18:00. Feed more and evenly, and make noise as much as possible when feeding into the water. Do not concentrate on one place, resulting in feed piles. The number of feed stations per pond should be determined according to the size of the pool, usually 3 - 4 / square meter.
4. Water quality adjustment In view of the high-density intensification of turtles, turtles have more food intake and excretion, and the water temperature is higher. Even if the feed is a green feed, the pollution rate of the water is faster. The water body is prone to produce more harmful substances, especially ammoniated nitrite and H2S, and by splashing and applying photosynthetic bacteria, we can effectively improve water quality and reduce harmful substances. Each time new water is added, 1010-6-1510-6 photosynthetic bacteria are applied at the same time; changing water is also an effective method for regulating water quality. The water depth can be changed every 20 cm or so, and the water depth of 30 cm can be changed once every 2 days. Do not change the water for many days, do not allow the water to emit odors. Sprinkle quicklime every 7 days to 10 days with a concentration of 7010-6 and pay attention to cross-administration with photosynthetic bacteria. Do not use at the same time.
5, water temperature control The scientific regulation of water temperature directly affects the turtle's weight gain and survival rate, long-term under the condition of 18 °C -20 °C, the growth rate of the snapping turtle is 30 times slower than the optimal temperature of 30 °C -31 °C. It is therefore important to maintain the turtle's water temperature within 30°C-31°C. On the other hand, turtle ponds that are changing water or being exposed to the outside world should be protected in time when they encounter severe weather such as heavy rain or sudden changes in temperature, and they should try to avoid changes in water temperature greater than 2°C.
6, disease prevention Snapping turtles are generally less sick, but in high-density farming conditions susceptible to indigestion, can be fed to the diseased turtle containing multi-enzyme tablets bait (2 tablets per kg of turtle medication). Traumatic disease can be used to disinfect the affected area with iodine-stained cotton wool, coated with anti-inflammatory and myogenic cream for 2 days to 4 days.

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