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Winter management of turtle pond
Turtle is a temperature-changing animal. When the outside water temperature is below 15°C, it stops feeding, lurks in the bottom of the pool, enters hibernation, has little activity, does not eat, and only uses carbohydrates, fat, and protein stored in the body to sustain life. In the spring season of the following year, the body weight can be reduced by about 8% to 15% when it is out of the pool or when it is eaten. Therefore, before and after hibernation, feeding and management are very important. If you have a slight carelessness, it will cause illnesses, cause death of turtles, or affect normal growth in the following year. 1. Prepare for winter (1) Strengthen autumn feeding and cultivate strong tortoises In order to grow turtles robustly, increase the survival rate of overwintering and increase the fullness, after the fall, it is necessary to increase the energy content of turtle tortoise food, or add 2% ~ 3% of vegetable oil; at the same time increase the amount of feeding, extend the feeding time. As long as turtles eat, they must stick to feeding. The turtle’s parent has just finished laying eggs in the autumn, and has a higher physical energy consumption and a weaker constitution. At this time, the temperature is high, and it should be fed with fresh and easily digestible, high-protein feeds, and the amount of feed should be moderate; the amount of feed should be appropriately increased before wintering. Fat content, increase calcium, in order to accumulate enough fat in the body to enhance the ability of cold resistance during hibernation, is conducive to the next year's parent fertilization, spawning and survival. Juvenile tortoises can be easily covered with ponds to extend the growth period, or transferred to artificial greenhouses, greenhouses, adjust the water temperature and temperature to meet their growth requirements. In addition, feeding should be strengthened to improve the turtle's body resistance to disease and cold resistance. For the injured turtle turtle, we must strengthen the treatment, the right medicine; at the same time to carefully feeding and management, increase physical reserves, in order to facilitate the safe winter. (2) Selection of wintering ponds Ponds used for overwintering should be selected where the shape is relatively regular, sheltered from the wind, and quiet. The pond should be kept water and keep fertilizer. The pond area can be based on the turtle turtle's weight. The size can be as large as small, 1 to 10 mu (1 mu = 667 square meters), the water level can be more than 1.5 meters, and the bottom silt depth can be 15 to 25 Centimeter is appropriate, it is best to loam soil, easy to turtle mud winter. The overwintering pond should have sufficient water sources, be easy to inject and drain, and be easy to control the water level. The water is fresh and pollution-free, and the dissolved oxygen is sufficient. 2. Overwintering time The wintering time differs greatly between the south and the north. The southern area is from late November to mid-March. Because of its high value, turtle turtles do not generally need to be treated in parallel with the pond before going through the winter, as in the case of the four-masts. If they need to transfer, they should generally be carried out in the fall or about 20 days before they stop eating. After the wintering pool has been cleaned and disinfected, it immediately returns to water and fertilizes water quality. The transparency of the pool water should be 30-40 cm. Dismantle the potassium permanganate solution or complex iodine solution before the turtle turtle is put in the pond to prevent surface infection. If there is infection, anti-infective drug treatment is required. The stocking density is 200-300 kg per mu. 3. Overwintering management (1) The freshwater pond water level should be maintained at 1.5 to 2 meters in a timely manner. If the wintering pond microfluidic water can be maintained, the water quality of the pond can be maintained well, and the thickness of the frozen layer can be reduced and the body of ice water can be increased. Dissolved oxygen. (2) Fertilizer water quality The water transparency of the pool water should be 25 to 30 cm. The aquatic plants such as water lettuce, water hyacinth and water peanut in the pond should be promptly removed to increase the light area and intensity, and to increase the pool water temperature. At the same time, aquatic plants in the pool should be prevented from decaying and sinking, and the dissolved oxygen and toxic substances in the pool should be consumed. (3) Do a good job of adjusting the temperature of the water temperature and air temperature control artificial temperature control tank to 27 to 30°C as much as possible, and keep it stable to avoid large fluctuations and affect the turtle's feeding and activities. Turtles use the lungs to breathe. Keeping the air fresh and the greenhouse ammonia being too strong will reduce the turtle's immunity. Therefore, the dissolved oxygen, pH, ammonia nitrogen, and nitrite in pool water are the key detection and monitoring items. The use of flushing, flushing and spilling of zeolite powder, calcium peroxide, probiotics, etc., together with dietary, filter-feeding fish and other measures to control the appropriate indicators of such projects, to maintain water transparency in the 30 to 40 cm, The pH is 7.0 to 8.5, the dissolved oxygen is 4 mg/l or more, and the ammonia nitrogen is no more than 2 mg/l. (4) Adhere to the daily patrol pool, regularly test the water quality, observe changes in the pool water, make good records of the winter ponds, especially the warming and warming of pond water changes rapidly. Water change generally means that the pool water has suddenly changed from the original blue-green, green tea or pale green to milky or dark black, and gradually becomes clear and transparent. This kind of water phytoplankton has few residuals, and its photosynthesis is weak. The concentration of poisonous and harmful substances such as molecular ammonia, nitrite, hydrogen sulfide, and methane that are decomposed by oxygen in the bottom of the pool is high, and the water in the pool is severely deprived of oxygen, which can easily cause turtle toads. Acute or chronic poisoning, and cause disease, death, should pay special attention.
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