Muddy habits

Loach is a warm-water fish. It has strong ability to adapt to the environment. It mostly inhabits in shallow waters such as ponds, ditches, lakes and paddy fields where there is still water or slow flow. It usually lives on the bottom of water, and sometimes it prefers to dig into mud. Acidic mud. Loach can not only use baboon breath, but also can use skin and intestinal respiration. Breathing with the intestines is a unique physiological phenomenon of mud. The mud wall is thin and rich in blood vessels. It has the function of assisting respiration and gas exchange. When the dissolved oxygen in the water is insufficient, it can penetrate the water to swallow and suck air. After gas exchange in the intestine, exhaust gas is discharged from the anus. Its resistance to anoxic conditions is far better than that of other farmed fish. Therefore, it is a kind of farmed fish species with great potential for yield increase. According to the seal experiment, when the solution oxygen in water was as low as 0.46 mg/l to 0.48 mg/l, the mud began to die. In the case of pond rearing, the loach swims to the surface of the water and deflates the air during anoxic conditions. Therefore, even if the dissolved oxygen is less than 0.16 mg/L, it is still safe. Mud growth water temperature range of 13 °C -30 °C, the optimum water temperature is 25 °C -27 °C, when the water temperature drops below 5 °C -6 °C, or the summer water temperature up to 34 °C -35 °C or more, even when the drought and water, It will dive into the 10 cm to 30 cm layer of mud for "sleep." During the dormancy, as long as there is moisture in the soil, a little bit of moisture moistens the skin and life can be maintained. The mud is good for escape. When the water rises during the spring and summer season, the pool wall is slightly leaky and will escape overnight. Therefore, breeding mud loach must be strengthened to prevent escape management. There must be anti-escape equipment at the inlet and outlet.

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