in the canvas pond? It is difficult to discharge sewage in the canvas pond, which requires manual operation. The specific method is similar to changing water, which is pumped out from the bottom by pump or siphon method, together with residual bait and feces. Compared with conventional earth ponds, the biggest problem of canvas ponds is that they can not decompose organic matter, so the cleaning of dirt is particularly critical, otherwise the water quality will be polluted and shrimp will die in large numbers.
1, choose pond: canvas pond to raise shrimp should choose right pond above all, the norms of this kind of pond has a lot of, it is OK to use 10-15 square metre commonly, if want to use bigger word, must notice the structure such as steel pipe is fixed, still can have the risk that fall apart otherwise.
2. Oxygenation equipment: Shrimps have a high demand for oxygen, so it is necessary to install oxygenation equipment in the canvas pond to ensure sufficient dissolved oxygen in the water body and sufficient light, so that aquatic plants can release oxygen through photosynthesis.
3. Provide shelter: In order to avoid the killing of shrimps, it is necessary to provide some shelter in the pond, because these animals will regularly shed their shells and grow. After shelling, they are more fragile and may become food for the same kind. Shelter can improve the survival rate.
4. Pay attention to feeding: When raising shrimps in the canvas pond, you must pay attention to feeding. The amount of feeding should not be too large, because the canvas pond can not decompose organic matter, so it can be controlled at 7-8%.
