Nested culture method for cold water fishes and normal-temperature fishes

Abstract

The invention discloses a nested culture method for cold water fishes and normal-temperature fishes. The method comprises a culture pond, the culture pond is internally provided with a cold water area, a heating bin and a normal temperature area in the horizontal direction, the culture pond is provided with a moving area and an excrement area in the vertical direction, the heating bin is internally provided with a heating plate, and one side of the culture pond is provided with a cooling purification pond. A main flow pipeline is fixedly installed at one end of the cooling purification pond, a booster pump is fixedly installed on the main flow pipeline, a water inlet spray head is fixedly installed at the output end of the booster pump and located on one side of the cold water area, and a transfer collecting barrel is connected to the side, located on the normal temperature area, of the culture pond. A filtering plate is fixedly installed at the central position in the transfer collecting barrel. A sealing cover plate matched with the filtering plate is hinged to the transfer collecting barrel. In the using process, cold water fish and normal-temperature fish nested breeding is adopted, water resources are saved, control is convenient, and the survival rate of the cold water fishes and the normal-temperature fishes is increased.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a nested culture method for cold-water fish and normal-temperature fish. Background technique [0002] Cold-water fish like to inhabit mountain streams with clear water, gravel bottom, and sufficient dissolved oxygen. The growth limit temperature of adult fish is 0-30 degrees, the suitable growth temperature is 12-20 degrees, and the optimum growth temperature is 16-18 degrees. In the suitable temperature range, the food intake is vigorous, the growth is rapid, and the body maintains a good metabolic state. Below 8 degrees or above 20 degrees, loss of appetite and slow growth. If it exceeds 24 degrees, feeding stops, the body fails and even dies. 27-30 degrees, short time. Therefore, the water source for cultivating cold-water fish needs clear micro-flowing water, which is not turbid or polluted. The annual water temperature changes within the range of 5-20 degrees, and t...

AI Technical Summary

Problems solved by technology

Therefore, the water source for cultivating cold-water fish needs clear micro-flowing water, which is not turbid or polluted. The annual water temperature changes within the range of 5-20 degrees, and the annual average water temperature is 8-15 degrees. The ambient water temperature is between 20 and 30 degrees. At present, the growth environment of cold-water fish and normal-temperature fish is different. If they are cultivated separately, a large amount of water resources will be consumed in this process, which is not conducive to the concept of saving and environmental protection. Therefore, in order to solve this problem To deal with such problems, we propose a nested culture method for cold-water fish and normal-temperature fish

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