Ecological breeding method of navodon septentrionalis Gunther in pond

Abstract

The invention relates to the technical field of aquaculture, in particular to an ecological breeding method of navodon septentrionalis Gunther in a pond. The method comprises the following steps of (1) preparation of the breeding pond; (2) construction of an ecological self-cleaning system of the pond; (3) pond breeding and management of navodon septentrionalis Gunther. According to the method, treated industrialized flounder breeding tail water is taken as pond breeding water, and the temperature can be maintained below 26 DEG C and above 13 DEG C, so that the temperature of the pond breedingwater is controllable; meanwhile, by putting eurythermic filter feeding shellfishes and benthic shrimps into the pond for eating residual baits, the bottom sediment environment and water cleanlinessof the pond are effectively improved; in combination with a corresponding pond breeding management technology for navodon septentrionalis Gunther, fry of navodon septentrionalis Gunther which are naturally produced in the same year can be bred in the pond and safely live through the summer and winter, the reuse of useful substances in the breeding tail water is also achieved, and bred by-productssuch as shellfishes and shrimps are harvested; the technical method has important economic, social and ecological benefits after application.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for ecologically cultivating green-finned fish in ponds. Background technique [0002] The green-finned horse-faced fish (Navodon septentrionalis Günther) belongs to the order Tetraodontiformes of the order Tetraodontiformes, the family Aluteridae of the leatherfish family, and the horse-faced fish belongs to Navodon; The Yellow Sea and the Bohai Sea are also found in North Korea, the Sea of ​​Japan and the Northwest Pacific Ocean. They are typical warm-temperature type middle and lower layer fishes, often inhabiting sea areas with a water depth of 50-120m. Greenfin horse-faced puffer spawns in late spring and early summer every year. The spawning population is mainly 2-3 year old fish, and the optimum temperature range for spawning is 15-21°C. Green finfish has high nutritional value. In addition to being eaten fresh and processed into dried fish, it can also be ma...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is that factory culture and net cage culture are the main ways of current green finfish culture, but the cost of factory culture is high, and cage culture is due to consideration of marine environment, seawater velocity, wind and waves, etc. Factors, the requirements for the specifications of the seedlings are relatively high, and the total length of the seedlings must be at least 8cm before they can be cultured in cages.