Medicine application method for seawater net cage fish culture

Abstract

The invention relates to a medicine application method for seawater net cage fish culture. An adopted medicine application device comprises a net cage, an adjustable bubble curtain netting device provided with a plurality of air distribution pipes located at the bottom of the inner side of the net cage, a medicine distribution ring provided with a medicine tank and located at the bottom of the net cage, a medicine supply device of a spiral medicine distribution pipe with the lower end communicating with the medicine distribution ring and a rotation driving device. The medicine application method comprises the following steps that (1), compressed air is sprayed out from a plurality of air distribution pipes at the bottom of the inner side of the net cage to form a bubble curtain net; (2), the air distribution pipes move towards the inner side to shrink the bubble curtain net, and fishes are driven to swim towards the inner side to be concentrated; and (3), medicine in the medicine tank of the medicine supply device is sprayed out from the spiral medicine distribution pipe and the medicine distribution ring to be applied to the fish, the rotation driving device drives the spiral medicine distribution pipe and the medicine distribution ring to rotate, the medicine is evenly distributed, the bubble curtain net prevents the medicine from flowing out, the concentration of the medicine in seawater on the inner side of the bubble curtain net is increased, and the medicine using amount is reduced. The medicine application method for seawater net cage fish culture is good in fish disease treatment effect.

Description

technical field [0001] The invention relates to the technical field of net cage culture, in particular to a medicine method for fish culture in seawater net cages. Background technique [0002] Fish farming in net cages is an important breeding mode for seawater fish; fish farming in seawater cages can be understood from a kind of marine ecological farming cage system involved in the utility model of Chinese patent application number: 201721738191.7; fish farming in seawater cages, Due to the small breeding space, high stocking density, and the increasing number of cages, the pathogens continue to accumulate, so the prevalence rate is high and the infection is fast; the common method of medication (directly spraying or hanging bag method), after application, Most of the drugs are dissolved on the surface of the water, and the drug concentration at the bottom layer is very low or even zero, and the fish will go to the bottom of the cage due to the drug reaction, and the water...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the disadvantages of poor therapeutic effect and long-term cure of fish diseases in the current common medication method to treat fish diseases, and to provide a drug method for fish culture in seawater net cages with good effect on treating fish diseases

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