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A method for improving the survival rate of artificial seedlings of hippocampus

A technology of survival rate and hippocampus is applied in the prevention and control of diseases in the artificial breeding of small marine fish, and the field of improving the survival rate of artificial breeding of seahorses can solve the problems of reduced survival rate of seedlings, easy adhesion of dirt, and easy infection of bacteria. , to reduce the occurrence of diseases, facilitate the growth and improve the survival rate.

Active Publication Date: 2019-07-02
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In most cases, the seawater used in the artificial breeding of seahorses is only used directly after simple sand filtration. The parent seahorses are not strictly disinfected before calving and feeding. Hippocampus Seedlings
According to the living habits of seahorses, it is necessary to put some objects in the breeding pond for them to entangle and inhabit during artificial breeding or breeding. The traditional entanglements mainly include thin bamboo wires, polyethylene ropes, polyethylene inflatable tubes, etc., but these objects are in the sea. After soaking in water for a long time, dirt is easy to adhere to, leading to the growth of bacteria, which seriously affects the water quality, thus causing the occurrence of hippocampus diseases and reducing the survival rate of seedlings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 Adopt the method of the present invention to carry out artificial seedling cultivation of hippocampus according to the following steps:

[0021] (1) Disinfection treatment of seedling water: the bottom area of ​​20 m 2 , 1.7 m deep indoor cement pool for seawater disinfection treatment, after cleaning, add sedimented and sand-filtered seawater, the water level of seawater is 1.5m, and then add 2400mL of sodium hypochlorite with a chlorine content of 20%, and inflate for 30 minutes to make the sodium hypochlorite After 11 hours, use 150g of sodium thiosulfate to neutralize and aerate for 7 hours and 30 minutes, until the residual chlorine in the water body disappears completely, and the sterilized seawater is obtained, and then the sterilized seawater is pumped to Nursery pool for standby;

[0022] (2) Detoxification treatment of seahorse species and bait: Gently pick up the seahorse species that are about to give birth with a hand net, then put them into s...

Embodiment 2

[0026] Embodiment 2 adopts the inventive method to carry out artificial seedling cultivation of hippocampus according to the following steps:

[0027] (1) Disinfection treatment of seedling water: the bottom area of ​​20 m 2 , 1.7 m deep indoor cement pool for seawater disinfection treatment, after cleaning, add sedimented and sand-filtered seawater, the seawater level is 1.5m, then add 2700mL of sodium hypochlorite with a chlorine content of 20%, and inflate for 30 minutes to make the sodium hypochlorite After 11 hours, use 150g of sodium thiosulfate to neutralize and aerate for 7 hours and 30 minutes, until all residual chlorine in the water body disappears, and then pump the sterilized seawater to the seedling pond for standby;

[0028] (2) Detoxification treatment of seahorses and bait: Gently pick up the seahorses that are about to give birth with a hand net, then put them into seawater with a formalin concentration of 110ppm for 2 minutes and 30 seconds, and use the ster...

Embodiment 3

[0032] Embodiment 3 adopts the inventive method to carry out artificial seedling cultivation of hippocampus according to the following steps:

[0033] (1) Disinfection treatment of seedling water: the bottom area of ​​20 m 2 , 1.7 m deep indoor cement pool for seawater disinfection treatment, after cleaning, add sedimented and sand-filtered seawater, the water level of seawater is 1.6m, then add 3000mL of sodium hypochlorite with a chlorine content of 20%, and inflate for 30 minutes to make the sodium hypochlorite After uniform distribution in the water, stop aerating; 11 hours later, use 180g sodium thiosulfate to neutralize and aerate for 7 hours and 30 minutes, until all residual chlorine in the water body disappears, and then pump the sterilized seawater to the seedling pond for standby;

[0034] (2) Detoxification treatment of seahorse species and bait: Gently pick up the seahorse species that are about to give birth with a hand net, then put them into seawater with a for...

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PUM

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Abstract

The invention discloses a method for increasing the survival rate of artificial breeding of hippocampus kuda Bleeker. The method aims at solving the prominent problem that by means of current artificial breeding of hippocampus kuda Bleeker, diseases are severe, and consequently the breeding survival rate is affected. The method comprises the steps that breeding water is sterilized with sodium hypochlorite and neutralized with sodium thiosulfate in sequence, and hippocampus parents and biological bait are disinfected with formalin; at the breeding stage, when young hippocampus kuda Bleeker grows to a certain size, copper core wires are charged for as hangers-on of the young hippocampus kuda Bleeker. According to the method, a breeding water body, stud hippocampus kuda Bleeker and the fed bait are all strictly disinfected, carried bacteria can be effectively killed, and the bacteria are prevented from infecting the young hippocampus kuda Bleeker; dirty matter attached to the charged hangers-on is easy to clean, pollution to the breeding water body can be reduced, therefore, diseases occurring during hippocampus breeding are reduced, the breeding survival rate is increased, and the specific shape is more suitable for the living habits and growing characteristics of the young hippocampus kuda Bleeker. The method is easy and convenient to operate, cost is low, and the technology is easy to grasp.

Description

technical field [0001] The invention relates to a method for preventing and treating diseases in artificial seedlings of small seawater fish, in particular to a method for improving the survival rate of artificial seedlings of seahorses, belonging to the technical field of aquaculture. Background technique [0002] Seahorses belong to the genus Hippocampus of the family Trignathidae, and are widely distributed in tropical, subtropical and temperate areas where seaweed and seaweed grow luxuriantly. When it is still, it wraps its tail around objects that can be attached to seaweed and the like, and sometimes drifts with the floating objects. There are more than 30 species of seahorses in the world, and there are 5 species of seahorses common in the coast of my country, namely the big seahorse, the lined seahorse, the three-spotted seahorse, the small seahorse and the spiny seahorse. The hippocampus is flat and tall, with a protruding abdomen, and the trunk is composed of 10-1...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 罗杰刘皓王中铎刘丽李锋刘楚吾
Owner GUANGDONG OCEAN UNIVERSITY