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Domestication and operation method for preventing and controlling hirudo parasitosis in leopard coral grouper with scatophagus argus

A parasitic disease and operation method technology, applied in the application, fish farming, climate change adaptation and other directions, can solve the problems of increasing the risk of bacterial infection on the surface of Dongxingmao, affecting the growth and survival rate of Dongxingmao, and reducing the use of drugs. , improve the growth performance and survival rate, improve the effect of breeding efficiency

Active Publication Date: 2020-10-30
ANIMAL SCI RES INST GUANGDONG ACADEMY OF AGRI SCI +1
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Problems solved by technology

After drug treatment, the density of leeches on the surface of the fish body can be reduced, but the number of leeches increases sharply in about 7 to 10 days. Repeatedly, it increases the risk of infection of the surface of the East Star Spot, which greatly affects the growth and survival rate of the East Star Spot. , leech parasitic disease has become one of the important diseases in the East star spot breeding industry

Method used

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Embodiment 1

[0025] A domestication and operation method for preventing and controlling the parasitic disease of the eastern star spotted leech by using the money fish, comprising the following steps:

[0026] (1) Cultivation of eastern star spot seedlings: According to the conventional method for cultivating grouper seedlings, the eastern star spot is cultivated to 2.5-4.0 cm in the outdoor soil pond. The seedlings are transferred to indoor cement ponds for subsequent cultivation; among them, the culture water bodies of earth ponds and cement ponds are seawater, and the seawater used needs to be filtered by sand, and the water body is clear and free of impurities after filtration; The area is 5 to 15 square meters, and the aquaculture water body is 5 to 15 tons.

[0027] (2) Disinfection after the seedlings are transferred to the cement pool: The first 3 days after the seedlings are transferred to the cement pool, the conventional aquatic povidone-iodine immersion disinfection method is u...

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Abstract

The invention discloses a domestication and operation method for preventing and controlling hirudo parasitosis in leopard coral grouper with scatophagus argus. According to the method, the scatophagusargus is added to a culture pond of leopard coral grouper for mixed culture, thereby preventing and controlling hirudo parasitosis in leopard coral grouper. The invention utilizes characteristics ofthe scatophagus argus such as omnivorous feeding, preference for eating invertebrates and benthic algaes. By domesticating feeding habit of the leopard coral grouper to eat formulated feeds, the problem that the leopard coral grouper attacks the scatophagus argus with smaller size under mixed culture is eradicated. By mixed culture method, the prevention and control of hirudo parasitosis in the field of culturing groupers is achieved, and the problem of hirudo parasitosis in the process of culturing leopard coral grouper is solved.

Description

technical field [0001] The invention relates to the technical field of aquaculture, and in particular relates to a domestication and operation method for preventing and controlling the parasitic disease of the eastern star spotted leech by using a goldfish. Background technique [0002] East Star Spot (Leopard-printed spiny perch), scientific name Plectropomus leopardus, belongs to the order Perciformes, Saphiridae, Gill-spotted perch, native to the Dongsha Islands in eastern China, because of its bright body color, tender meat, high nutritional value, cultured With the characteristics of good economic benefits and other characteristics, it has become the main species of land-based factory farming in Hainan Province. The farming output has reached 6,000 tons and the output value has exceeded 1.5 billion yuan (Xu Chengxu, Chinese scientists decipher the genome of Dongxingban, Aquatic Science and Technology Information, 2020, 47(1) : 57). Money fish, scientific name Scatophag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10A01K61/13
CPCA01K61/10A01K61/13Y02A40/81
Inventor 黄文陈华谱王国霞黄剑陈晓瑛李广丽郑春田
Owner ANIMAL SCI RES INST GUANGDONG ACADEMY OF AGRI SCI
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