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Compound feed for improving survival rate of Sciaenops ocellatus

A compound feed and survival rate technology is applied in the field of compound feed for improving the survival rate of red fish, and achieves the effects of improving the immunity and digestive ability of red fish, reducing the fishy smell of red fish, and improving disease resistance.

Inactive Publication Date: 2016-06-08
钦州市钦州港七十二泾渔业养殖专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Scholars at home and abroad have done a lot of research on the specific immunity and specific immune mechanism of fish and its disease prevention and control methods, from general serological methods to the cellular level, subcellular level and molecular level of immune organs and tissues. However, there are few research reports on the immune control of American redfish

Method used

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  • Compound feed for improving survival rate of Sciaenops ocellatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1) Choose Fangchenggang with barriers of islands and reefs, the seabed is gentle, the slope is small, the bottom is muddy or silty, the water depth is more than 10m, the seawater flow is straight and stable, the flow rate is 0.5-2m / s, and the salinity is 20-30. pH7.8~8.6, water quality transparency above 30cm, dissolved oxygen 5mg / L, non-pollution open sea area, sea water quality index conforms to the provisions of the Ministry of Agriculture of the People's Republic of China on the water quality of pollution-free food mariculture water. Put 100m in the offshore area more than 150m from the shore 3 Cage, the mesh of the cage is 5mm;

[0019] 2) Select American redfish species with a body length of 8-10cm, an average weight of 50g / tail, and a healthy body, well-proportioned body shape, smooth body surface, complete scales, and no disabilities. Stop eating for 1-2 days before shipment. Put them into cages at low tide, the water temperature is above 15°C, and the stocking...

Embodiment 2

[0025] 1) Choose Fangchenggang with barriers of islands and reefs, the seabed is gentle, the slope is small, the bottom is muddy or silty, the water depth is more than 10m, the seawater flow is straight and stable, the flow rate is 0.5-2m / s, and the salinity is 20-30. pH7.8~8.6, water quality transparency above 30cm, dissolved oxygen 5mg / L, non-pollution open sea area, sea water quality index conforms to the provisions of the Ministry of Agriculture of the People's Republic of China on the water quality of pollution-free food mariculture water. Put 100m in the offshore area more than 150m from the shore 3 Cage, the mesh of the cage is 10mm;

[0026] 2) Select American redfish species with a body length of 8-10cm, an average weight of 50g / tail, and a healthy body, well-proportioned body shape, smooth body surface, complete scales, and no disabilities. Stop eating for 1-2 days before shipment. Put it into the net cage when the tide is low, the water temperature is above 15°C, a...

Embodiment 3

[0032] 1) Choose Fangchenggang with barriers of islands and reefs, the seabed is gentle, the slope is small, the bottom is muddy or silty, the water depth is more than 10m, the seawater flow is straight and stable, the flow rate is 0.5-2m / s, and the salinity is 20-30. pH7.8~8.6, water quality transparency above 30cm, dissolved oxygen 5mg / L, non-pollution open sea area, sea water quality index conforms to the provisions of the Ministry of Agriculture of the People's Republic of China on the water quality of pollution-free food mariculture water. Put 100m in the offshore area more than 150m from the shore 3 Cage, the mesh of the cage is 10mm;

[0033] 2) Select American redfish species with a body length of 8-10cm, an average weight of 50g / tail, and a healthy body, well-proportioned body shape, smooth body surface, complete scales, and no disabilities. Stop eating for 1-2 days before shipment. Put it into the net cage when the tide is low, the water temperature is above 15°C, a...

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Abstract

The invention provides compound feed for improving the survival rate of Sciaenops ocellatus. The compound feed is prepared from the following raw materials in parts by weight: 80 to 100 parts of fish and shrimp feed, 2 to 4 parts of chitosan, 0.5 to 1 part of saussurea stella and 0.1 to 0.5 part of przewalskia tangutica. According to the compound feed provided by the invention, the chitosan is added on the basis of the conventional fish and shrimp feed, so that the disease resistance of the Sciaenops ocellatus can be improved, and the survival rate is improved; by adding the saussurea stella and the przewalskia tangutica, the immunity and the digestive ability of the Sciaenops ocellatus can be improved, the feeding of the Sciaenops ocellatus can be promoted, and the survival rate of the Sciaenops ocellatus is improved.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a compound feed for improving the survival rate of redfish. Background technique [0002] American redfish (Sciaenopsocellatus), referred to as redfish for short, is a high-protein, low-fat marine economic fish with rich nutritional value and good health functions. First, it is also one of the high-end hot-selling aquatic products in the world. In recent years, frequent outbreaks of redfish disease in the United States have caused serious economic losses. Scholars at home and abroad have conducted a lot of research on the specific immunity of fish, its mechanism of specific immunity and its disease prevention and control methods, from general serological methods to the cellular level, subcellular level and molecular level of the body's immune organs and tissues. However, there are few reports on the immune control of American redfish. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K10/20A23K10/22A23K20/163A23K10/30
CPCY02A40/818
Inventor 韦金德
Owner 钦州市钦州港七十二泾渔业养殖专业合作社