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Sciaenops ocellatus mixed feed

A technology for compound feed and red fish, applied in the direction of animal feed, animal feed, additional food elements, etc., can solve the problems of reduced flavor, hinder the sustainable development of product development, etc., to reduce fishy odor, improve disease resistance, and improve survival. rate effect

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

In the shallow sea culture process, due to the vigorous life activities and active enzyme systems in the red fish, many odorous metabolites are produced. In addition, the feed is generally artificial feed such as fish meal or spoiled miscellaneous fish and shrimp, which makes the original Just have the fish body fishy smell of fishy smell to be stronger, and local flavor is greatly reduced, and this kind of fishy smell is not accepted by consumers in general, and has seriously hindered its product development and the sustainable development of industry

Method used

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  • Sciaenops ocellatus mixed feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] 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;

[0015] 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

[0021] 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;

[0022] 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

[0028] 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;

[0029] 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 sciaenops ocellatus mixed feed. The sciaenops ocellatus mixed feed is prepared from the following raw materials in parts by weight: 80 to 100 parts of fish and shrimp feed, 1 to 3 parts of chitosan and 2 to 4 parts of carboxymethyl chitosan. According to the sciaenops ocellatus mixed feed provided by the invention, a certain amount of the chitosan and a certain amount of the carboxymethyl chitosan are added on the basis of conventional fish and shrimp feed, the concentration of Fe<3+> can be well reduced, and the purpose of restraining the activity of lipoxygenase can be achieved, so that unsaturated fatty acid in the body of sciaenops ocellatus and fatty acid ester of the unsaturated fatty acid can be restrained from generating hydroperoxide, the hydroperoxide is further converted into substances such as low-grade aldehyde, ketone and cyclic oxide, and the generation of stink odor of the sciaenops ocellatus is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a red fish compound feed. 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 the shallow sea culture process, due to the vigorous life activities and active enzyme systems in the red fish, many odorous metabolites are produced. In addition, the feed is generally artificial feed such as fish meal or spoiled miscellaneous fish and shrimp, which makes the original Just having fish body fishy smell of fishy smell is stronger, and flavor reduces greatly, and this fishy smell is not accepted by consumers in general, and has seriously hindered its product development and the sustainable development of industry. According to the analys...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K10/22A23K20/163
Inventor 韦金德
Owner 钦州市钦州港七十二泾渔业养殖专业合作社
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