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Method for managing pelteobagrus fulvidraco during dragnet exercise

A technology of net drawing exercise and management method, applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of secondary bacterial infection and fungal infection, skin abrasions on fish body, etc.

Inactive Publication Date: 2016-06-29
五河县金满塘生态种养殖家庭农场
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the pectoral and dorsal fins of the yellow catfish have hard spines, it is easy to cause mutual skin abrasions and secondary bacterial infections and fungal infections during the net pulling exercise, the invention provides a yellow catfish net pulling exercise period management method, this method can reduce the probability of skin damage during the netting exercise of the yellow catfish. The yellow catfish fingerlings can be out of the pond after only one net-drawing exercise. The yellow catfish out of the pond has better resistance to hypoxia and density during transportation, the ability of the skin to resist damage is improved, and the mortality rate during transportation is extremely low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Example 1, 1 day before the first stretching exercise, completely change the water in the pond, inject new water into the pond, the depth of new water injection is 60cm, add galactomannan to every liter of new water before the new water injection 6g, galactose 12g, calcium dihydrogen phosphate 2g, white vinegar 10g, choline 5g;

[0013] Stop feeding 1 day before the first stretching exercise. After the first stretching exercise, feed the feed made from the combination of centipede grass, fish meal, buckwheat flour, wakame, soybean flour, natto bacteria, centipede grass, fish meal, Buckwheat flour, wakame, soybean flour weight ratios are 10, 8, 30, 50, 30, 0.03, 0.01 ， When making feed, first refrigerate centipede grass and wakame at -10~-12°C for 3-5 hours, then use a grinder to grind it into a slurry; mix soybean flour, buckwheat flour, and fish meal, put it into a pot and fry it to make charred Yellow, during the frying process, the slurry of centipede grass and waka...

Embodiment 2

[0017] Example 2, 1 day before the first stretching exercise, completely change the water in the pond, inject new water into the pond, the depth of new water injection is 70cm, add galactomannan to every liter of new water before the new water injection 8g, galactose 15g, calcium dihydrogen phosphate 5g, white vinegar 15g, choline 10g;

[0018] Stop feeding 1 day before the first stretching exercise. After the first stretching exercise, feed the feed made from the combination of centipede grass, fish meal, buckwheat flour, wakame, soybean flour, natto bacteria, centipede grass, fish meal, Buckwheat flour, wakame, soybean flour weight ratios are 20, 10, 35, 60, 40, 0.05, 0.015 ， When making feed, first refrigerate centipede grass and wakame at -10~-12°C for 3-5 hours, then use a grinder to grind it into a slurry; mix soybean flour, buckwheat flour, and fish meal, put it into a pot and fry it to make charred Yellow, during the frying process, the slurry of centipede grass and w...

Embodiment 3

[0022] Example 3, 1 day before the first stretching exercise, completely change the water in the pond, inject new water into the pond, the depth of new water injection is 65cm, add galactomannan to every liter of new water before the new water injection 7g, galactose 13g, calcium dihydrogen phosphate 4g, white vinegar 12g, choline 8g;

[0023] Stop feeding 1 day before the first stretching exercise. After the first stretching exercise, feed the feed made from the combination of centipede grass, fish meal, buckwheat flour, wakame, soybean flour, natto bacteria, centipede grass, fish meal, Buckwheat flour, wakame, soybean flour weight ratio ratio is 15, 9, 32, 55, 35, 0.04, 0.013 ， When making feed, first refrigerate centipede grass and wakame at -10~-12°C for 3-5 hours, then use a grinder to grind it into a slurry; mix soybean flour, buckwheat flour, and fish meal, put it into a pot and fry it to make charred Yellow, during the frying process, the slurry of centipede grass and...

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PUM

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Abstract

The invention relates to the technical field of aquaculture, in particular to a method for managing pelteobagrus fulvidraco during dragnet exercise. The method comprises the following steps: thoroughly changing water in a pond and injecting new water to the pond one day before first dragnet exercise, wherein galactomannan, galactose, monocalcium phosphate, white vinegar and choline are added to each liter of new water before new water injection; stopping feeding one day before the first dragnet exercise; feeding the pelteobagrus fulvidraco with a feed prepared from ciliate desert-grass, fish meal, buckwheat powder, undaria pinnatifida, soybean flour and bacillus natto after the first dragnet exercise; carrying out second dragnet exercise one day after the first dragnet exercise is ended, wherein the pelteobagrus fulvidraco is not fed with any food during a period from ending of feeding after the first dragnet exercise to the second dragnet exercise, water in the pond is changed thoroughly before the second dragnet exercise, and the pelteobagrus fulvidraco may leave from the pond after the second dragnet exercise is ended.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for managing the period during which the yellow catfish pulls a net. Background technique [0002] Yellow catfish Yellow catfish is also known as yellow-cheeked fish, yellow-bone fish, yellow stickleback fish, and river dragon shield. Distributed in the basins of the Yangtze River, Yellow River, Pearl River and Heilongjiang, etc., it is sweet and flat in nature and taste, can benefit the spleen and stomach, diuretic and reduce swelling, and the meat is tender, rich in nutrition, and has high economic value. , During the net pulling exercise, it is easy to cause skin abrasions on the fish body, secondary bacterial infection and fungal infection, which have a certain impact on the survival rate and quality of the yellow catfish. Contents of the invention [0003] In order to solve the problem that the pectoral and dorsal fins of the yellow catfish have hard spines, ...

Claims

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Application Information

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IPC IPC(8): A01K61/00A23K50/80
CPCA01K61/00Y02A40/81Y02A40/818
Inventor 刘聪聪李传美刘升永刘月月
Owner 五河县金满塘生态种养殖家庭农场
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