Culture method of spotted maigre

A breeding method and technology of yellow croaker, which are applied in fish farming, application, climate change adaptation, etc., can solve the problems that the fishing output cannot meet the needs, artificial breeding of croaker and other problems, and help to control water temperature and heat preservation performance Good, high survival rate effect

Inactive Publication Date: 2008-10-01
SANMEN QINHAI AQUICULTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, yellow croaker mainly depends on the fishing output of natural waters. With the continuous increase of market demand and the continuous redu

Method used

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  • Culture method of spotted maigre

Examples

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Example Embodiment

[0019] Example 1

[0020] Choose a sandy mud pond with an area of ​​about 2 mu. Refer to the attached drawings. The bottom half of the pond is sloped with a slope of 30-40°. The bottom of the pond is equipped with a water inlet pipe 2 and the other end is equipped with a water outlet pipe 1. The end of the pond of the water pipe 2 and the water outlet pipe 1 is covered with a protective net 3 to prevent yellow croaker from escaping; the shallowest part of the pond is 1m and the deepest part is 3m, and the salinity of the pond water is about 18%; a retractable greenhouse is set beside the pond. By adjusting the retractable greenhouse to cover or expose the pond, the water temperature can be adjusted to keep the water temperature at 12-25°C.

[0021] Around May, when the natural water temperature reaches 15℃, the fry can be put in. The pond should be disinfected and fertilized 9 days before the put in. The disinfection can be done by the method in the prior art; after disinfection, ...

Example Embodiment

[0027] Example 2

[0028] The difference from Example 1 is that the earth pond in this example has an area of ​​5 mu, the shallowest part of the pond is 0.8 m and the deepest part is 3.5 m, and the salinity is about 16%. The stocking density is 11,000 fish / mu.

Example Embodiment

[0029] Example 3

[0030] The difference from Example 1 is that the earth pond in this example has an area of ​​1 mu, the shallowest part of the pond is 0.5 m and the deepest part is 2.5 m, and the salinity is about 28%. The stocking density is 8000 fish / mu.

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Abstract

The invention discloses a cultivation method for spotted maigre. An artificial pond is adopted for feed, the salinity of the pond is 16 to 28 per thousand and the temperature thereof is 12 to 25 DEG C; the body length of stocking fish fry is 3 to 5cm, the stocking density is 8000 to 11000 fishes per mou; bird-peck foods are selected and used as the feed; the bottom of the pond is a slant plane; the shallowest point of the pond water is 0.5 to 1.5m and the deepest point thereof is 2.5 to 3.5m; a telescopic tent is arranged beside the pond, the cover of the tent is adjusted or the pond is exposed to regulate water; the feed is thrown into the pond twice a day, the thrown feed amount per day accounts for 10 to 20 percent of the body weight of fish; By using the method of the invention, the artificial cultivation for spotted maigre can be realized and market requirements are met.

Description

technical field [0001] The invention relates to aquaculture technology, in particular to a method for cultivating yellow croakers. Background technique [0002] Yellow croaker, also known as yellow croaker (Nibea albiflora), is a member of the Osteostylidae family of Osteichthyes. It is mainly produced in the East China Sea and Bohai Sea in my country. Its appearance is similar to that of large yellow croaker, with elongated body, flat sides, blunt pointed head, short blunt snout, Slightly protruding, without whiskers and canine teeth, the upper teeth are small, the inner teeth of the lower jaw are larger, and there are 5 small holes in the skull. The back of the body is light gray, the sides are light yellow, the base of the chest, abdomen and anal fin are reddish, there are many dark brown wavy fine lines obliquely forward, and the caudal fin is wedge-shaped. It is a warm-temperate near-bottom fish. Its meat contains 19.3 grams of protein and 3.2 grams of fat per 100 gram...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 蒋荣响
Owner SANMEN QINHAI AQUICULTURE
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