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Artificial Breeding Method of Naked Starworm

A naked square starworm, artificial technology, applied in the field of animal husbandry, etc., to overcome technical bottlenecks, improve the survival rate of metamorphosis, and increase the effect of metamorphosis rate

Active Publication Date: 2011-12-28
FISHERIES RES INST OF FUJIAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The artificial seedling raising method aims at the large-scale artificial seedling production of the naked gridworm at present, and provides an artificial seedling raising technology method including parent insect cultivation, artificial induced production, planktonic larvae cultivation, and nymph cultivation, so as to realize the scale of the naked gridworm Artificial seedling breeding to meet the needs of breeding production development

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Breeding of parent insects:

[0026] Select 2,000 square star worms that are healthy, have no damage on the body surface, and have a size of 2 , 0.4 airstone / m 3 Inflate, feed compound feed I No. 1 time every day, compound feed No. I comprises 30% by weight fishmeal, 3% by weight yeast, 30% by weight soybean meal, 20% by weight peanut meal, 13% by weight corn and 4% by weight mineral matter, throws The amount of feeding is 10ppm, the water is changed once a day, and the amount of water is changed to 100%, and the intensive cultivation is carried out for 12 months to obtain the parent worms with mature gonads.

[0027] 2. Artificial induced labor:

[0028] In June, fish out the parent worms and dry them in the shade for 1 hour, put them into the spawning pond, and use running water with a water temperature of 25°C and a water velocity of 50 cm / sec to stimulate oviposition, and collect the floating trocar larvae the next day after oviposition.

[0029] 3. Larva culti...

Embodiment 2

[0036] 1. Breeding of parent insects:

[0037]Select 2,000 square star worms that are healthy, have no damage on the body surface, and have a size of 2 , 0.6 airstone / m 3 Inflate, feed compound feed I No. 1 time every day, compound feed No. I comprises 35% by weight fishmeal, 2% by weight yeast, 20% by weight soybean meal, 26% by weight peanut meal, 15% by weight corn and 2% by weight mineral matter, throws Feed 5ppm, change the water once a day, and change the water volume 100%, and strengthen the cultivation for 12 months to obtain gonad-mature parent worms.

[0038] 2. Artificial induced labor:

[0039] In October, the parent worms were fished out and dried in the shade for 4 hours, put into the spawning pool, and the water temperature was 32° C., and the water velocity was 30 cm / second to stimulate oviposition. The next day after oviposition, the floating trocar larvae were collected.

[0040] 3. Larva cultivation:

[0041] Put the collected trochophore larvae into the ...

Embodiment 3

[0047] 1. Breeding of parent insects:

[0048] Select 2000 square star worms that are healthy, have no damage on the body surface, and have a size of 2 , 0.5 airstone / m 3 Inflate, feed compound feed I No. 1 time every day, compound feed No. I comprises 34% by weight fishmeal, 2% by weight yeast, 25% by weight soybean meal, 30% by weight peanut meal, 5% by weight corn and 4% by weight mineral matter, throws Feed 8 ppm, change the water once a day, 100% of the water change, and strengthen the cultivation for 12 months to obtain gonad-mature parent worms.

[0049] 2. Artificial induced labor:

[0050] In August, the parent worms were fished out and dried in the shade for 2 hours, put into the spawning pond, and the water temperature was 32°C and the flow speed was 40cm / sec to stimulate oviposition, and the floating trocar larvae were collected the next day after oviposition.

[0051] 3. Larva cultivation:

[0052] Put the collected trochophore larvae into the nursery pond for ...

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Abstract

The invention discloses an artificial seedling raising method for the naked square starworm. The artificial seedling raising method aims at the large-scale artificial seedling production of the naked square starworm at present, and provides a method including parent insect cultivation, artificial induced labor, planktonic larvae cultivation and nymph cultivation. The artificial seedling raising technology method realizes the large-scale artificial seedling raising of the naked square starworm, so as to meet the development needs of breeding production.

Description

technical field [0001] The invention relates to an artificial seedling raising method for starworms, in particular to an artificial seedling raising method for naked square starworms. Background technique [0002] Sipunculus nudus, commonly known as "sandworm", belongs to the genus Astrozoa and is a species widely distributed in warm water world. my country's coastal areas are distributed from south to north, among which Beibu Gulf is rich in resources. The square star worm is an economically important species in marine fishery resources, and it is one of the famous seafood treasures. Its fresh products and processed dry products are very popular in domestic and foreign markets. The square star worm has extremely high nutritional value. According to existing literature reports, the dry weight of the square star worm contains 73.77% by weight of crude protein, 17.44% by weight of ash, 5.34% by weight of total sugar, and 0.67% by weight of crude fat. A high-protein, high-ash...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033
Inventor 曾志南林向阳刘波宁岳叶金聪
Owner FISHERIES RES INST OF FUJIAN
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