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Bait for promoting mature of genital glands of parent shrimps of white shrimps in South America and preparation method thereof

A technology for white shrimp and bait, applied in animal feed, animal feed, application, etc., can solve the problems of difficult to keep alive, insufficient nutrition, easy to pollute aquaculture water, etc., and achieve the effect of promoting gonad maturation and good stability

Inactive Publication Date: 2010-12-08
GUANGXI INST OF FISHERIES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yet there are following problems in using live clam worm, squid, oyster feeding object: (1) live clam worm, squid, oyster are the carriers of vannamei white spot virus, taura virus and various germs, and can infect viruses and germs (2) The residual bait and juice of live clamworms, squid, and oysters are likely to pollute the aquaculture water; (3) Penaeus vannamei is mainly cultivated in the south, and clamworms are mainly produced in the north. After long-distance transportation from the north to the south, it is not easy to keep alive
However, this product does not use fresh raw materials such as squid and oysters. At the same time, because it has not been dried and added solid agents or adhesives, the nutrition is not comprehensive enough, and it is easy to collapse when it enters the water, making it difficult to feed broodstock.
Therefore, this product is only suitable for prawn larvae, and it is difficult to be used for intensive cultivation of broodstock shrimp before spawning

Method used

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  • Bait for promoting mature of genital glands of parent shrimps of white shrimps in South America and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A bait for promoting the maturation of broodstock gonads of Penaeus vannamei and a preparation method thereof, the steps of which are:

[0036] a. After mixing and stirring fresh clamworms, squids, and oysters, grind them into a paste through a colloidal mill; according to mass: mass: mass = 4:3:3, grind them into a paste through a colloidal mill, and add the total amount of the paste 6% agar powder (≥99.0%), stir and mix together;

[0037] b. Spread the mixture obtained in step a on a stainless steel tray, about 0.4cm thick, steam in a steamer for 1 minute, take it out, and condense into a jelly;

[0038] c. Naturally cool the jelly obtained in step b for 0.5 to 1 hour, and cut into granules;

[0039] d. Vacuum-pack the granules obtained in step c to obtain the finished product of Penaeus vannamei broodstock bait, which is stored at -4°C.

[0040] Wherein the above-mentioned mass unit is gram (g).

Embodiment 2

[0042] A bait for promoting the maturation of broodstock gonads of Penaeus vannamei and a preparation method thereof, the steps of which are:

[0043] a. Mix fresh and alive clamworms, squid, and oysters and grind them into a paste through a colloid mill; according to mass: mass: mass = 5:3:2, grind them into a paste through a colloid mill, and add the total amount of the paste 6% agar powder (≥99.0%), stir and mix together;

[0044] b. Spread the mixture obtained in step a on a stainless steel tray, about 0.3cm thick, steam in a steamer for 1 minute, take it out, and condense into a jelly;

[0045] c. Naturally cool the jelly obtained in step b for 0.5 to 1 hour, and cut into granules;

[0046] d. Vacuum-pack the granules obtained in step c to obtain the finished product of Penaeus vannamei broodstock bait, which is stored at -4°C.

Embodiment 3

[0048] A bait for promoting the maturation of broodstock gonads of Penaeus vannamei and a preparation method thereof, the steps of which are:

[0049] a. Mix fresh and alive clamworms, squid, and oysters and grind them into a paste through a colloid mill; according to mass: mass: mass = 5:2:3, grind them into a paste through a colloid mill, and add the total amount of the paste 8% agar powder (≥99.0%), stir and mix together;

[0050] b. Spread the mixture obtained in step a on a stainless steel tray, about 0.5cm thick, steam in a steamer for 1.5 minutes, take it out, and condense into a jelly;

[0051] c. Naturally cool the jelly obtained in step b for 0.5 to 1 hour, and cut into granules;

[0052] d. Vacuum-pack the granules obtained in step c to obtain the finished product of Penaeus vannamei broodstock bait, which is stored at -4°C.

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Abstract

The invention discloses a bait for promoting the mature of genital glands of parent shrimps of white shrimps in South America and a preparation method thereof. The preparation method comprises the following steps of: mixing and stirring fresh clamworm, squid, oyster and agar powder and then grinding the mixture into pasty by using a colloid mill; b. placing the obtained pasty substance into a tray to be flattened with the thickness of 0.3-0.4cm and placing into a steam box for one minute; and c. cooling the obtained gel-shaped substance and dividing into granules in the specification with the length, the width and the height being respectively 0.4cm to obtain a finished product. The bait can promote the mature of the genital glands of the parent shrimps of the white shrimps in South America, is free from carrying the white spot virus and taura syndrome virus of the parent shrimps in South America, reduces the pollution to a cultivation water body of the parent shrimp of the white shrimps in South America and the water replacement amount, improves the speed of the mature of genital glands and the genital gland index of the parent shrimps of white shrimps in South America and the survival rate of parent shrimp larvae of white shrimps in South America and has favorable application potentials.

Description

technical field [0001] The invention relates to the technical field of bait preparation for prawns, which is suitable for promoting the intensive cultivation of the broodstock of Penaeus vannamei before spawning in the production of Penaeus vannamei. Background technique [0002] Penaeus vannamei, scientific name Litopenaeus vannamei, belongs to the family Penaeidae and is one of the three largest shrimp species with the highest aquaculture production in the world. Penaeus vannamei has a thin shell and fat body, fresh and tender meat, with a meat yield as high as 65%, rich in nutrition, and is popular in domestic and foreign markets; the growth speed is fast, and it can reach the market specification in 60 days; the suitable salt range is wide (0-40% ), can adopt pure fresh water, brackish water, seawater multiple farming modes, that is, it can grow from natural sea areas to freshwater ponds, thus breaking the geographical restrictions of farming, and has high temperature re...

Claims

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Application Information

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IPC IPC(8): A23K1/18
Inventor 蒋伟明陈晓汉谢达祥印遇龙吴信赵永贞彭金霞杨彦豪
Owner GUANGXI INST OF FISHERIES
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