Method to enhance hatching percentage of artemia diapauzing cysts

A technology of percentage and cysts, which is applied in the field of increasing the percentage of Artemia diapause cysts to hatch, and can solve the problems of reducing the percentage of hatching and time-consuming

Active Publication Date: 2008-09-24
INVE TECH NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Determination of this optimal range is time consuming and can reduce hatch percentages when not done with care

Method used

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  • Method to enhance hatching percentage of artemia diapauzing cysts
  • Method to enhance hatching percentage of artemia diapauzing cysts
  • Method to enhance hatching percentage of artemia diapauzing cysts

Examples

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Embodiment Construction

[0044] In the following examples, the following products are used to obtain the maximum incubation percentage, which contains no more than one different compound at the following concentration, the compound contains at least one -(OH)C=C(OH)- structure:

[0045] Pyrocatechol: 14ppm in incubation medium

[0046] Pyrogallic acid: 14ppm in hatching medium

[0047] Quercetin: 30ppm in the incubation medium

[0048] Methylcatechol: 15ppm in incubation medium

[0049] Propyl gallate: 40ppm in hatching medium

[0050] The cysts intended for use in the method according to the invention are cysts of one or more Artemia species. When they are placed on the market, they are usually contained in containers, especially in cans. However, they can also be packaged in other containers, such as bags, jars, bottles, etc. The container may contain different amounts of cysts, that is, the amount of cysts varies, for example, between 0.01 and 50 kg, more particularly between 0.1 and 10 kg. According t...

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Abstract

A method to hatch Artemia nauplii starting from an amount of Artemia cysts, including diapauzing cysts, by incubating the cysts in a hatching medium under conditions allowing at least a portion of the cysts to hatch and to release free swimming nauplii within a predetermined incubation period, in which method the cysts are brought in contact with a compound comprising at least one -(OH)C=C(OH)- structure, to break diapause in at least a number of said diapauzing cysts in order to enable them to produce free swimming nauplii within said predetermined incubation period thereby increasing the hatching percentage of the incubated cysts from X % of the total number of full cysts when the cysts are not brought in contact with said compound, to a hatching percentage higher than X % when they are brought in contact with said compound.

Description

Technical field [0001] The present invention relates to a certain amount of one or more Artemia by incubating the cysts in a hatching medium under conditions that allow at least a part of the cysts to hatch and release free-swimming nauplius during a predetermined incubation period. The method of hatching Artemia nauplii (Artemia nauplii) begins with the cysts (including diapausing cysts) of the species, in which the cysts are exposed to a compound to destroy at least a certain number of the diapausing cysts Diapause in order to enable them to produce free-swimming nauplius during the predetermined incubation period, thereby changing the percentage of hatching cysts from all spores when the cysts are not in contact with the compound. The X% of the total number of capsules is increased to a percentage of hatching higher than X% when they are exposed to the compound. Background technique [0002] Artemia nauplii are generally used as live food organisms in aquaculture, and more par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A01K61/00
CPCA01K61/008A01K61/005A23K1/188A23K50/80A01K61/17A01K61/59Y02A40/81
Inventor L·A·J·范纽文霍夫E·奈森斯-福克特G·龙博
Owner INVE TECH NV
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