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Artificial induced spawning, fertilization and family establishing method of spotted maigre

An establishment method and artificial induction technology, applied in fish farming, application, climate change adaptation, etc., can solve the problem of failure to form an excellent family of the yellow croaker system, failure to establish a clear relationship between the breeding temperature of the broodstock and the time of the induction effect, and the failure to Determine in detail the optimal oxytocin period and oxytocin of the parents, so as to solve the effects of asynchrony of ovulation, high success rate of oxytocin, and large number of eggs produced

Active Publication Date: 2014-06-18
MARINE FISHERIES RES INST OF ZHEJIANG
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Problems solved by technology

However, this method does not determine the optimal oxytocic period and oxytocic agent for the parents in detail, nor does it establish a clear relationship between the incubation temperature of the oxytocin parent and the time of the oxytocin effect, and it is impossible to form a long-term excellent family of the yellow croaker system

Method used

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Examples

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Embodiment

[0018] Example: In late November, the parents of yellow croaker were moved into an indoor greenhouse for cultivation. The walls and bottom of the pond were repaired with cement. Between ~19°C, adjust the feeding amount according to the temperature of the water body. When the water temperature is above 16°C, in the daily feeding, add chilled small fish every 2-3 days, with hairtail and small yellow croaker as the host. When the water temperature is lower than 16°C, in the daily feeding, the chilled small trash fish should be fed every 3-5 days, and the feeding amount should be controlled at 2-3% of the fish weight, and the increase There are two oxygen machines to keep the dissolved oxygen in the water adequate. In mid-March of the following year, the broodstock were transported to indoor cement ponds for cultivation and nutrition enhancement. Sand filtered seawater was used. More than 90% of the water was changed every morning, oxygenated for 24 hours, and the dissolved oxyge...

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Abstract

An artificial induced spawning, fertilization and family establishing method of spotted maigre belongs to the technical field of fish culture. The method comprises the steps of 1, culturing parent fish and enhancing nutrition; 2, selecting the patent fish subjected to induced spawning; 3, selecting odinagogue and dosage; 4, selecting the induced spawning time and the induced spawning temperature; and 5, conducting artificial fertilization and establishing the family. According to the method, based on the gonad development law of the spotted maigre, the optimal induced spawning period of the patent fish and the optimal odinagogue are determined, the relationship between the culture temperature and the induced spawning effect time of the patent fish subjected to induced spawning is established, the success rate of the induced spawning is high, the spawning time is unified, the spawning quantity is high, the spawn supply to the patent fish according to needs is realized.

Description

technical field [0001] The invention relates to the technical field of fish culture, in particular to a method for artificially induced fertilization and pedigree establishment of yellow croaker. Background technique [0002] Nibea albiflora, commonly known as Huangpo chicken, belongs to the order Perciformes, Tototoyidae, and Nibea albiflora. It is an offshore fish in the middle and lower waters. It is an important breed and aquaculture species in the southeast coast of my country. It has a high Nutritional and medicinal value, the market demand is constantly rising. At present, most of the reproduction of the yellow croaker relies on the natural maturation of the parents to achieve spawning. Due to the difference in the maturity of the yellow croaker parents, the asynchrony of spawning is caused, and the artificial control of the spawning time and spawning volume cannot be realized. It is beneficial to production, but it cannot meet the requirements of directional matin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 楼宝薛宝贵徐冬冬史会来詹炜辛俭毛国民祝家俊
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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