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Cultivation method of seahorse artificial breeding broodstock

A technology of artificial breeding and breeding method, applied in the field of agriculture and aquaculture, can solve the problems of low survival rate of larvae, poor efficiency, difficulty in forming large-scale breeding production, etc., and achieve the effect of increasing litter size

Active Publication Date: 2016-02-03
NINGBO UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although many countries have carried out relevant research, there are still some technical problems, mainly in the fact that the broodstock breeding method of seahorses has not been overcome, the problem of low survival rate of larvae needs to be solved urgently, the benefit is poor, and it is difficult to form large-scale breeding production

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  • Cultivation method of seahorse artificial breeding broodstock
  • Cultivation method of seahorse artificial breeding broodstock
  • Cultivation method of seahorse artificial breeding broodstock

Examples

Experimental program
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specific Embodiment 1

[0015] A breeding method for cultivating seahorse artificial breeding broodstock, comprising the following steps:

[0016] (1) Select artificially bred seahorses with clean body surface, large individuals, strong and lively, and strong feeding ability as artificial breeding broodstock: A. One-year-old sexually mature hippocampus without mating history (specification requirements: body length>11.0cm, weight>3.2 g) Or choose the second instar hippocampus. B. Appearance: The skin and organs are intact, without wounds, and the body color is mainly black or brown-black;

[0017] (2) Temporary breeding of broodstock: The selected seahorse broodstock is temporarily raised in the indoor broodstock pool, and fed with chilled or live mysis as bait. The environmental conditions for temporary breeding are salinity 24-25, temperature 24°C-26°C, white light or blue light Light color, light intensity is 40×10 2 Lx sand filter the sea water, place fine bamboo branches in the brood pool as t...

specific Embodiment 2

[0019] temperature optimization

[0020] In order to determine the suitable temperature for broodstock cultivation, three groups of temperature test groups were set up at 22°C, 26°C, and 30°C respectively, and a two-month experiment was carried out. The parameters such as the average litter size, 30-day larval survival rate, production frequency, and growth cycle of the parental hippocampus were mainly selected as the measurement indicators. The results are shown in Table 1. At 22°C, the parental hippocampus was produced once, and the production began in mid-June; at 26°C, the parental hippocampus was produced twice, and the production began in mid-to-late May; at 30°C, the parental hippocampus was produced three times, and the production started from It started in mid-May, and the results showed that at a suitable temperature, the number of productions increased with the increase of temperature, and at the same time, the production date was also advanced with the increase of ...

specific Embodiment 3

[0023] bait selection

[0024] Two groups of bait were selected, which were live bait mysis, Penaeus vannamei larvae group, and chilled mysis group, and a two-month experiment was carried out. Parameters such as selected production times, production time, average litter size, and survival rate of larvae within 30 days were used as standards. The results are shown in Table 2. The two groups of baits had no effect on the production times of parent seahorses. The production of the live bait group started in late May and lasted until the end of June; the production of the chilled bait group started in early June and continued until the middle and late July. In comparison, the production of chilled bait group was postponed and the production period was extended. As shown in Table 2, the effects of different baits on parental hippocampus production, only 2 pairs of parental hippocampus mated successfully in the chilled bait group in the third production, and the other 4 pairs did n...

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Abstract

The invention discloses a cultivation method of a seahorse artificial breeding broodstock. The method is characterized in comprising the following steps: (1) broodstock selection is carried out, wherein artificially cultivated robust and lively seahorses with clean surfaces, large sizes and high intake ability are adopted as an artificial breeding seahorse broodstock; (2) broodstock temporary keeping is carried out, wherein selected seahorses are temporarily kept in an indoor broodstock tank; chilled or live mysids are used for feeding, wherein the seahorses are fed 4-5 times a day. Temporary keeping conditions are that environment salinity is 24-25, temperature is 24-26 DEG C, white light or blue light with light intensity of 40*10<2> Lx is adopted, a background sound is 30-40dB, a water depth is 70-75cm, attachments are natural plants, and sand-filtered seawater is adopted. Male and female seahorse broodstocks are kept isolated, wherein a breeding density is 2 males and 2 females. When seahorse body color is changed and mating behavior appears, the female and male seahorses are mixed. With the method, an optimal artificial cultivation effect can be obtained, broodstock seahorse birthing rate can be improved, and baby seahorse survival rate can be improved.

Description

technical field [0001] The invention relates to the technical field of agricultural aquaculture, in particular to a method for cultivating seahorse artificial breeding broodstock. Background technique [0002] In recent decades, aquaculture technology and methods have become more and more important not only because of its commercial value, but more importantly as a tool for germplasm conservation. In order to meet the needs of global resource conservation and environmental restoration, it is imminent to improve farming techniques and methods. As a precious marine organism, seahorse has become the darling of the health care products market and ornamental market due to its high medicinal value and unique appearance. Due to overfishing, the number of wild seahorses has been greatly reduced, and they have been included in the IUCN and China Red List of Endangered Animals and Plants as endangered species. In order to solve this bottleneck, artificial breeding to expand seahorse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81A01K61/00
Inventor 徐永健牟金婷
Owner NINGBO UNIV
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