CN104012432A - Method suitable for artificial breeding of CrassOstrea hongkongensis in sea area in north - Google Patents

Method suitable for artificial breeding of CrassOstrea hongkongensis in sea area in north Download PDF

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Publication number
CN104012432A
CN104012432A CN201410184810.7A CN201410184810A CN104012432A CN 104012432 A CN104012432 A CN 104012432A CN 201410184810 A CN201410184810 A CN 201410184810A CN 104012432 A CN104012432 A CN 104012432A
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China
Prior art keywords
shellfish
days
artificial
sea area
larvas
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CN201410184810.7A
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Chinese (zh)
Inventor
于瑞海
王昭萍
马培振
佘忠明
陈洪发
刘剑
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Ocean University of China
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Ocean University of China
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Priority to CN201410184810.7A priority Critical patent/CN104012432A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a method suitable for artificial breeding of CrassOstrea hongkongensis in a sea area in the north. The method suitable for artificial breeding of CrassOstrea hongkongensis in the sea area in the north is characterized by comprising the steps that firstly, CrassOstrea hongkongensis adult shellfish with a shell higher than 10 cm are selected, the CrassOstrea hongkongensis adult shellfish are placed in breeding ponds in high-temperature summer (July and August) with the density of 40-50 pieces/m<3> under the conditions that the water temperature ranges from 26 DEG C to 30 DEG C and the salinity ranges from 25 to 32, artificial oviposition and spermiation are conducted after the CrassOstrea hongkongensis adult shellfish are bred for 10 days to 15 days, spawn and sperms are placed in a breeding pond containing filtered sea water to be discharged naturally after being dried in the shade for five hours to eight hours, or the spawn and the sperms are obtained after the male shellfish and female shellfish are distinguished manually, and then artificial insemination is conducted; germ cells are hatched for 18 hours to 20 hours under the condition that the water temperature ranges from 26 DEG C to 32 DEG C so that D type larvas can be obtained, the D type larvas are placed in ponds to be bred with the density of 6-8 pieces/m<3>, when 50%-80% of the D type larvas become eyespot larvas after the D type larvas are hatched for 15 days to 18 days, oyster shell and cement block substrata are placed into the ponds, and juvenile mollusk is obtained after the eyespot larvas adheres to the oyster shell and cement block substrata for four days to six days; finally, the juvenile mollusk adhering to the oyster shell and cement block substrata is moved into outdoor ponds to be bred, the juvenile mollusk is transported to a sea area in the south to be bred in an overland mode at lower temperature after the juvenile mollusk is 5 mm-10 mm long. By the adoption of the method suitable for artificial breeding of CrassOstrea hongkongensis in the sea area in the north, the problems that the rate of fertilization for artificial breeding of the CrassOstrea hongkongensis in the south is low and the survival rate of the larvas is low are solved.

Description

The method of the huge oyster artificial breeding in a kind of Hong Kong, suitable northern sea area
Technical field
The present invention relates to the method that the huge oyster seed in a kind of Hong Kong produces, particularly relate to the method for the huge oyster artificial breeding in a kind of Hong Kong, suitable northern sea area.
Background technology
The huge oyster in Hong Kong (CrassOstrea hongkongensis) is high-temperature low salt kind, inhabit nearly river mouth or near have fresh water inject place, the cultivation history of existing more than 700 year, it is the peculiar economic shellfish in south China sea area, its chitin heavily fortified point is thick, and soft body is for white, outer embrane mostly is black, has that color and luster is attractive in appearance, the feature of delicious meat, than high 1-2 of other oysters such as long oysters doubly, its market prospects are wide for the market price.
At present China from Hong Kong huge oyster seed mainly taking semi as main, but collecting seedling of wild seed is subject to seasonal restrictions, output is unstable, limit the development of the aquaculture of the huge oyster in Hong Kong. along with the expansion of cultivation scale, more and more to the demand of the huge oyster seed in Hong Kong, because the huge oyster artificial breeding in Hong Kong is subject to seedling growing process, the impact of facility and condition, the success rate of growing seedlings is lower, the settlement and metamorphosis of eyebot larvae is its technical bottleneck, thereby cause the huge oyster in Hong Kong output of seedling of growing seedlings extremely low, do not reach the level that yielding ability is grown seedlings, can not meet the demand of cultivation unit to seed, for Hong Kong huge oyster seedling growing process difficult problem, developing new seedling raising manners is the key putting the axe in the helve, can also overcome Hong Kong huge oyster nature seedling growth rate slow simultaneously, the problem that culture-cycle is long.
Summary of the invention
The object of this invention is to provide the method for the huge oyster artificial breeding in a kind of Hong Kong, suitable northern sea area, can overcome the above-mentioned shortcoming of prior art.
First a method for the huge oyster artificial breeding in Hong Kong, suitable northern sea area, is characterized in that selecting the huge oyster in the above Hong Kong of the high 10cm of shell to become shellfish in southern mariculture area, and low temperature is transported in the outdoor sea pond in northern sea area and stored up cultivation; Then, select regular shellfish hatchery field, at high temperature season in summer (the 7-8 month), pick out Hong Kong huge oyster kind shellfish, by 40-50/m 3be placed in nursery pond, under the condition of water temperature 26-30 DEG C and salinity 25-32, parent shellfish routinely shellfish indoors artificial accelerating method was cultivated after 10-15 days, carry out artificial spawning, ejaculation, the ejaculation of laying eggs adopts dried in the shade after 5-8 hour, put into and contain filtering sea nursery pond and naturally discharge, obtain essence, ovum after also can manually distinguishing the close shellfish of male and female, carry out artificial insemination; Under water temperature 26-32 DEG C condition, fertilized egg reaches D type larva through hatching in 18-20 hour, excellent in 6-8/m through selecting 3cultivate in density cloth pond, and larvae cultivation routinely Shellfish Larva cultivation technology carries out, and in the time that within 15-18 days, eyebot larvae appears in cultivation 50-80%, starts to throw in oyster shell and cement block adherance, and the eyebot larvae of the huge oyster in Hong Kong becomes juvenile mollusk through 4-6 days settlement and metamorphosis; In finally the adherance that adheres to juvenile mollusk being moved on to together in outdoor ponds and cultivating, juvenile mollusk utilizes the unicellular alga in pond to grow, and grows to after 5-10mm that low temperature is dry to be transported to southern sea area and to cultivate.
The invention solves the huge oyster indoors artificial in southern Hong Kong and grow seedlings that fertilization rate is low, larva survival rate is low, the problem that settlement and metamorphosis rate is low.Simultaneously the present invention can utilize megathermal period shellfish hatchery workshop, north idle periods, realizes the huge oyster north, Hong Kong artificial breeding, and south cultivation overcomes the nature slow problem of growth rate of collecting seedling, and shortens the huge oyster culture time of Hong Kong.
Embodiment
First a method for the huge oyster artificial breeding in Hong Kong, suitable northern sea area, is characterized in that selecting the huge oyster in the above Hong Kong of the high 10cm of shell to become shellfish in southern mariculture area, and low temperature is transported in the outdoor sea pond in northern sea area and stored up cultivation; Then, select regular shellfish hatchery field, at high temperature season in summer (the 7-8 month), pick out Hong Kong huge oyster kind shellfish, by 40-50/m 3be placed in nursery pond, under the condition of water temperature 26-30 DEG C and salinity 25-32, parent shellfish routinely shellfish indoors artificial accelerating method was cultivated after 10-15 days, carry out artificial spawning ejaculation, the ejaculation of laying eggs adopts dried in the shade after 5-8 hour, put into Sheng filtering sea nursery pond and naturally discharge, also can manually dissect after close shellfish is distinguished male and female and obtain essence, ovum, carry out artificial insemination; Under water temperature 26-32 DEG C condition, fertilized egg reaches D type larva through hatching in 18-20 hour, excellent in 6-8/m through selecting 3cultivate in density cloth pond, and larvae cultivation routinely Shellfish Larva cultivation technology carries out, and in the time that within 15-18 days, eyebot larvae appears in cultivation 50-80%, starts to throw in oyster shell and cement block adherance, and the eyebot larvae of the huge oyster in Hong Kong becomes juvenile mollusk through 4-6 days settlement and metamorphosis; In finally the adherance that adheres to juvenile mollusk being moved on to together in outdoor ponds and cultivating, juvenile mollusk utilizes the unicellular alga in pond to grow, and grows to after 5-10mm that low temperature is dry to be transported to southern sea area and to cultivate.
The invention solves the huge oyster indoors artificial in southern Hong Kong and grow seedlings that fertilization rate is low, larva survival rate is low, the problem that settlement and metamorphosis rate is low.The present invention simultaneously can utilize megathermal period shellfish hatchery workshop, north idle periods, realize the huge oyster north, Hong Kong artificial breeding, south cultivation, overcomes the nature slow problem of growth rate of collecting seedling, shorten the huge oyster culture time of Hong Kong, improved the availability between a large amount of seedling culturing vehicles in the Summer High-Temperature Times north.

Claims (1)

1. first a method for the huge oyster artificial breeding in Hong Kong, suitable northern sea area, is characterized in that selecting the huge oyster in the above Hong Kong of the high 10cm of shell to become shellfish in southern mariculture area, and low temperature is transported in the outdoor sea pond in northern sea area and stored up cultivation; Then, select regular shellfish hatchery field, at high temperature season in summer (the 7-8 month), pick out Hong Kong huge oyster kind shellfish, by 40-50/m 3be placed in nursery pond, under the condition of water temperature 26-30 DEG C and salinity 25-32, parent shellfish routinely shellfish indoors artificial accelerating method was cultivated after 10-15 days, carry out artificial spawning, ejaculation, the ejaculation of laying eggs adopts dried in the shade after 5-8 hour, put into nursery pond and naturally discharge, obtain essence, ovum after also can manually distinguishing male and female parents shellfish, carry out artificial insemination; Under water temperature 26-32 DEG C condition, fertilized egg reaches D type larva through hatching in 18-20 hour, excellent in 6-8/m through selecting 3cultivate in density cloth pond, and larvae cultivation routinely Shellfish Larva cultivation technology carries out, and in the time that within 15-18 days, eyebot larvae appears in cultivation 50-80%, starts to throw in oyster shell and cement block adherance, and the eyebot larvae of the huge oyster in Hong Kong becomes juvenile mollusk through 4-6 days settlement and metamorphosis; In finally the adherance that adheres to juvenile mollusk being moved on to together in outdoor ponds and cultivating, juvenile mollusk utilizes the unicellular alga in pond to grow, and grows to after 5-10mm that low temperature is dry to be transported to southern sea area and to cultivate.
CN201410184810.7A 2014-04-25 2014-04-25 Method suitable for artificial breeding of CrassOstrea hongkongensis in sea area in north Pending CN104012432A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106719185A (en) * 2017-01-05 2017-05-31 中国海洋大学 A kind of method that rock oyster ecological breeding is carried out using the megathermal period
CN106942105A (en) * 2017-05-11 2017-07-14 中国海洋大学 A kind of method for carrying out Hong Kong oyster artificial breeding using the northern megathermal period
CN110984405A (en) * 2019-12-02 2020-04-10 哈尔滨工程大学 Ecological anti-corrosion method for serving marine reinforced concrete engineering
CN111183936A (en) * 2020-02-11 2020-05-22 中国科学院南海海洋研究所 Method for preparing novel strain of deep concave-shell type hongkong oyster by using virtual index polymerization method
CN111316943A (en) * 2020-03-07 2020-06-23 广西壮族自治区海洋研究所 Pond seedling raising method for ostrea rivularis

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CN102763617A (en) * 2012-08-20 2012-11-07 中国海洋大学 Artificial breeding method of sikamea oysters

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CN101731168A (en) * 2009-12-14 2010-06-16 中国海洋大学 Method for artificial propagation of ostrea denselamellosa
CN102077800A (en) * 2010-12-20 2011-06-01 山东海益宝水产股份有限公司 Method for breeding oyster
CN102763617A (en) * 2012-08-20 2012-11-07 中国海洋大学 Artificial breeding method of sikamea oysters

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106719185A (en) * 2017-01-05 2017-05-31 中国海洋大学 A kind of method that rock oyster ecological breeding is carried out using the megathermal period
CN106719185B (en) * 2017-01-05 2020-05-19 中国海洋大学 Method for ecologically breeding crassostrea gigas seedlings by utilizing high-temperature period
CN106942105A (en) * 2017-05-11 2017-07-14 中国海洋大学 A kind of method for carrying out Hong Kong oyster artificial breeding using the northern megathermal period
CN106942105B (en) * 2017-05-11 2020-03-17 中国海洋大学 Method for artificially breeding seedlings of crassostrea hongkongensis by utilizing northern high-temperature period
CN110984405A (en) * 2019-12-02 2020-04-10 哈尔滨工程大学 Ecological anti-corrosion method for serving marine reinforced concrete engineering
CN110984405B (en) * 2019-12-02 2021-12-24 哈尔滨工程大学 Ecological anti-corrosion method for serving marine reinforced concrete engineering
CN111183936A (en) * 2020-02-11 2020-05-22 中国科学院南海海洋研究所 Method for preparing novel strain of deep concave-shell type hongkong oyster by using virtual index polymerization method
CN111316943A (en) * 2020-03-07 2020-06-23 广西壮族自治区海洋研究所 Pond seedling raising method for ostrea rivularis

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Application publication date: 20140903