CN101502244A - Artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin - Google Patents

Artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin Download PDF

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Publication number
CN101502244A
CN101502244A CNA2009100370084A CN200910037008A CN101502244A CN 101502244 A CN101502244 A CN 101502244A CN A2009100370084 A CNA2009100370084 A CN A2009100370084A CN 200910037008 A CN200910037008 A CN 200910037008A CN 101502244 A CN101502244 A CN 101502244A
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CN
China
Prior art keywords
gmelin
spiral shell
cultivation
parent
hemifusus
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CNA2009100370084A
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Chinese (zh)
Inventor
罗杰
刘楚吾
黄翔鹄
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Guangdong Ocean University
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Guangdong Ocean University
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Priority to CNA2009100370084A priority Critical patent/CN101502244A/en
Publication of CN101502244A publication Critical patent/CN101502244A/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 present invention relates to a method for artificially ripening parent snail of Hemifusus tuba Gmelin. The aim of the invention is to provide a parent snail cultivation method which causes the Hemifusus tuba Gmelin to ripen and spawn beforehand and increases the individual reproductive capacity. According to the method, the healthy and sexual mature Hemifusus tuba Gmelin is selected and is transferred to indoor cement pit for executing artificial strengthening ripening cultivation. The water temperature and illumination are respectively controlled in the range of 26-28 DEG C and 310-5300 LX in daily management. The baits of shellfish meat, crab meat, etc. which have comprehensive nutrition are fed. The method of the invention basically satisfies the environmental conditions (temperature and illumination) and nutrition requirement for developing the gonad of Hemifusus tuba Gmelin to mature. The Hemifusus tuba Gmelin ripens and spawns before those of other cultivation method for 25-30 days. Furthermore the spawning time is more consistent and the Hemifusus tuba Gmelin can spawn repeatedly for a plurality of times thereby increasing the individual reproductive capacity of Hemifusus tuba Gmelin and settling the problem of fingerling shortage in the large-scale cultivation of Hemifusus tuba Gmelin. The method of the invention is suitable for the parent cultivation in the artificial propagation of Hemifusus tuba Gmelin.

Description

Artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin
Technical field
The invention belongs to the agriculture, forestry, animal husbandry, fisheries field, relate to a kind of in the shellfish artificial propagation artificial-strengthening accelerating breeding method of parent, particularly a kind of artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin.
Background technology
Many aquatic products economic animals, in the process of gonad development, maturation and breeding, nutrition has decisive role to the g and D speed of reproductive cell, and also being the aquatic products economic animals, illumination and water temperature finish the external condition that its reproduction activity must be many, have only effective accumulated temperature in the natural environment reach certain after, sexual gland is maturation and breeding.For example be grown in the silver carp of China different regions, though age at sexual maturity is different because of the area, the total amount of heat basically identical in maturing stage, accumulative total accumulated temperature approximately needs 18000~20000 ℃.To reaching sexually matured aquatic products economic animal, if but temperature does not reach the required temperature of laying eggs, can not finish reproduction activity.Generally be that water temperature is high more, the ripe required time in the cycle of its gonad development is just short more.Simultaneously, as important environmental condition, illumination also has appreciable impact to reproduction activity and the gonad development of aquatic livestock.
Trumpet shell whelk has another name called " ringing spiral shell ", and the east, the south that mainly are distributed in China are coastal, inhabit the chiltern seabed of the about 10m of shallow water depth, and the natural waters of selling on the existing market that is is adopted the resource of catching.Owing to adopt and catch excessively, cause resource to be tending towards exhausted in recent years, supply falls short of demand and cost an arm and a leg for the Trumpet shell whelk on the market, and the per kilogram price is up to 120~140 yuan.Less about the research report of Trumpet shell whelk each side at present, have only artificial breeding technique, reproductive biology aspect, salinity the suffocating a little and energy metabolism and of the influence of Trumpet shell whelk embryonic development and Trumpet shell whelk, but yet there are no report at the artificial culture of Trumpet shell whelk parent spiral shell and the research aspect the accelerating to the report of Trumpet shell whelk cell and molecular biology aspect.Though present stage, the Trumpet shell whelk artificial breeding technique broke through substantially; but seed can't be satisfied the demand of large-scale production; one of reason key is that the close spiral shell of artificial propagation all is to adopt from natural waters to catch the back without strengthening the accelerating cultivation and directly laying eggs; such result directly causes close spiral shell egg laying amount on the low side; the individual reproduction ability is lower, and the egg-laying time of close spiral shell is inconsistent.Therefore, how improving the fertility of Trumpet shell whelk parent, to obtain more fertilized egg, cultivate the seed of sufficient amount, is the key that solves the Trumpet shell whelk scale artificial culture.
Summary of the invention
The objective of the invention is in order to remedy the deficiency that above-mentioned prior art exists, be subjected to the problem that envirment factor (temperature, illumination) influence is big, the individual reproduction ability is lower at the Trumpet shell whelk breeding time, provide a kind of efficient, easy, can impel the Trumpet shell whelk ripen in advance to lay eggs and egg-laying time is more consistent, can improve the artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin of individual reproduction power simultaneously.
For achieving the above object, the technical scheme taked of the present invention is that this artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin may further comprise the steps:
(1) selecting of close spiral shell: by the end of February~at the beginning of 3 months, adopt from the sea area select more than the high 12.0cm of shell the Trumpet shell whelk of catching, shell is complete, the flexible strong conduct parent of foot spiral shell carries out the artificial-strengthening accelerating at indoor cement pit and cultivates;
(2) the cultivation facility of close spiral shell: indoor cement pit is a rectangle, area 25--30m 2, dark 1.2-1.3m, the oxygenation plastic tube is settled in the bottom, spreads the thick fine sand of 25~30cm then, cement pit moves into close spiral shell after sterilizing, the breeding density of close spiral shell is 8~10/m 2
(3) daily management: the depth of water keeps 80cm, water temperature and illumination to be controlled in 26~28 ℃, 310~5300LX scope continuous oxygenation in 24 hours respectively in the close spiral shell cultivating process.Every morning is changed water 1/2, clears up throw something and feed behind the residual bait shellfish meat and crab meat fresh, comprehensive nutrition, and feeding volume is decided on the situation of ingesting of close spiral shell; Every three days Chi Shui drained and to carry out full pond and clean, fine sand will wash repeatedly, uses the liquor potassic permanganate full pool spilling head afterwards, thorough disinfection.
This method is adopted the Trumpet shell whelk of catching from natural waters and is strengthened the accelerating cultivation at indoor cement pit in advance, for close spiral shell provides comprehensive nutrition and adapt circumstance condition (temperature, illumination), help gonad development and improve biological accumulated temperature, promote close spiral shell ripen in advance and lay eggs, this invention is done sth. in advance 25~30 days than other method with the artificial propagation time, and close spiral shell maturity is good, and egg-laying time is more consistent.The egg laying amount of Trumpet shell whelk parent spiral shell can repeat repeatedly to lay eggs in mating season than the showed increased without reinforced cultivating simultaneously, thereby improves the individual reproduction ability of Trumpet shell whelk.
Embodiment
Artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin of the present invention may further comprise the steps:
By the end of February~and at the beginning of 3 months, adopt the Trumpet shell whelk of catching from natural waters, select the conduct parent spiral shell that shell is complete, foot shrinks effectively, the high 12.0cm of shell is above to carry out reinforced cultivating at indoor cement pit.Cultivating the pond is rectangular cement pit, and area is 30m 2, the bottom is mounted with the plastic tube of oxygenation, and the fine sand of the about 25-30cm of laying depth.Cement pit is put close spiral shell in a suitable place to breed after sterilization, the breeding density of close spiral shell is 8~10/m 2Daily management, the depth of water keeps 80cm, water temperature and illumination to be controlled in 26-28 ℃, 310~5300LX scope continuous oxygenation in 24 hours respectively in cultivating process.8 o'clock every mornings were changed water 1/2, cleared up throw something and feed behind the residual bait shellfish meat and crab meat fresh, comprehensive nutrition, and feeding volume is decided on the situation of ingesting of close spiral shell, generally throws something and feeds by the amount of Trumpet shell whelk body weight 10%; Trumpet shell whelk is hidden at ordinary times in sand, and excreta almost all concentrates in the environment of perching, and every 3 days Chi Shui is drained and carries out full pond and clean, and particularly fine sand will wash repeatedly, carries out full pool spilling head, thorough disinfection with liquor potassic permanganate afterwards.Trumpet shell whelk is cultivated through strengthening accelerating, can shift to an earlier date 25~30 days maturations and lay eggs, and egg-laying time egg capsule size more consistent, that produced is even, and can repeat repeatedly to lay eggs in mating season, thereby improves the individual reproduction ability of Trumpet shell whelk.

Claims (1)

1, a kind of artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin is characterized in that may further comprise the steps:
(1) selecting of close spiral shell: by the end of February~at the beginning of 3 months, adopt from the sea area select more than the high 12.0cm of shell the Trumpet shell whelk of catching, shell is complete, the flexible strong conduct parent of foot spiral shell carries out the artificial-strengthening accelerating at indoor cement pit and cultivates;
(2) the cultivation facility of close spiral shell: indoor cement pit is a rectangle, area 25--30m 2, dark 1.2--1.3m, the oxygenation plastic tube is settled in the bottom, spreads the thick fine sand of 25~30cm then, cement pit moves into close spiral shell after sterilizing, the breeding density of close spiral shell is 8~10/m 2
(3) daily management: the depth of water keeps 80cm, water temperature and illumination to be controlled in 26~28 ℃, 310~5300LX scope continuous oxygenation in 24 hours respectively in the close spiral shell cultivating process.Every morning is changed water 1/2, clears up throw something and feed behind the residual bait shellfish meat and crab meat fresh, comprehensive nutrition, and feeding volume is decided on the situation of ingesting of close spiral shell; Every three days Chi Shui drained and to carry out full pond and clean, fine sand will wash repeatedly, uses the liquor potassic permanganate full pool spilling head afterwards, thorough disinfection.
CNA2009100370084A 2009-01-21 2009-01-21 Artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin Pending CN101502244A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101946720A (en) * 2010-08-06 2011-01-19 中国水产科学研究院东海水产研究所 Artificial breeding method for tuba false fusus
CN102742524A (en) * 2012-04-23 2012-10-24 浙江海洋学院 Fry breeding method for thais luteostoma
CN104247685A (en) * 2014-08-18 2014-12-31 福建省水产研究所 Method for screening and sorting young babylonia areolata and larva babylonia areolata in different specifications
CN104304101A (en) * 2014-09-10 2015-01-28 宁波大学 Industrialized breeding method for hemifusus tuba gmelin
CN106106271A (en) * 2016-06-20 2016-11-16 中国科学院南海海洋研究所 A kind of Concha Tridacna squamosa continental rise supports accelerating method temporarily
CN107960352A (en) * 2017-12-07 2018-04-27 广东海洋大学 The breeding method of young spiral shell in a kind of Trumpet shell whelk artificial breeding

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101946720A (en) * 2010-08-06 2011-01-19 中国水产科学研究院东海水产研究所 Artificial breeding method for tuba false fusus
CN101946720B (en) * 2010-08-06 2012-08-08 中国水产科学研究院东海水产研究所 Artificial breeding method for tuba false fusus
CN102742524A (en) * 2012-04-23 2012-10-24 浙江海洋学院 Fry breeding method for thais luteostoma
CN102742524B (en) * 2012-04-23 2013-10-09 浙江海洋学院 Fry breeding method for thais luteostoma
CN104247685A (en) * 2014-08-18 2014-12-31 福建省水产研究所 Method for screening and sorting young babylonia areolata and larva babylonia areolata in different specifications
CN104304101A (en) * 2014-09-10 2015-01-28 宁波大学 Industrialized breeding method for hemifusus tuba gmelin
CN106106271A (en) * 2016-06-20 2016-11-16 中国科学院南海海洋研究所 A kind of Concha Tridacna squamosa continental rise supports accelerating method temporarily
CN106106271B (en) * 2016-06-20 2019-03-05 中国科学院南海海洋研究所 A kind of giant clam continental rise temporarily supports accelerating method
CN107960352A (en) * 2017-12-07 2018-04-27 广东海洋大学 The breeding method of young spiral shell in a kind of Trumpet shell whelk artificial breeding

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Open date: 20090812