CN102771425A - Artificial seeding raising method for scylla paramamosain in small water body - Google Patents
Artificial seeding raising method for scylla paramamosain in small water body Download PDFInfo
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- CN102771425A CN102771425A CN2012102601259A CN201210260125A CN102771425A CN 102771425 A CN102771425 A CN 102771425A CN 2012102601259 A CN2012102601259 A CN 2012102601259A CN 201210260125 A CN201210260125 A CN 201210260125A CN 102771425 A CN102771425 A CN 102771425A
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- Y—GENERAL 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
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Abstract
The invention relates to an artificial seeding raising method for scylla paramamosain in a small water body, which comprises the following steps: gradually increasing aeration quantity from the scylla paramamosain zoea cultivation phase and the megalopa cultivation phase to the young crab cultivation phase; collocating corresponding baits in each phase; from the day before differentiated II-phase zoea, changing the water every day, and adding algae to adjust water color, thus realizing the artificial seeding raising for scylla paramamosain in the small water body. The method has the advantages of low application requirements to the seeding raising, low investment, high efficiency, and easiness in understanding, can be quickly understood and handled by the farmers, is fit for artificial seeding raising in the inbred line breeding process, and has an excellent application prospect.
Description
Technical field
The invention belongs to Scylla paramamosain and culture field, the little water body artificial raise seedling method of particularly a kind of Scylla paramamosain.
Background technology
Scylla paramamosain (Scylla paramamosain) belongs to Arthropoda (Arthropoda), Crustachia (Crustacea), Decapoda (Decapoda), Portumidae (Portunidae), mud crab genus (Scylla); China mainly be distributed in the entrance of Changjiang River and on the south coastal marine site, be important marine fishery resources of China and mariculture crab class.
In recent years, the annual production of propagating artificially of China's Scylla paramamosain is stabilized in more than 100,000 tons always, has kept stable growth momentum.But, but so far, the seed of propagating artificially also is mainly derived from the natural seedling in sea area, receives the restriction of sea area natural conditions, and its quality and quantity all are difficult to obtain to guarantee.And the contradiction that seed deficiency and fisherman thirst for enlarging between the breed scale highlights day by day.The research of Scylla paramamosain artificial breeding has obtained the great attention of domestic and international fisheries expert.Research shows that the zoea of Scylla paramamosain comprises five periods, is respectively: I phase zoea, II phase zoea, III phase zoea, IV phase zoea and V phase zoea.Zoea is a megalops larva through development by metamorphosis, and megalops larva is young crab through development by metamorphosis.The young is in the different developmental stage, and its nutritional need, metaboilic level, behavior and adaptive capacity have nothing in common with each other.Zoea is sought the life of swimming; The swimming life of megalops larva battalion, the ability that cuts one another's throats is stronger; And the life of dwelling at the end of young crab battalion, it is very serious to cut one another's throats.
In recent years, China has broken through Scylla paramamosain artificial breeding key technology, has set up factorial seedling growth technology.But factorial seedling growth is had relatively high expectations to culture facility, is difficult in common raiser, extensively promote, and seedling cost is higher in addition, and the also more natural seedling price of the commercial value of juvenile crab exceeds several times, is difficult to accepted by the raiser.In addition, along with carrying out of Scylla paramamosain breeding of new variety work, family selective breeding method is introduced in breeding work, and family selective breeding need be set up the more family of number at short notice, and industrial breeding technique can not satisfy this demand.Therefore, be necessary to set up the seedling growing process of a kind of, less investment low, efficient and easy master, thereby promote health, the fast development of China's Scylla paramamosain aquaculture and inheritting and selecting work the culture facility requirement.
Summary of the invention
Technical problem to be solved by this invention provides the little water body artificial raise seedling method of a kind of Scylla paramamosain; That this method has is low to the culture facility requirement, the advantage of less investment, efficient, easy master; Can be by raiser's digestion and grasp fast; And be applicable to the artificial breeding in the family selective breeding process, have a good application prospect.
The little water body artificial raise seedling method of a kind of Scylla paramamosain of the present invention comprises:
Progressively increase aeration quantity at Scylla paramamosain zoea breeding phase, megalops larva breeding phase and young crab breeding phase; Each stage corresponding bait of arranging in pairs or groups respectively; From metamorphosis is the previous day of II phase zoea to begin to change every day water and add algae and regulate water colour, realizes the little water body artificial breeding of Scylla paramamosain.Said artificial raise seedling method concrete steps are following:
(1) the Scylla paramamosain zoea is cultivated:
I phase zoea is cultivated: collecting energetic I phase zoea and put into and cultivate bucket and cultivate, inflate, is open-mouthed bait with unicellular alga and wheel animalcule, is to change the previous day of II phase zoea 2/3 water in metamorphosis;
II phase zoea is cultivated: aeration quantity strengthens, and changes 2/3 water every day, is main bait with the wheel animalcule, is aided with unicellular alga, is to increase the previous day of III phase zoea to throw the small dimension artemia nauplii in metamorphosis;
III phase zoea is cultivated: aeration quantity continues to strengthen, and changes 2/3 water every day, is main bait with the small dimension artemia nauplii, and add algae and regulate water colour, first day wheel animalcule of throwing something and feeding of III phase, the wheel animalcule of not throwing something and feeding afterwards; In metamorphosis is the previous day of IV phase zoea, pours the young into new bucket and continues to cultivate;
IV phase zoea is cultivated: aeration quantity continues to strengthen, and is little shape that boils, and changes 2/3 water every day, is main bait with the artemia nauplii of medium specification, adds algae and regulates water colour;
V phase zoea is cultivated: aeration quantity continues to strengthen, and is the boiling shape, changes 2/3 water every day, is main bait with the artemia nauplii of big specification, adds algae and regulates water colour; At the 3rd day of the V phase, pour the young into new bucket once more and continue to cultivate;
The body length of above-mentioned big specification artemia nauplii is between 900mm to 1200mm; The body length of above-mentioned medium specification artemia nauplii is between 600mm to 900mm; The body length of above-mentioned small dimension artemia nauplii is less than 600mm;
(2) the Scylla paramamosain megalops larva is cultivated:
Aeration quantity continue to strengthen, and is the boiling shape, changes 2/3 water every day, is bait with the artemia nauplii of big specification, adds algae and regulates water colour; Carry out the branch bucket second day of megalopa stage and cultivate, and in bucket, hang 2 ~ 3 net sheets and supply megalops larvas to adhere to; Since the 3rd day, increase and throw halogen worm adult;
(3) the young crab of Scylla paramamosain is cultivated:
The I phase, young crab was cultivated: keeping aeration quantity, be the boiling shape, change 2/3 water every day, is main with the halogen worm adult of throwing something and feeding, and is aided with the artemia nauplii of big specification, adds algae and regulates water colour, subsequently young crab is invested in Tu Tangzhong and cultures.
The density of I phase zoea is 80 ~ 130 of every premium on currency bodies in the cultivation bucket in the said step (1).
The density of megalops larva was 5 ~ 7 of every premium on currency bodies during branch bucket in the said step (2) was cultivated.
Beneficial effect
That the present invention has is low to the culture facility requirement, the advantage of less investment, efficient, easy master, can be by raiser's digestion and grasping fast, and be applicable to the artificial breeding in the family selective breeding process, have a good application prospect.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
The highest water temperature of cultivating in the bucket is 32 ℃, and minimum water temperature is 28.2 ℃, and seawater salinity is about 30 ‰, and the highlight strength on daytime is 22000Lux.
(1) the Scylla paramamosain zoea is cultivated:
I phase zoea is cultivated: ovigerous crab hatches I phase zoea, utilizes the write by hand net to fish for 8000 ~ 13000 young that the upper strata is energetic, puts into volume and is the cultivation bucket of 100L and cultivate.In bucket, place 2 gas heads, little inflation adds 1.5L every morning and is in unicellular alga and the 400mL wheel animalcule of the exponential phase of growth open-mouthed bait as the young, is to change the previous day of II phase zoea 2/3 water in metamorphosis;
II phase zoea is cultivated: aeration quantity strengthens a little, changes 2/3 water every day, and throw something and feed 450mL wheel animalcule and 1.5L unicellular alga, is the small dimension artemia nauplii that increases throwing weight in wet base 10g the previous day of III phase zoea in metamorphosis;
III phase zoea is cultivated: aeration quantity continues to strengthen, and changes 2/3 water every day, and the small dimension artemia nauplii of the weight in wet base 25g that throws something and feeds and 1.5L unicellular alga, first day 150mL wheel animalcule of throwing something and feeding of III phase, the wheel animalcule of not throwing something and feeding afterwards; In metamorphosis is the previous day of IV phase zoea, adopts the write by hand net that III phase zoea is transferred to a 100L who fills with fresh seawater and cultivates in the bucket, makes it to change a brand-new environment;
IV phase zoea is cultivated: aeration quantity continues to strengthen, and is little shape that boils, and changes 2/3 water every day, and middle specification artemia nauplii and the 1.5L unicellular alga of the weight in wet base 25g that throws something and feeds;
V phase zoea is cultivated: aeration quantity continues to strengthen, and is the boiling shape, changes 2/3 water every day, and big specification artemia nauplii and the 1.5L unicellular alga of the weight in wet base 30g that throws something and feeds; At the 3rd day of the V phase, adopt the write by hand net that V phase zoea is transferred to a 100L who fills with fresh seawater and cultivate in the bucket, make it to change a brand-new environment;
The body length of above-mentioned big specification artemia nauplii is between 900mm to 1200mm; The body length of above-mentioned medium specification artemia nauplii is between 600mm to 900mm; The body length of above-mentioned small dimension artemia nauplii is less than 600mm;
(2) the Scylla paramamosain megalops larva is cultivated:
Aeration quantity continues to strengthen, and is the boiling shape, changes 2/3 water every day, and big specification artemia nauplii and the 1.5L unicellular alga of the weight in wet base 30g that throws something and feeds; Carry out the branch bucket second day of megalopa stage and cultivate, each cultivates 500 in bucket, and 2 nets of suspension sheets supply megalops larvas to adhere in bucket; Since the 3rd day, except that the artemia nauplii and a small amount of algae of the big specification of throwing something and feeding, increase and throw weight in wet base 5g halogen worm adult; In the last day of megalopa stage, megalops larva is counted, show that average each cultivation bucket obtains 953 of megalops larvas, average every premium on currency body obtains 9.5 megalops larvas;
(3) the young crab of Scylla paramamosain is cultivated:
Keep aeration quantity, be the boiling shape, change 2/3 water every day; And big specification artemia nauplii of halogen worm adult, 5g and the 1.5L unicellular alga of the weight in wet base 20g that throws something and feeds; I phase son crab is counted, show that average each cultivation bucket obtains 360 of I phase son crabs, average every premium on currency body obtains 3.6 young crabs; And megalops larva is 72% to the abnormal success rate of young crab, subsequently young crab is invested in Tu Tangzhong and cultures.
Claims (4)
1. little water body artificial raise seedling method of Scylla paramamosain comprises:
Progressively increase aeration quantity at Scylla paramamosain zoea breeding phase, megalops larva breeding phase and young crab breeding phase; Each stage corresponding bait of arranging in pairs or groups respectively; From metamorphosis is the previous day of II phase zoea to begin to change every day water and add algae and regulate water colour, realizes the little water body artificial breeding of Scylla paramamosain.
2. the little water body artificial raise seedling method of a kind of Scylla paramamosain according to claim 1 is characterized in that: said artificial raise seedling method concrete steps are following:
(1) the Scylla paramamosain zoea is cultivated:
I phase zoea is cultivated: collecting energetic I phase zoea and put into and cultivate bucket and cultivate, inflate, is open-mouthed bait with unicellular alga and wheel animalcule, is to change the previous day of II phase zoea 2/3 water in metamorphosis;
II phase zoea is cultivated: aeration quantity strengthens, and changes 2/3 water every day, is main bait with the wheel animalcule, is aided with unicellular alga, is to increase the previous day of III phase zoea to throw the small dimension artemia nauplii in metamorphosis;
III phase zoea is cultivated: aeration quantity continues to strengthen, and changes 2/3 water every day, is main bait with the small dimension artemia nauplii, and add algae and regulate water colour, first day wheel animalcule of throwing something and feeding of III phase, the wheel animalcule of not throwing something and feeding afterwards; In metamorphosis is the previous day of IV phase zoea, pours the young into new bucket and continues to cultivate;
IV phase zoea is cultivated: aeration quantity continues to strengthen, and is little shape that boils, and changes 2/3 water every day, is main bait with the artemia nauplii of medium specification, adds algae and regulates water colour;
V phase zoea is cultivated: aeration quantity continues to strengthen, and is the boiling shape, changes 2/3 water every day, is main bait with the artemia nauplii of big specification, adds algae and regulates water colour; At the 3rd day of the V phase, pour the young into new bucket once more and continue to cultivate;
(2) the Scylla paramamosain megalops larva is cultivated:
Aeration quantity continue to strengthen, and is the boiling shape, changes 2/3 water every day, is bait with the artemia nauplii of big specification, adds algae and regulates water colour; Carry out the branch bucket second day of megalopa stage and cultivate, and in bucket, hang 2 ~ 3 net sheets and supply megalops larvas to adhere to; Since the 3rd day, increase and throw halogen worm adult;
(3) the young crab of Scylla paramamosain is cultivated:
The I phase, young crab was cultivated: keeping aeration quantity, be the boiling shape, change 2/3 water every day, is main with the halogen worm adult of throwing something and feeding, and is aided with the artemia nauplii of big specification, adds algae and regulates water colour, subsequently young crab is invested in Tu Tangzhong and cultures.
3. the little water body artificial raise seedling method of a kind of Scylla paramamosain according to claim 2 is characterized in that: the density of I phase zoea is 80 ~ 130 of every premium on currency bodies in the cultivation bucket in the said step (1).
4. the little water body artificial raise seedling method of a kind of Scylla paramamosain according to claim 2 is characterized in that: the density of megalops larva was 5 ~ 7 of every premium on currency bodies during the branch bucket in the said step (2) was cultivated.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103141422A (en) * | 2013-03-18 | 2013-06-12 | 中国水产科学研究院东海水产研究所 | Cultivation method for green crab seedlings in pond |
| CN106852289A (en) * | 2017-01-12 | 2017-06-16 | 淮海工学院 | A kind of method of raising this Charybdis young survival rates |
| CN109644910A (en) * | 2019-01-10 | 2019-04-19 | 汕头大学 | A kind of pond rearing method of Scylla paramamosain zoea and megalops larva |
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| CN102524147A (en) * | 2012-03-22 | 2012-07-04 | 厦门大学 | Method for pond-classification cultivation of scylla paramamosian |
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2012
- 2012-07-25 CN CN2012102601259A patent/CN102771425A/en active Pending
Patent Citations (2)
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| CN101990850A (en) * | 2009-08-19 | 2011-03-30 | 厦门大学 | Method for culturing and transplanting Scylla fries stage by stage |
| CN102524147A (en) * | 2012-03-22 | 2012-07-04 | 厦门大学 | Method for pond-classification cultivation of scylla paramamosian |
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| 任福海等: "锯缘青蟹工厂化育苗技术", 《河北渔业》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141422A (en) * | 2013-03-18 | 2013-06-12 | 中国水产科学研究院东海水产研究所 | Cultivation method for green crab seedlings in pond |
| CN106852289A (en) * | 2017-01-12 | 2017-06-16 | 淮海工学院 | A kind of method of raising this Charybdis young survival rates |
| CN109644910A (en) * | 2019-01-10 | 2019-04-19 | 汕头大学 | A kind of pond rearing method of Scylla paramamosain zoea and megalops larva |
| CN109644910B (en) * | 2019-01-10 | 2021-10-29 | 汕头大学 | Pond cultivation method for scylla paramamosain flea larvae and megalops larvae |
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Application publication date: 20121114 |