CN102687695A - Yellow seahorse seedling artificial cultivating and farming method - Google Patents
Yellow seahorse seedling artificial cultivating and farming method Download PDFInfo
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- CN102687695A CN102687695A CN2012102045351A CN201210204535A CN102687695A CN 102687695 A CN102687695 A CN 102687695A CN 2012102045351 A CN2012102045351 A CN 2012102045351A CN 201210204535 A CN201210204535 A CN 201210204535A CN 102687695 A CN102687695 A CN 102687695A
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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 discloses a yellow seahorse seedling artificial cultivating and farming method, belonging to the technical field of aquaculture. The method comprises the following concrete steps of: feeding yellow seahorses with proper larvae or adults of moina mongolica and mysis or post larvae of litopenaeus vannamei according to the body length of newly-hatched young yellow seahorses and yellow seahorses in a farming process; and when the young yellow seahorses grow to 2.5-3.0cm, simulating an ecological environment condition of the yellow seahorses in a natural sea area, and supplying sargassum or eucheuma for the yellow seahorses to twine and perch. According to the method disclosed by the invention, fed baits are artificially cultivated, have rich nutrition and can be obtained stably, and can not be influenced by weather and seasonal effects; fed twining objects can promote the self growth by use of harmful substances in the farming environment, sufficiently reduces the content of the harmful substances in water, realizes an effect of purifying the water quality, reduces diseases of the yellow seahorses, and improves the survival rate and the released density. The method disclosed by the invention is easy and convenient to operate and has an obvious effect.
Description
Technical field
The present invention relates to a kind of seawater economic fish seedling artificial culture and cultural technique, particularly big hippocampus seedling artificial culture and cultural method belong to aquaculture field.
Background technology
Hippocampus is subordinate to the Syngnathidae Hippocampus, is distributed widely in the nearly inland sea in the torrid zone, subtropics and temperate zone marine alga, the local small-sized economic fish of sea grass grow prolifically.When static, on the object that marine alga etc. can adhere to, also drift with the tide sometimes with floating thing with the afterbody circumvolution.There is kind surplus the hippocampus 30 in the whole world, and the coastal common hippocampus of China has 5 kinds, is respectively 5 kinds of big hippocampus, strain line hippocampus, hippocampus trimaculatus Leacs, little hippocampus and HIPPOCAMPUSs etc.Hippocampus is flat-sided, higher, the belly protrusion, and trunk is made up of 10-12 joint bone ring.Tails elongated, head is the head of the horse shape, and bending meets at right angles with trunk.Body does not have squama, no side line.Dorsal fin is positioned between trunk and afterbody.Anal fin is short and small, and pectoral fin is short wide, no tail fin, and the tail end point is bald.Each fin is inermis, and fin ray is branch not.Male afterbody tool child-bearing capsule.The reproduction of hippocampus is different with other fish, the mating of oestrusing of ripe male and female hippocampus, and female hippocampus produces ovum in the child-bearing capsule of male hippocampus, and simultaneously male hippocampus is discharged sperm, and fertilized egg is grown in the child-bearing capsule of male hippocampus afterwards, hatches seedling through certain hour.Produced the hippocampus of juvenile fish as long as condition is suitable, mating rapidly again.
Hippocampus have the title of " southern genseng " as a kind of rare traditional Chinese medicine, extremely domestic and international market favor.Along with the continuous deterioration of briny environment and hippocampus demand are increasing and cause overfishing; Cause the hippocampus natural resources in the natural marine site sharply following; The present situation that no hippocampus can catch has appearred in some marine sites that abound with hippocampus in the past; Become animals on the brink of extinction, so hippocampus " southern medicine " kind of being put into state guarantee animal register and having given priority to.
In order to alleviate hippocampus passive situation that supply falls short of demand and protection hippocampus natural resources on the market, carrying out hippocampus artificial breeding and industrial aquaculture is the effective way that addresses the above problem.China's hippocampus artificial breeding is cultured in nineteen fifty-seven and is tested successfully in Guangdong, and the seventies in 20th century, ground such as Guangdong, Fujian, Zhejiang and Jiangsu, Shandong are coastal all to carry out artificial breeding and breed, and main kind is big hippocampus, hippocampus trimaculatus Leacs and strain line hippocampus.Though hippocampus artificial breeding and cultural technique have obtained remarkable progress at present, also have many problems, bait wherein and disease are particularly outstanding.In propagating artificially; Long 0.85～the 1.00cm of squab little hippocampus, bore 0.45～0.68mm; Its survival rate of the open-mouthed bait of the suitable size of must throwing something and feeding just can be guaranteed; Simultaneously according to the life habit of big hippocampus, long some objects of need in culturing the pond, throwing in during to a certain size supply it to twine to attach and perch.
The big squab seedling open-mouthed bait of hippocampus mainly contains wheel animalcule, copepoda nauplius etc. in the tradition artificial culture; Throw something and feed afterwards copepoda adult, small-sized shell-fish, amphipoda etc.; These bait major parts are fished for from the sea area, can't normal supply when running into bad weather; Throw in to supply to twine and attach the hanger-on of perching thin bamboo silk, polyethylene rope, polyethylene gas tube etc. are arranged, these objects long-time back foul that soaks in water adheres to easily, causes bacteria breed, thereby causes the sea equine disease.
The present invention is according to the characteristics of big hippocampus caliber size of each stage; Cultivate and breeding process in throw something and feed the moina mongolica daday young or adult and the Penaeus Vannmei oppossum shrimp of artificial culture, young shrimp; Simultaneously according to the life habit of big hippocampus at natural waters; When propagating artificially, throw in to supply big hippocampus to twine to attach the tangleweed of perching to supply it to twine to attach and perch, to overcome the big hippocampus seedling artificial culture of tradition.
Summary of the invention
The object of the invention is to provide a kind of big hippocampus seedling artificial culture and cultural method, and this method is according to the size of big each stage bore of hippocampus growth, the agreeable to the taste bait of the artificial culture of throwing something and feeding; Simulate life habit and the ecological condition of big hippocampus simultaneously at natural waters; Make it when cement pit is cultured, can adapt to new living environment very soon; And the hanger-on of being thrown in can absorb the harmful substances such as ammonia nitrogen in the water, plays the effect that purifies water, thereby reduces the generation of sea horse disease evil; Can improve and culture survival rate and breeding density, breeding facility is utilized effectively.
The technical scheme that the present invention adopted is: a kind of big hippocampus seedling artificial culture and cultural method comprise the steps:
(1) at area 12～15m
2Breed pond bottom place 6～8 gas stones, culture the pond and after thorough disinfection, add the seawater through sand filtration, sea water advanced 1.0～1.2m;
(2) be moved into the breed pond to the big hippocampus of squab children, the cultivation density of the big hippocampus of children can be greatly during beginning, and the body length that grows to different phase along with the big hippocampus of children changes, and reduces its cultivation density and cultivation density gradually;
When (3) the big hippocampus of children grows to body length 2.5～3.0cm; Throw in tangleweed toward culturing the pond, supply big hippocampus to twine to attach and perch, utilize tangleweed can utilize the ammonia nitrogen in the water to promote the characteristics that self grows simultaneously as nutriment; Improve the condition of water quality of culturing the pond, reduce disease and take place;
(4) daily management: according to the vegetative stage of the big hippocampus of children, in every day 8:00,16:00, the moina mongolica daday young or adult and the Penaeus Vannmei oppossum shrimp or the young shrimps of the different sizes of selecting to throw something and feed; Adopt the siphon method to change water once every day simultaneously, quantity of exchanged water is for culturing 1/3～1/2 of pond seawater total amount; Every at a distance from 4～6 days, stopping the supple of gas or steam let the booty post precipitation of culturing in the pond remove with the siphon method in 30 minutes; The big hippocampus of observed and recorded every day ingests and change conditions movable, envirment factor, in time adjusts daily ration, feeding quantity and takes corresponding measure, carries out the work of preventing and curing diseases.
In the said step (2), the big hippocampus of squab children refers to the big hippocampus of the children of the long 0.8～1.0cm of body, and the cultivation density of the big hippocampus of children is 1300～1500 tails/m when just beginning
3The body length that grows to different phase along with the big hippocampus of children changes, and reduces its cultivation density and cultivation density gradually and is meant: when the big hippocampus of children grew to body length 2.5～3cm, cultivation density was 650～700 tails/m
3, when growing to body length 4～5.5cm, cultivation density is 500～550 tails/m
3, when growing to body length 6～8cm, cultivation density is 320～380 tails/m
3, when growing to body length 10～12cm, cultivation density is 120～150 tails/m
3, growing to body and grow up when 13cm, cultivation density is less than 100 tails/m
3
In the said step (3), it is sargassum or Eucheuma that input supply big hippocampus to twine to attach the tangleweed of perching, and all is to gather from the sea area; Wherein, the put-on method of sargassum is: select frond length 50～80cm, the more sargassum of branch to be clipped on the stone, by 2～3/m
2Density evenly throw at the bottom of the pond because the buoyancy of water effect is up fully prolonged directly frond, the put-on method of Eucheuma is: select branch Eucheuma more, frond length 12～25cm to be clipped on the stone, press 5～6 Eucheuma/m
2Density evenly throw at the bottom of the pond.
In the said step (4); Be meant with Penaeus Vannmei oppossum shrimp or young shrimp according to the vegetative stage of the big hippocampus of children select the to throw something and feed moina mongolica daday young or the adult of different sizes:, throw something and feed through the moina mongolica daday young of 80 mesh sieve thin,tough silk filtration to just hatching 1～5 day the big hippocampus of children; The big hippocampus of the children of the long 1.5～3.0cm of body, throw something and feed moina mongolica daday adult and Penaeus Vannmei oppossum shrimp; The big hippocampus of the children of the long 3.0～4.0cm of body, the young shrimp of Penaeus Vannmei of the long 0.4～0.5cm of moina mongolica daday adult and body that throws something and feeds; Body is grown up in the big hippocampus of 4.5cm, the young shrimp of Penaeus Vannmei of the long 0.8～1.2cm of moina mongolica daday adult and body that throws something and feeds; Various bait feeding amounts bait in the water when next time throwing something and feeding shows a small surplus and is advisable.
Said different big or small the moina mongolica daday young or adult and Penaeus Vannmei oppossum shrimp or young shrimps of throwing something and feeding according to the vegetative stage selection of the big hippocampus of children are artificial culture.
Said stopping the supple of gas or steam is meant that the valve with control gas stone tolerance closes fully.
With respect to prior art, big hippocampus seedling artificial culture of the present invention and cultural method, its advantage is: the bait of throwing something and feeding is artificial culture, and these food nutritions are abundant, suitable size, and steady sources, weatherproof; The ecological environmental condition of the big hippocampus in simulating nature sea area; Throwing in it likes twining and attaches the tangleweed of perching; And tangleweed can effectively utilize harmful material such as the ammonia nitrogen in the water, plays the effect that purifies water, thereby reduces the generation of sea horse disease evil; Improve big hippocampus and culture survival rate and breeding density, breeding facility is fully used.
Embodiment
Through embodiment the present invention is explained further details below, these embodiment only are used for explaining the present invention, do not limit the scope of the invention.
Embodiment 1Adopt following steps to carry out big hippocampus seedling artificial culture and breed.
1, at area 12m
2Breed pond bottom place 6 gas stones, culture the pond and after thorough disinfection, add the seawater through sand filtration, sea water advanced 1.0m.
2, the adjustment of the cultivation of the big hippocampus of children and cultivation density and cultivation density:
(1) the big hippocampus of children with the long 0.8～1.0cm of squab body is moved into the breed pond, and the cultivation density of the big hippocampus of children is 1300 tails/m when just beginning
3
(2) grow to long variation of body of different phase along with the big hippocampus of children, reduce it gradually by following method and cultivate density and cultivation density:
When 1. growing to body length 2.5～3cm, cultivation density is 650 tails/m
3
When 2. growing to body length 4～5.5cm, cultivation density is 550 tails/m
3
When 3. growing to body length 6～7cm, cultivation density is 380 tails/m
3
When 4. growing to body length 10～11cm, cultivation density is 150 tails/m
3
When 5. growing to the long 13cm of body, cultivation density 90 tails/m
3
3, tangleweed is thrown in:
When (1) the big hippocampus of children grows to body length 2.5～3.0cm; The tangleweed sargassum of gathering from the sea area is thrown in and supplies big hippocampus to twine to attach into the breed pond to perch; Utilize sargassum can utilize the ammonia nitrogen in the water to promote the characteristics that self grows simultaneously as nutriment; Improve the condition of water quality of culturing the pond, reduce disease and take place;
(2) put-on method of sargassum is: select frond length 50～65cm, the more sargassum of branch to be clipped on the stone, by 3/m
2Density evenly throw at the bottom of the pond because the buoyancy of water effect is up fully prolonged directly frond.
4, daily management:
(1) the moina mongolica daday young of the different sizes of selection artificial culture or adult and Penaeus Vannmei oppossum shrimp or young shrimp are as bait; According to following method; Following different vegetative stages according to the big hippocampus of children; 8:00,16:00 throw something and feed every day, and the feeding volume of various bait bait in the water when next time throwing something and feeding shows a small surplus and is advisable:
1. to just hatching 1～3 day the big hippocampus of children, the moina mongolica daday young of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk;
2. body is grown the big hippocampus of children of 1.5～3.0cm, throw something and feed moina mongolica daday adult and Penaeus Vannmei oppossum shrimp;
3. to the big hippocampus of children of the long 3.0～4.0cm of body, the Penaeus Vannmei son shrimp of the long 0.4～0.5cm of moina mongolica daday adult and body that throws something and feeds;
4. body is grown up in the big hippocampus of 4.5cm the young shrimp of Penaeus Vannmei of the long 0.8～1.0cm of moina mongolica daday adult and body that throws something and feeds;
(2) in the breeding process, adopt every day the siphon method to change water once, quantity of exchanged water is for culturing 1/3 of pond seawater total amount; Every at a distance from 4 days, the valve of control gas stone tolerance is closed fully and is stopped the supple of gas or steam 30 minutes, lets the booty post precipitation of culturing in the pond remove with the siphon method;
(3) the big hippocampus of observed and recorded every day ingests and change conditions movable, envirment factor, in time adjusts daily ration, feeding quantity and takes corresponding measure, carries out the work of preventing and curing diseases.
Adopt the inventive method, the big hippocampus of the children of hatching was cultivated through 38 days, and body is long on average to reach 4.0cm, and survival rate is 72.3%; Culturing the long 16.7cm of big hippocampus average body through 208 days again can gather in the crops.From hatching results, whole process survival rate reaches 67.2%.
Embodiment 2Adopt following steps to carry out big hippocampus seedling artificial culture and breed.
1, at area 13m
2Breed pond bottom place 7 gas stones, culture the pond and after thorough disinfection, add the seawater through sand filtration, sea water advanced 1.1m.
2, the adjustment of the cultivation of the big hippocampus of children and cultivation density and cultivation density:
(1) the big hippocampus of children with the long 0.8～0.9cm of squab body is moved into the breed pond, and the cultivation density of the big hippocampus of children is 1400 tails/m when just beginning
3
(2) grow to long variation of body of different phase along with the big hippocampus of children, reduce it gradually by following method and cultivate density and cultivation density:
When 1. growing to body length 2.5～3cm, cultivation density is 700 tails/m
3
When 2. growing to body length 4～5.0cm, cultivation density is 500 tails/m
3
When 3. growing to body length 6.5～8cm, cultivation density is 350 tails/m
3
When 4. growing to body length 10.5～12cm, cultivation density is 130 tails/m
3
When 5. growing to the long 15cm of body, cultivation density 70 tails/m
3
3, tangleweed is thrown in:
When (1) the big hippocampus of children grows to body length 2.5～3.0cm; The tangleweed sargassum of gathering from the sea area is thrown in and supplies big hippocampus to twine to attach into the breed pond to perch; Utilize sargassum can utilize the ammonia nitrogen in the water to promote the characteristics that self grows simultaneously as nutriment; Improve the condition of water quality of culturing the pond, reduce disease and take place;
(2) put-on method of sargassum is: select frond length 60～80cm, the more sargassum of branch to be clipped on the stone, by 2/m
2Density evenly throw at the bottom of the pond because the buoyancy of water effect is up fully prolonged directly frond.
4, daily management:
(1) the moina mongolica daday young of the different sizes of selection artificial culture or adult and Penaeus Vannmei oppossum shrimp or young shrimp are as bait; According to following method; Following different vegetative stages according to the big hippocampus of children; 8:00,16:00 throw something and feed every day, and the feeding volume of various bait bait in the water when next time throwing something and feeding shows a small surplus and is advisable:
1. to just hatching 2～4 days the big hippocampus of children, the moina mongolica daday young of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk;
2. body is grown the big hippocampus of children of 1.5～3.0cm, throw something and feed moina mongolica daday adult and Penaeus Vannmei oppossum shrimp;
3. to the big hippocampus of children of the long 3.0～4.0cm of body, the Penaeus Vannmei son shrimp of the long 0.4～0.5cm of moina mongolica daday adult and body that throws something and feeds;
4. body is grown up in the big hippocampus of 4.5cm the young shrimp of Penaeus Vannmei of the long 0.8～1.2cm of moina mongolica daday adult and body that throws something and feeds;
(2) in the breeding process, adopt every day the siphon method to change water once, quantity of exchanged water is for culturing 1/2 of pond seawater total amount; Every at a distance from 6 days, the valve of control gas stone tolerance is closed fully and is stopped the supple of gas or steam 30 minutes, lets the booty post precipitation of culturing in the pond remove with the siphon method;
(3) the big hippocampus of observed and recorded every day ingests and change conditions movable, envirment factor, in time adjusts daily ration, feeding quantity and takes corresponding measure, carries out the work of preventing and curing diseases.
Adopt the inventive method, the big hippocampus of the children of hatching was cultured and can gather in the crops through 258 days.The long 17.3cm of big hippocampus average body during results, survival rate is 70.2%.
Embodiment 3Adopt following steps to carry out big hippocampus seedling artificial culture and breed.
1, at area 15m
2Breed pond bottom place 8 gas stones, culture the pond and after thorough disinfection, add the seawater through sand filtration, sea water advanced 1.2m.
2, the adjustment of the cultivation of the big hippocampus of children and cultivation density and cultivation density:
(1) the big hippocampus of children with the long 0.9～1.0cm of squab body is moved into the breed pond, and the cultivation density of the big hippocampus of children is 1500 tails/m when just beginning
3
(2) grow to long variation of body of different phase along with the big hippocampus of children, reduce it gradually by following method and cultivate density and cultivation density:
When 1. growing to body length 2.5～3cm, cultivation density is 680 tails/m
3
When 2. growing to body length 4.5～5.5cm, cultivation density is 530 tails/m
3
When 3. growing to body length 7～8cm, cultivation density is 320 tails/m
3
When 4. growing to body length 10～12cm, cultivation density is 120 tails/m
3
When 5. growing to the long 14cm of body, cultivation density 80 tails/m
3
3, tangleweed is thrown in:
When (1) the big hippocampus of children grows to body length 2.5～3.0cm; The tangleweed Eucheuma of gathering from the sea area is thrown in and supplies big hippocampus to twine to attach into the breed pond to perch; Utilize Eucheuma can utilize the ammonia nitrogen in the water to promote the characteristics that self grows simultaneously as nutriment; Improve the condition of water quality of culturing the pond, reduce disease and take place;
(2) put-on method of Eucheuma is: select branch Eucheuma more, frond length 16～25cm to be clipped on the stone, by 5 Eucheuma/m
2Density evenly throw at the bottom of the pond.
4, daily management:
(1) the moina mongolica daday young of the different sizes of selection artificial culture or adult and Penaeus Vannmei oppossum shrimp or young shrimp are as bait; According to following method; Following different vegetative stages according to the big hippocampus of children; 8:00,16:00 throw something and feed every day, and the feeding volume of various bait bait in the water when next time throwing something and feeding shows a small surplus and is advisable:
1. to just hatching 3～5 days the big hippocampus of children, the moina mongolica daday young of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk;
2. body is grown the big hippocampus of children of 2.0～3.0cm, throw something and feed moina mongolica daday adult and Penaeus Vannmei oppossum shrimp;
3. to the big hippocampus of children of the long 3.0～4.0cm of body, the Penaeus Vannmei son shrimp of the long 0.4～0.5cm of moina mongolica daday adult and body that throws something and feeds;
4. body is grown up in the big hippocampus of 4.5cm the young shrimp of Penaeus Vannmei of the long 0.9～1.2cm of moina mongolica daday adult and body that throws something and feeds;
(2) in the breeding process, adopt every day the siphon method to change water once, quantity of exchanged water is for culturing 1/2 of pond seawater total amount; Every at a distance from 5 days, the valve of control gas stone tolerance is closed fully and is stopped the supple of gas or steam 30 minutes, lets the booty post precipitation of culturing in the pond remove with the siphon method;
(3) the big hippocampus of observed and recorded every day ingests and change conditions movable, envirment factor, in time adjusts daily ration, feeding quantity and takes corresponding measure, carries out the work of preventing and curing diseases.
Adopt the inventive method, the big hippocampus of the children of hatching was cultivated through 40 days, the long average 4.1cm of body, and survival rate is 67.3%.The big hippocampus of the children of the long 4.1cm of average body was cultured through 216 days, and big hippocampus length can reach 16.8cm.
Embodiment 4Adopt following steps to carry out big hippocampus seedling artificial culture and breed.
1, at area 15m
2Breed pond bottom place 7 gas stones, culture the pond and after thorough disinfection, add the seawater through sand filtration, sea water advanced 1.1m.
2, the adjustment of the cultivation of the big hippocampus of children and cultivation density and cultivation density:
(1) the big hippocampus of children with the long 0.8～1.0cm of squab body is moved into the breed pond, and the cultivation density of the big hippocampus of children is 1450 tails/m when just beginning
3
(2) grow to long variation of body of different phase along with the big hippocampus of children, reduce it gradually by following method and cultivate density and cultivation density:
When 1. growing to body length 2.5～3cm, cultivation density is 660 tails/m
3
When 2. growing to body length 4～5.5cm, cultivation density is 520 tails/m
3
When 3. growing to body length 6～8cm, cultivation density is 340 tails/m
3
When 4. growing to body length 10～12cm, cultivation density is 130 tails/m
3
5. grow to body and grow up when 13cm, cultivation density is less than 100 tails/m
3
3, tangleweed is thrown in:
When (1) the big hippocampus of children grows to body length 2.5～3.0cm; The tangleweed Eucheuma of gathering from the sea area is thrown in and supplies big hippocampus to twine to attach into the breed pond to perch; Utilize Eucheuma can utilize the ammonia nitrogen in the water to promote the characteristics that self grows simultaneously as nutriment; Improve the condition of water quality of culturing the pond, reduce disease and take place;
(2) put-on method of Eucheuma is: select branch Eucheuma more, frond length 12～18cm to be clipped on the stone, by 6 Eucheuma/m
2Density evenly throw at the bottom of the pond.
4, daily management:
(1) the moina mongolica daday young of the different sizes of selection artificial culture or adult and Penaeus Vannmei oppossum shrimp or young shrimp are as bait; According to following method; Following different vegetative stages according to the big hippocampus of children; 8:00,16:00 throw something and feed every day, and the feeding volume of various bait bait in the water when next time throwing something and feeding shows a small surplus and is advisable:
1. to just hatching 1～5 day the big hippocampus of children, the moina mongolica daday young of throwing something and feeding and filtering through 80 mesh sieve thin,tough silk;
2. body is grown the big hippocampus of children of 1.5～2.5cm, throw something and feed moina mongolica daday adult and Penaeus Vannmei oppossum shrimp;
3. to the big hippocampus of children of the long 3.0～4.0cm of body, the Penaeus Vannmei son shrimp of the long 0.4～0.5cm of moina mongolica daday adult and body that throws something and feeds;
4. to the big hippocampus more than the long 4.5cm of body, throw something and feed moina mongolica daday adult and body are grown the young shrimp of Penaeus Vannmei of 0.8～1.1cm;
(2) in the breeding process, adopt every day the siphon method to change water once, quantity of exchanged water is for culturing 1/3 of pond seawater total amount; Every at a distance from 4 days, the valve of control gas stone tolerance is closed fully and is stopped the supple of gas or steam 30 minutes, lets the booty post precipitation of culturing in the pond remove with the siphon method;
(3) the big hippocampus of observed and recorded every day ingests and change conditions movable, envirment factor, in time adjusts daily ration, feeding quantity and takes corresponding measure, carries out the work of preventing and curing diseases.
Adopt the inventive method, the big hippocampus of the children of hatching was cultivated through 46 days, and body is long on average to reach 4.5cm, and survival rate is 69.3%; Cultured through 216 days again and can gather in the crops the long 17.3cm of big hippocampus average body.From hatching results, survival rate is 65.7%.
Claims (6)
1. one kind big hippocampus seedling artificial culture and cultural method is characterized in that: comprise the steps:
(1) at area 12～15m
2Breed pond bottom place 6～8 gas stones, culture the pond and after thorough disinfection, add the seawater through sand filtration, sea water advanced 1.0～1.2m;
(2) be moved into the breed pond to the big hippocampus of squab children, the cultivation density of the big hippocampus of children can be greatly during beginning, and the body length that grows to different phase along with the big hippocampus of children changes, and reduces its cultivation density and cultivation density gradually;
When (3) the big hippocampus of children grows to body length 2.5～3.0cm; Throw in tangleweed toward culturing the pond, supply big hippocampus to twine to attach and perch, utilize tangleweed can utilize the ammonia nitrogen in the water to promote the characteristics that self grows simultaneously as nutriment; Improve the condition of water quality of culturing the pond, reduce disease and take place;
(4) daily management: according to the vegetative stage of the big hippocampus of children, in every day 8:00,16:00, the moina mongolica daday young or adult and the Penaeus Vannmei oppossum shrimp or the young shrimps of the different sizes of selecting to throw something and feed; Adopt the siphon method to change water once every day simultaneously, quantity of exchanged water is for culturing 1/3～1/2 of pond seawater total amount; Every at a distance from 4～6 days, stopping the supple of gas or steam let the booty post precipitation of culturing in the pond remove with the siphon method in 30 minutes; The big hippocampus of observed and recorded every day ingests and change conditions movable, envirment factor, in time adjusts daily ration, feeding quantity and takes corresponding measure, carries out the work of preventing and curing diseases.
2. big hippocampus seedling artificial culture according to claim 1 and cultural method; It is characterized in that: in the said step (2); The big hippocampus of squab children refers to the big hippocampus of the children of the long 0.8～1.0cm of body, and the cultivation density of the big hippocampus of children is 1300～1500 tails/m when just beginning
3The body length that grows to different phase along with the big hippocampus of children changes, and reduces its cultivation density and cultivation density gradually and is meant: when the big hippocampus of children grew to body length 2.5～3cm, cultivation density was 650～700 tails/m
3, when growing to body length 4～5.5cm, cultivation density is 500～550 tails/m
3, when growing to body length 6～8cm, cultivation density is 320～380 tails/m
3, when growing to body length 10～12cm, cultivation density is 120～150 tails/m
3, growing to body and grow up when 13cm, cultivation density is less than 100 tails/m
3
3. big hippocampus seedling artificial culture according to claim 1 and cultural method is characterized in that: in the said step (3), it is sargassum or Eucheuma that input supply big hippocampus to twine to attach the tangleweed of perching, and all is to gather from the sea area; Wherein, the put-on method of sargassum is: select frond length 50～80cm, the more sargassum of branch to be clipped on the stone, by 2～3/m
2Density evenly throw at the bottom of the pond because the buoyancy of water effect is up fully prolonged directly frond, the put-on method of Eucheuma is: select branch Eucheuma more, frond length 12～25cm to be clipped on the stone, press 5～6 Eucheuma/m
2Density evenly throw at the bottom of the pond.
4. big hippocampus seedling artificial culture according to claim 1 and cultural method; It is characterized in that: in the said step (4); Be meant with Penaeus Vannmei oppossum shrimp or young shrimp according to the vegetative stage of the big hippocampus of children select the to throw something and feed moina mongolica daday young or the adult of different sizes:, throw something and feed through the moina mongolica daday young of 80 mesh sieve thin,tough silk filtration to just hatching 1～5 day the big hippocampus of children; The big hippocampus of the children of the long 1.5～3.0cm of body, throw something and feed moina mongolica daday adult and Penaeus Vannmei oppossum shrimp; The big hippocampus of the children of the long 3.0～4.0cm of body, the young shrimp of Penaeus Vannmei of the long 0.4～0.5cm of moina mongolica daday adult and body that throws something and feeds; Body is grown up in the big hippocampus of 4.5cm, the young shrimp of Penaeus Vannmei of the long 0.8～1.2cm of moina mongolica daday adult and body that throws something and feeds; Various bait feeding amounts bait in the water when next time throwing something and feeding shows a small surplus and is advisable.
5. according to claim 1 or 4 described big hippocampus seedling artificial culture and cultural methods; It is characterized in that: said different big or small the moina mongolica daday young or adult and Penaeus Vannmei oppossum shrimp or young shrimps of throwing something and feeding according to the vegetative stage selection of the big hippocampus of children are artificial culture.
6. big hippocampus seedling artificial culture according to claim 1 and cultural method is characterized in that: said stopping the supple of gas or steam is meant that the valve with control gas stone tolerance closes fully.
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| CN104381172A (en) * | 2014-11-17 | 2015-03-04 | 苏州市相城区盛胡特种养殖专业合作社 | Ecological aquaculture method for sea horses |
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| CN106069894A (en) * | 2016-06-13 | 2016-11-09 | 广东海洋大学 | A kind of method improving Hippocampus Kuda artificial breeding survival rate |
| CN107047383A (en) * | 2017-03-16 | 2017-08-18 | 广西精工海洋科技有限公司 | A kind of hippocampus seedling cultural technique |
| CN107372212A (en) * | 2017-07-18 | 2017-11-24 | 青岛浩然生态海洋水产科技有限公司 | A kind of hippocampus seed net cage forms method |
| CN113598092A (en) * | 2021-07-13 | 2021-11-05 | 福建省水产研究所（福建水产病害防治中心） | Method for cultivating bulked hippocampus family |
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