CN103202249A - Drop cultivating device and method of pomfret larvae - Google Patents
Drop cultivating device and method of pomfret larvae Download PDFInfo
- Publication number
- CN103202249A CN103202249A CN2013100817696A CN201310081769A CN103202249A CN 103202249 A CN103202249 A CN 103202249A CN 2013100817696 A CN2013100817696 A CN 2013100817696A CN 201310081769 A CN201310081769 A CN 201310081769A CN 103202249 A CN103202249 A CN 103202249A
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- China
- Prior art keywords
- wheel animalcule
- bucket
- throwing
- nursery pond
- dripped
- Prior art date
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- 241000630524 Taractes rubescens Species 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title abstract description 11
- 241000700141 Rotifera Species 0.000 claims abstract description 66
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000003203 everyday effect Effects 0.000 claims abstract description 4
- 238000009395 breeding Methods 0.000 claims description 21
- 230000001488 breeding effect Effects 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 3
- 230000004083 survival effect Effects 0.000 abstract description 7
- 241000251468 Actinopterygii Species 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 206010022998 Irritability Diseases 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 230000000384 rearing effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000801108 Ephippus orbis Species 0.000 description 1
- 241001214258 Pampus argenteus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention relates a drop cultivating device and a method of pomfret larvae. The device comprises a nursery pond and a rotifer cultivating barrel, wherein the rotifer cultivating barrel is placed on one side of the nursery pond. A rotifer outlet hole with a valve is arranged on the lower end of the rotifer cultivating barrel, the rotifer outlet hole is connected with a circle of circular pipe which is located in the inner side above the nursery pond, a plurality of air holes are formed on the lower side of the circular pipe, and the air holes are connected with air pipes which droop down into the nursery pond through an air valve. According to the cultivating device, the method comprises of using chlorella to perform enhanced cultivation on rotifer; opening the air valve on the air pipe regularly every day; then opening the valve on the rotifer outlet hole, the dropping speed of rotifer is controlled at the degree that the dropping is at a constant speed but water flow is not formed, and closing the valve on the rotifer outlet hole after fixed time. According to the invention, the cultivating survival rate of larvae can be increased.
Description
Technical field
The present invention relates to the fish offspring seed cultivation method, particularly relate to the young postlarva of a kind of silvery pomfret and drip breeding arrangement and the method for throwing.
Background technology
Silvery pomfret (Pampus argenteus) is commonly called as orbfish, is one of coastal main marine products economic fish of China, and it is nutritious, delicious in taste, has very high market value.Yet because the continuous deterioration of marine site water environment and overfishing etc., the sign that significantly fails has appearred in wild silvery pomfret resource.Along with the continuous expansion of the market demand, only depend on and fish for wild silvery pomfret resource and can not satisfy current market demand far away.Since the 1980s, domestic researcher has just begun the research work to the silvery pomfret reproductive biology successively.Yet, owing to silvery pomfret squama Xiao Yi comes off, and coerced by irritability and dead, operation easier is bigger.In the last few years, along with the continuous progress of investigative technique means, although the scientific research personnel has captured the many bottleneck difficult problems in silvery pomfret artificial breeding and the breeding process, the propagation in scale of the silvery pomfret of still being unrealized so far.One of reason is that during the seed rearing be that young postlarva nurturing period survival rate is on the low side.
In the young postlarva cultivating process of silvery pomfret, seed is coerced by irritability very easily and death takes place.The wherein daily operation of throwing something and feeding also is to influence one of key factor of the young postlarva cultivating survival rate of silvery pomfret.Generally, in carrying out fish seed rearing process, the daily operation of throwing something and feeding of living baits such as wheel animalcule is among the disposable seedling pond of throwing something and feeding.Thisly can cause following several adverse consequences usually, the one, bait is excessive easily to cause waste; The 2nd, living bait is serious at the time of Miao Chizhong long back nutrition leak, easily causes seed oligotrophy after being ingested; The 3rd, easily cause the accumulation of the dead bait in bottom, seedling pond, thereby destroy the condition of water quality in the seedling pond, finally influence survival rate of young.Therefore, how carrying out the operation of effective bait feeding is a technical barrier in the research of silvery pomfret artificial breeding.
Summary of the invention
Technical problem to be solved by this invention provides the young postlarva of a kind of silvery pomfret and drips throwing breeding arrangement and method, reduces the stress reaction of young postlarva, ensures the nutritive value of the living bait of taking in and stablizing of seedling pond water quality, improves the cultivating survival rate of young postlarva.
The technical solution adopted for the present invention to solve the technical problems is: provide the young postlarva of a kind of silvery pomfret to drip the throwing breeding arrangement, comprise nursery pond and wheel animalcule cultivation bucket, described wheel animalcule is cultivated bucket and is placed on described nursery pond on one side; Described wheel animalcule is cultivated the bucket lower end and is provided with the wheel animalcule delivery outlet that has valve; Described wheel animalcule delivery outlet links to each other by a pipeline circle pipe inboard with being positioned at the nursery pond top; Be furnished with a plurality of pores on the downside tube wall of described pipe; Described pore is connected with the tracheae that hangs down in the nursery pond by air valve.
The height that described wheel animalcule is cultivated bucket is higher than described nursery pond.
The bucket end that described wheel animalcule is cultivated bucket, be conical structure, and conical lower section also is provided with central discharge outlet.
The position of described wheel animalcule delivery outlet exceeds conical lower section 5cm.
Described wheel animalcule is cultivated inflation gas stone in the bucket bucket.
Described length of trachea is full-length with the water surface in the described nursery pond of end in contact under the tracheae.
The technical solution adopted for the present invention to solve the technical problems is: also provide the young postlarva of a kind of silvery pomfret to drip the throwing breeding method, adopt above-mentioned breeding arrangement, may further comprise the steps:
(1) in cultivating bucket, wheel animalcule adopt chlorella to carry out the wheel animalcule reinforced cultivating;
(2) air valve on the tracheae is opened in set time every day, then with the valve open of wheel animalcule equipped at outlet port, made the throwing speed of the dripping control of wheel animalcule at the uniform velocity splash into but do not become the degree of current by adjusting;
(3) spend the set time and closed the valve of wheel animalcule equipped at outlet port.
Comprise also after the described step (3) that the wheel animalcule that wheel animalcule is cultivated the death of bucket inner bottom part is in time drained and the step of additional chlorella.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect: the irritability that the present invention has avoided artificial bait throwing in to bring is coerced, and has farthest reduced the stress damage of the young postlarva of silvery pomfret; Simultaneously can save bait, avoid too wasting, reduce seedling cost, ensure fully that also the wheel animalcule that fry is taken in contains more rich nutrient, is beneficial to growing of pomfret fingerlings; The present invention has avoided the accumulation of too much dead bait in the nursery pond, has ensured the condition of water quality in the nursery pond, improves the survival rate of cultivating.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications 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.
First embodiment of the present invention relates to the young postlarva of a kind of silvery pomfret and drips the throwing breeding arrangement, as shown in Figure 1, comprises nursery pond 1 and wheel animalcule cultivation bucket 2, and described wheel animalcule is cultivated bucket 2 and is placed on described nursery pond 1 on one side by support 3; Described wheel animalcule is cultivated bucket 2 lower ends and is provided with the wheel animalcule delivery outlet that has valve; Described wheel animalcule delivery outlet links to each other with a circle PVC pipe 7 that is positioned at inboard, nursery pond 1 top by pvc pipe road 4; Evenly be furnished with a plurality of pores along the pipe circumferential arrangement on the downside tube wall of described PVC pipe 7; Described pore is connected with the tracheae 9 that hangs down in the nursery pond by air valve 8.The height that described wheel animalcule is cultivated bucket 2 is higher than described nursery pond 1.The bucket end that described wheel animalcule is cultivated bucket 2, be conical structure, and conical lower section also is provided with central discharge outlet 6.The position of described wheel animalcule delivery outlet exceeds conical lower section 5cm.Described wheel animalcule is cultivated in 2 barrels in the bucket inflation gas stone 5.The length of described tracheae 9 is full-length with the water surface in the described nursery pond 1 of 9 times end in contact of tracheae.
Second embodiment of the present invention relates to the young postlarva of a kind of silvery pomfret and drips the throwing breeding method, adopts above-mentioned breeding arrangement, may further comprise the steps:
(1) in cultivating bucket, wheel animalcule adopt chlorella to carry out the wheel animalcule reinforced cultivating;
(2) air valve on the tracheae is opened in set time every day, then with the valve open of wheel animalcule equipped at outlet port, made the throwing speed of the dripping control of wheel animalcule at the uniform velocity splash into but do not become the degree of current by adjusting;
(3) spend the set time and closed the valve of wheel animalcule equipped at outlet port.
Comprise also after the described step (3) that the wheel animalcule that wheel animalcule is cultivated the death of bucket inner bottom part is in time drained and the step of additional chlorella.
Next further specify the present invention with a specific embodiment.
At Wenzhou City, Zhejiang Province Dongtou County nursery carry out the dripping of silvery pomfret young postlarva and thrown culture experiment to June 2012 Mays on days.Cultivate 3 age in days pomfret fingerlings to 25 ages in days.In cultivating bucket, wheel animalcule adopt chlorella to carry out the reinforced cultivating of wheel animalcule earlier before cultivating beginning.In the process of the test, 7 of every mornings are to point in afternoons 4, earlier all air valves above the PVC pipe are opened by a small margin, then the valve of wheel animalcule equipped at outlet port is slowly opened, by regulating, make the throwing speed of the dripping control of wheel animalcule at the uniform velocity splash into but do not become the degree of current, afternoon 4 valves of closing the wheel animalcule delivery outlet.Simultaneously, the wheel animalcule of wheel animalcule hot housing bucket inner bottom part death is in time drained, and in time replenish chlorella.After the off-test, the cultivating survival rate of the young postlarva of silvery pomfret has improved nearly 20% than traditional aspect, and it is nearly 25% that the bait utilization has reduced, and dirts such as the dead bait in nursery pond bottom obviously reduce.
Claims (8)
1. the young postlarva of silvery pomfret is dripped the throwing breeding arrangement, comprises nursery pond (1) and wheel animalcule cultivation bucket (2), it is characterized in that described wheel animalcule is cultivated bucket (2) and is placed on described nursery pond (1) on one side; Described wheel animalcule is cultivated bucket (2) lower end and is provided with the wheel animalcule delivery outlet that has valve; Described wheel animalcule delivery outlet links to each other by pipeline (a 4) circle pipe (7) inboard with being positioned at nursery pond (1) top; Be furnished with a plurality of pores on the downside tube wall of described pipe (7); Described pore is connected with the tracheae (9) that hangs down in the nursery pond (1) by air valve (8).
2. the young postlarva of silvery pomfret according to claim 1 is dripped the throwing breeding arrangement, it is characterized in that the height that described wheel animalcule is cultivated bucket (2) is higher than described nursery pond (1).
3. the young postlarva of silvery pomfret according to claim 1 is dripped the throwing breeding arrangement, it is characterized in that, the bucket end that described wheel animalcule is cultivated bucket (2) is conical structure, and conical lower section also is provided with central discharge outlet (6).
4. the young postlarva of silvery pomfret according to claim 3 is dripped the throwing breeding arrangement, it is characterized in that the position of described wheel animalcule delivery outlet exceeds conical lower section 5cm.
5. the young postlarva of silvery pomfret according to claim 1 is dripped the throwing breeding arrangement, it is characterized in that, described wheel animalcule is cultivated inflation gas stone (5) in bucket (2) bucket.
6. the young postlarva of silvery pomfret according to claim 1 is dripped the throwing breeding arrangement, it is characterized in that the length of described tracheae (9) is full-length with the water surface in the described nursery pond of end in contact (1) under the tracheae (9).
7. the young postlarva of silvery pomfret is dripped the throwing breeding method, it is characterized in that, adopts as the described breeding arrangement of arbitrary claim among the claim 1-6, may further comprise the steps:
(1) in cultivating bucket, wheel animalcule adopt chlorella to carry out the wheel animalcule reinforced cultivating;
(2) air valve on the tracheae is opened in set time every day, then with the valve open of wheel animalcule equipped at outlet port, made the throwing speed of the dripping control of wheel animalcule at the uniform velocity splash into but do not become the degree of current by adjusting;
(3) spend the set time and closed the valve of wheel animalcule equipped at outlet port.
8. the young postlarva of silvery pomfret according to claim 7 is dripped the throwing breeding method, it is characterized in that, comprises also after the described step (3) that the wheel animalcule that wheel animalcule is cultivated the death of bucket inner bottom part is in time drained and the step of additional chlorella.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081769.6A CN103202249B (en) | 2013-03-14 | 2013-03-14 | Drop cultivating device and method of pomfret larvae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081769.6A CN103202249B (en) | 2013-03-14 | 2013-03-14 | Drop cultivating device and method of pomfret larvae |
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| Publication Number | Publication Date |
|---|---|
| CN103202249A true CN103202249A (en) | 2013-07-17 |
| CN103202249B CN103202249B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310081769.6A Expired - Fee Related CN103202249B (en) | 2013-03-14 | 2013-03-14 | Drop cultivating device and method of pomfret larvae |
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| CN (1) | CN103202249B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988803A (en) * | 2014-06-18 | 2014-08-20 | 宁德市富发水产有限公司 | Siphoning type zooplankton feed incubation and feeding system and using method thereof |
| CN104719205A (en) * | 2015-03-20 | 2015-06-24 | 北京农业信息技术研究中心 | Intelligent temporary culture method for aquaculture fry |
| CN104872045A (en) * | 2015-06-01 | 2015-09-02 | 邹苏琪 | Fully-automatic juvenile fish breeding device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU660636A1 (en) * | 1977-11-16 | 1979-05-05 | Yaremenko Vladislav V | Device for distributing feed to fish in water reservoirs |
| KR100308581B1 (en) * | 1999-06-23 | 2001-09-24 | 구선영 | Nursery System for Raising Fishes Having Buoyancy-Control Function and Method of Using the System |
| CN202456089U (en) * | 2012-02-29 | 2012-10-03 | 中国水产科学研究院东海水产研究所 | Young silvery pomfret fry culture experiment device |
-
2013
- 2013-03-14 CN CN201310081769.6A patent/CN103202249B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU660636A1 (en) * | 1977-11-16 | 1979-05-05 | Yaremenko Vladislav V | Device for distributing feed to fish in water reservoirs |
| KR100308581B1 (en) * | 1999-06-23 | 2001-09-24 | 구선영 | Nursery System for Raising Fishes Having Buoyancy-Control Function and Method of Using the System |
| CN202456089U (en) * | 2012-02-29 | 2012-10-03 | 中国水产科学研究院东海水产研究所 | Young silvery pomfret fry culture experiment device |
Non-Patent Citations (3)
| Title |
|---|
| 施兆鸿等: "人工养殖银鲳子代胚胎发育及仔稚幼鱼形态观察", 《中国水产科学》 * |
| 施兆鸿等: "人工育苗条件下银鲳仔稚幼鱼摄食与生长特性", 《海洋水产研究 》 * |
| 施兆鸿等: "银鲳人工育苗技术研究", 《海洋渔业》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988803A (en) * | 2014-06-18 | 2014-08-20 | 宁德市富发水产有限公司 | Siphoning type zooplankton feed incubation and feeding system and using method thereof |
| CN103988803B (en) * | 2014-06-18 | 2016-01-13 | 宁德市富发水产有限公司 | The hatching of a kind of hydrocone type zooplankton feed and feeding system and using method thereof |
| CN104719205A (en) * | 2015-03-20 | 2015-06-24 | 北京农业信息技术研究中心 | Intelligent temporary culture method for aquaculture fry |
| CN104872045A (en) * | 2015-06-01 | 2015-09-02 | 邹苏琪 | Fully-automatic juvenile fish breeding device |
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| CN103202249B (en) | 2014-06-25 |
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