CN103026990B - Technology for cultivating takifugu flavidus summer fingerlings in cement pond of simple plastic greenhouse - Google Patents
Technology for cultivating takifugu flavidus summer fingerlings in cement pond of simple plastic greenhouse Download PDFInfo
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- CN103026990B CN103026990B CN201110303984.7A CN201110303984A CN103026990B CN 103026990 B CN103026990 B CN 103026990B CN 201110303984 A CN201110303984 A CN 201110303984A CN 103026990 B CN103026990 B CN 103026990B
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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 technology for cultivating takifugu flavidus summer fingerlings in a cement pond of a simple plastic greenhouse. The cement pond is adopted, and an arch-shaped ring top is formed above the cement pond. The technology is characterized in that: a dimmable shading film covers on the arch-shaped ring top; the air density in the cement pond is 1-1.5 pieces per square meter; the stocking sizes are 10-12 millimeters in full lengths per fingerling; the stocking density is 1,000-1,500 fingerlings per square meter; the water level is 70 centimeters during stocking; 20 centimeters of fresh water is injected every day from the second day, the cement pond is full of water four days later, and 50 percent of water is changed every other day from the fifth day; after 10-15 days of cultivation, bait scraps and fish excrement are cleared; the water quality indexes are that: the salinity of sea water is 0.8-1.2 percent, the water temperature is 25-28 DEG C, the dissolved oxygen is over 5 mg/L, and the pH is 7.5-8.5; medium-sized cladocerans and copepods are fed at an earlier stage, and large frozen fairy shrimps are fed at a middle stage; and after the full lengths of fingerlings are up to 30 millimeters, a compound feed is fed instead of the frozen fairy shrimps, and an eel feed is fed completely after 3-4 days of transition.
Description
Technical field
The present invention relates to aquaculture, especially one utilizes simple and easy plastic tunnel cement pit to cultivate the yellow Fugu summer flower of chrysanthemum fingerling method.
background technology
The yellow Fugu of chrysanthemum (Takifuguflavidus) belongs to Tetraodontiformes, Puffer suborder, Molidae, Fugu belongs to, and is mainly distributed in China's the East China Sea and the Yellow Sea and the Bohai Sea, belongs to coastal waters, temperate zone demersal fishes, the general migration of not making long distance, mainly, take the invertebrate such as shell-fish, shellfish and small fish as food, there is very high nutritive value and medical value, be described as first of " the Changjiang river three delicacies ".Its muscle is pure white as white, and meat flavour fat is beautiful, fresh and tender good to eat, is rich in protein, nutritious, contains according to surveying and determination 18.7 grams, protein in every 100 grams of muscle, higher than the content of yellow croaker; And fat content is 0.26 to be the minimum one of fatty,fiss content, contain in addition abundant vitamin, mineral matter and the multiple trace element useful to human body, its internal organs are containing hypertoxic nerve element, be referred to as Tetrodotoxin (TTX), have using value at the utmost point medically, every gram of international market fugutoxin price is up to 5-6 ten thousand U.S. dollars.The yellow Fugu of chrysanthemum is that a class economic worth is high, the aquatic products treasure that potentiality to be exploited is large: its Adaptable growth temperature is that 15-30 ℃, salinity are 5-30 ‰, and in the river Puffer fingerling class of cultivation, the yellow Fugu market price of chrysanthemum is the highest at home, reach 150-200 unit/kilogram.In view of good economic worth, practical value and biological property, propagating artificially progressively of globefish risen, the large-scale cultivation of the yellow Fugu of chrysanthemum just needs a large amount of fingerlings, the yellow Fugu summer flower of chrysanthemum nurture of fish fingerlings adopts pond rearing method mostly at present, the method is subject to natural climate condition restriction obviously and bottom material of pond for breeding situation affects, and exists the low and poor growth (40-50 days) of cultivating survival rate low (40-60%), fry Yin Wendu, problem that floor space is large.
summary of the invention
The object of this invention is to provide a kind of simple and easy plastic tunnel cement pit and cultivate the yellow Fugu summer flower of chrysanthemum fingerling technology.
Technical scheme of the present invention adopts rectangle cement pit, smooth at the bottom of pond, there are 3 ° of-5 ° of gradients, cement pit top arranges bow-shaped ring top, and top covers transparent heat insulating plastic film, it is characterized in that adding a cover at top, bow-shaped ring top the film that shades of tunable optical, cement pit water inlet filters with 60 eye mesh screens, when delivery port stops draining with 15 eye mesh screens, fry escapes, and places gas head in cement pit, and it is 1-1.5/m that gas head is placed density
2with fan blower continuous charge in 24 hours, qi of chong channel ascending adversely amount is as the criterion with the water surface spray that rises, before putting seedling, cement pit is sterilized, water inlet 20cm, full pool spilling head after dissolving with 20PPm bleaching powder, soak after 48 hours, draining is rinsed well, dries and re-uses for 3-4 days, and cultivating water is to be 10-15 ‰ estuarine water through the local salinity of pond one-level sedimentation and filtration, stocking size is total length 10-12mm/ tail, breeding density is 1000-1500 tail/m2, water level 70cm while putting seedling, within second day, rise and inject the new water of 20cm every day, after 4 days, fill it up with, the depth of water reaches 1.5m, within the 5th day, start to change every other day water 50%, cultivate after 10-15 days, postlarva grows to 3cm, need to the cleaning of falling pond bait chip and fish excreta, the method in pond is that full Chi Shuifang is gone to 2/3, draw in the net fish to move in the preprepared clear water reserviors of next door, two pond fishes are divided rare one-tenth three ponds simultaneously, water quality conventional index is seawater salinity 8-12 ‰, natural temperature 25-28 ℃, dissolved oxygen is greater than 5mg/L, PH 7.5-8.5, early stage the throw something and feed medium-sized cladocera and the copepoda that are salvaged by pond of fry total length 10mm, mid-term the fry total length 15-25mm freezing large fairy shrimp that starts to throw something and feed, biological feed feeding method: regularly, fixed point, on a small quantity repeatedly, lure fish cluster to look for food, throw while eating, till throwing into the shoal of fish and scattering, accomplish that daily ration, feeding quantity is food ration, fry total length reaches 30mm, fry bait starts to be transitioned into manufactured feed by freezing large fairy shrimp, eel feed is made to cake to be placed on material platform, fry approaches after eel feed is baited half an hour and takes material platform away, supplement the freezing large fairy shrimp of throwing something and feeding, the eel feed of all throwing something and feeding afterwards for transition 3-4 days, enters normal marketable fish cultivation until migrate to the outer pool.
The present invention has created a kind of existing pond culture that is different from respect to the outstanding feature of prior art, the yellow Fugu summer flower of chrysanthemum fingerling cultivating method rapidly and efficiently, improve the survival rate of the yellow Fugu summer flower of chrysanthemum nurture of fish fingerlings, 40-60% by original conventional pond rearing has brought up to 85-95%, thereby has reduced the cost of summer flower nurture of fish fingerlings; Just can obtain the juvenile fish of total length 40-50mm through the cultivations of 20 days, with respect to the cultivation time of conventional pond rearing 40-50 days, shorten nearly 1 month, elongate the yellow Fugu time of conventional cultivation then of chrysanthemum, shorten the yellow whole culture-cycle of Fugu of chrysanthemum, saved aquaculture cost.The present invention is easy and simple to handle, is easy to promote.
Embodiment
Production technology step comprises: adopting rectangle cement pit area is 220m
2, dark 1.8m, smooth at the bottom of pond, there are 3 ° of-5 ° of gradients, be convenient to artesian water, enter draining conveniently.Cement pit is that top arranges bow-shaped ring top, and top covers transparent heat insulating plastic film, for preventing algae Fast-propagation, reduces light transmittance, adds a cover the film that shades of tunable optical at top.Cement pit water inlet filters with 60 eye mesh screens, and when delivery port stops draining with 15 eye mesh screens, fry escapes.In cement pit, place gas head, it is 1.2/m that gas head is placed density
2, with Roots blower continuous charge in 24 hours, qi of chong channel ascending adversely amount is as the criterion with the water surface spray that rises.Before putting seedling, cement pit is sterilized, water inlet 20cm, full pool spilling head after dissolving with 20PPm bleaching powder, soaked after 48 hours, and draining is rinsed well, dries and re-uses for 3-4 days.Cultivating water is that local salinity is 10-15 ‰ estuarine water, before use, preferably filters through pond one-level precipitation, 80 mesh sieve tulles; Stocking size is total length 10-12mm/ tail, and breeding density is 1000-1500 tail/m
2.Water level 70cm while putting seedling, rises and injects the new water of 20cm every day for second day, after 4 days, fills it up with, and the depth of water reaches 1.5m.Along with the rising water body of water level strengthens, the cultivation density of postlarva is gradually rare thus.Within the 5th day, start to change every other day water 50%, due to soil pick-up not at the bottom of pond, cultivate after 10-15 days (postlarva grows to 3cm) and need to fall pond, have a large amount of bait chips and fish excreta to clear up.The concrete grammar in pond: will expire Chi Shuifang and go 2/3, and draw in the net fish to move in the preprepared clear water reserviors of next door, and 2 pond fishes be divided rare one-tenth 3 ponds, the growing environment of more favourable fish postlarva simultaneously.Water quality conventional index: seawater salinity: 8-12 ‰, natural temperature: 25-28 ℃, dissolved oxygen is greater than 5mg/L, PH 7.5-8.5.
Bait: early stage the throw something and feed medium-sized cladocera and the copepoda that are salvaged by pond of fry total length 10mm, mid-term the fry total length 15-25mm freezing large fairy shrimp that starts to throw something and feed; Biological feed feeding method: regularly, fixed point, on a small quantity repeatedly, lure on fish cluster and look for food, throw while eating, throw into the shoal of fish eat almost scatter till, accomplish that daily ration, feeding quantity is food ration, do not allow unnecessary bait polluted-water; Fry total length reaches 30mm, fry bait starts to be transitioned into manufactured feed by freezing large fairy shrimp, eel feed is made to cake to be placed on material platform, fry can slowly approach eel feed and bait, after half an hour, take material platform away, supplement the freezing large fairy shrimp of throwing something and feeding, the eel feed of all throwing something and feeding afterwards for transition 3-4 days, enters normal marketable fish cultivation until migrate to the outer pool.
Claims (1)
1. simple and easy plastic tunnel cement pit is cultivated the yellow Fugu summer flower of chrysanthemum fingerling method, adopt rectangle cement pit, smooth at the bottom of pond, there are 3 ° of-5 ° of gradients, cement pit top arranges bow-shaped ring top, top covers transparent heat insulating plastic film, the film that shades that it is characterized in that adding a cover at top, bow-shaped ring top tunable optical, cement pit water inlet filters with 60 eye mesh screens, and when delivery port stops draining with 15 eye mesh screens, fry escapes, in cement pit, place gas head, it is 1-1.5/m that gas head is placed density
2with fan blower continuous charge in 24 hours, qi of chong channel ascending adversely amount is as the criterion with the water surface spray that rises, before putting seedling, cement pit is sterilized, the high 20cm of water inlet water level, full pool spilling head after dissolving with 20PPm bleaching powder, soak after 48 hours, draining is rinsed well, dries in the air and re-uses in 3-4 days, and cultivating water is to be 10-15 ‰ estuarine water through the local salinity of pond one-level sedimentation and filtration; Stocking size is total length 10-12mm/ tail, and breeding density is 1000-1500 tail/m
2water level 70cm while putting seedling, within second day, rise and inject the high-new water of 20cm every day, after 4 days, fill it up with, the depth of water reaches 1.5m, water 50% is changed in beginning in the 5th day every other day, cultivates after 10-15 days, and postlarva grows to 30mm, need to the cleaning of falling pond bait chip and fish excreta, the method in pond is that full Chi Shuifang is gone to 2/3, draws in the net fish to move in the preprepared clear water reserviors of next door, two pond fishes is divided rare one-tenth three ponds simultaneously, water quality conventional index is seawater salinity 8-12 ‰, natural temperature 25-28 ℃, dissolved oxygen is greater than 5mg/L, PH7.5-8.5; Early stage the throw something and feed medium-sized cladocera and the copepoda that are salvaged by pond of fry total length 10mm, mid-term the fry total length 15-25mm freezing large fairy shrimp that starts to throw something and feed; Biological feed feeding method: regularly, fixed point, on a small quantity repeatedly, lure fish cluster to look for food, throw while eating, till throwing into the shoal of fish and scattering, accomplish that daily ration, feeding quantity is food ration; Fry total length reaches 30mm, fry bait starts to be transitioned into manufactured feed by freezing large fairy shrimp, eel feed is made to cake to be placed on material platform, fry approaches after eel feed is baited half an hour and takes material platform away, supplement the freezing large fairy shrimp of throwing something and feeding, the eel feed of all throwing something and feeding afterwards for transition 3-4 days, enters normal marketable fish cultivation until migrate to the outer pool.
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| CN104982354A (en) * | 2015-06-12 | 2015-10-21 | 上海市水产研究所 | Ecological cultivation method of fugu flavidus intercropping barracuda parental fish |
| CN105660486A (en) * | 2016-03-14 | 2016-06-15 | 上海市水产研究所 | Breeding method for intercropping mullet parents and fugu obscurus |
| CN107223599B (en) * | 2017-05-03 | 2019-09-06 | 上海市水产研究所 | The method in pond is fallen in a kind of industrial aquaculture America pond Shi Yuan |
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| JP5190342B2 (en) * | 2008-12-15 | 2013-04-24 | 学校法人近畿大学 | How to raise trough fry |
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Effective date of registration: 20230814 Address after: 200433 No. 265, Jiamusi Road, Shanghai, Yangpu District Patentee after: SHANGHAI FISHERIES Research Institute SHANGHAI FISHERIES TECHNICAL EXTENSION STATION Address before: 200433 No. 265, Jiamusi Road, Shanghai, Yangpu District Patentee before: SHANGHAI FISHERIES Research Institute Patentee before: SHANGHAI FISHERIES TECHNICAL EXTENSION STATION |