CN100388881C - Separation type blend aquiculture method of prawn and filter-feeding fish - Google Patents
Separation type blend aquiculture method of prawn and filter-feeding fish Download PDFInfo
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- CN100388881C CN100388881C CNB2005100442243A CN200510044224A CN100388881C CN 100388881 C CN100388881 C CN 100388881C CN B2005100442243 A CNB2005100442243 A CN B2005100442243A CN 200510044224 A CN200510044224 A CN 200510044224A CN 100388881 C CN100388881 C CN 100388881C
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- purse seine
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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
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Abstract
The present invention relates to a separation type mixed breeding method for prawns and filter fishes, which comprises that before water flows in a pool, the pool is cleaned, the bottom of the pool is solarized, and pathogenic organisms are killed by using medicine; the water is added, feeding stuff is added, plankton is cultivated, filter fishes and prawns are put to breed; bait is fed at definite time, oxygen is increased, and the filter fishes and the prawns are caught when cultivation reaches a commercial specification. The present invention is characterized in that the filter fishes are put in a closed net cage or a semi-closed purse net, and are separately cultivated with the prawns, wherein the stocking density of the prawns is from 15000 to 40000 tail / mou, the stocking density of the filter fishes is from 10 to 120kg/ mou, and the size of the fishes is from 25 to 200g/ tail. The present invention separately mixes and breeds the filter fishes and the prawns by adopting the closed net cage or the semi-closed purse net, avoids the filter fishes eating the prawns and the bait of the prawns, and simultaneously, also adopts the optimum density of the mixed breeding and stocking of the filter fishes and the prawns.
Description
Technical field
The present invention relates to a kind of method of fishes and shrimps mixed breed, particularly relate to the method for a kind of prawn and filter-feeding fish cellular-type mixed breed.
Background technology
The pond mixed culturing technology has long history in China, and traditional fish are raised together with and can make full use of different ecological niches.In the prawn culturing, lack the relevant technology of raising together with of system at present, majority is independent cultured prawn.And culture blowdown for the propagation and the minimizing that stop prawn WSSV disease, the prawn sealing or the semi-enclosed pond culture of imitation aqiuculrue technology grow up gradually.In prawn sealing or semi-enclosed pond culture process, the problem of water quality restriction prawn growth often appears in the breed later stage.Studies show that in the past, because filter-feeding fish except that the artificial feed of ingesting, is also filtered food a certain amount of zooplankton, phytoplankton and detritus etc., raising together with of filter-feeding fish and shrimps can improve pond water quality effectively.Some local employing filter-feeding fishes and prawn are raised together with and can improve water quality, and effect is better.But some filter-feeding fish is an omnivorousness, and it also may prey on the prawn, particularly prawn of breed except filter food plankton individual hour or more dangerous when shell; Also exist simultaneously filter-feeding fish to strive the problem of the high-quality of food prawn, high price feed, some fish and shrimps are raised together with the gross yield that only can improve breed, and the output of shrimps is not significantly improved.Therefore, there is following shortcoming in the technology that present prawn and filter-feeding fish are raised together with: filter-feeding fish kills and devour prawn, and filter-feeding fish is striven the food prawn feed, also has the breeding density problem that filter-feeding fish is suitable in addition.
Summary of the invention
The purpose of this invention is to provide the method for a kind of prawn and filter-feeding fish cellular-type mixed breed, it can remedy the above-mentioned deficiency of prior art.
The method of a kind of prawn and filter-feeding fish cellular-type mixed breed comprises the preceding earlier clear pond that discharges water, and the pond bottom of being exposed to the sun is killed causal organism with medicine, add water, plankton is cultivated in fertilising, puts filter-feeding fish and prawn in a suitable place to breed, regularly bait throwing in, oxygenation is cultured to rise when reaching commercial specification and is caught; It is characterized in that filter-feeding fish is put into closure net cage or semiclosed property purse seine and prawn separation breed.
The present invention adopts closure net cage or semiclosed purse seine that filter-feeding fish and prawn are separated and raises together with, avoided filter-feeding fish to prawn kill and devour and strive bait, adopted fishes and shrimps to raise together with the optimum density of putting in a suitable place to breed again simultaneously.
Embodiment
Embodiment 1:
Experiment is carried out in eriocheir sinensis field, the Huanghe delta, Shandong Province's Dongying city.9 in experiment pond, pond mean depth of water 1.5m, each pond area is 36 * 14m
2Earlier clear pond before discharging water, the pond bottom of being exposed to the sun is killed causal organism with medicine, adds water, and plankton is cultivated in fertilising, puts filter-feeding fish and prawn in a suitable place to breed, regularly bait throwing in.It is 0.107g Environment of Litopenaeus vannamei Low 22700 tail (45m that body weight is all put in each pond in a suitable place to breed
-2).3 ponds shrimp (being designated as S) of only being rivals in a contest wherein; 3 pond prawns and Tilapia mossambica adopt cellular-type to raise together with, and do not raise (SFn) but do not throw to Tilapia mossambica; 3 pond prawns and Tilapia mossambica adopt cellular-type to raise together with, and throw to Tilapia mossambica and to raise, and throw the weight of raising every day is 1% (SFf) of fish body weight.Raise together with 26 kilograms of Tilapia mossambicas putting average weight 51.7 gram in a suitable place to breed in each pond, pond.Offer the feed of prawn for preventing that fish from killing and devouring prawn and ingesting, fish is blocked every 7 * 14m in the middle of the pond by net
2The zone in, promptly adopt semiclosed property purse seine to carry out cellular-type and raise together with, specifically, in the middle of this rectangular pond, block the twice net, the per pass net adopts the Double-level Reticulated sheet, avoids prawn to enter the fish district; Purse seine bottom is with the bamboo pole binding, imbeds at the bottom of the pond 10～20 centimetres, and purse seine top exceeds the water surface more than 20～30 centimetres, jumps out to avoid filter-feeding fish.Shrimp is by the amount of being satiated with food hello twice (raising with throwing whether the residual judgement of raising is arranged in the dish) every day.Inflate with waterwheel aerator on a small quantity during the breed.Experiment continues 95 days altogether.Experimental result sees Table 1.
Table 1 pond fishes and shrimps are separated the results situation of raising together with
Annotate: S-prawn, the shrimp of only being rivals in a contest; The SFn-shrimpfish; SFf-fishes and shrimps (raising).
Can see from the breed result shown in the table 1, the output of prawn obviously increased (P＜0.05) when Tilapia mossambica and Environment of Litopenaeus vannamei Low separation were raised together with under the situation of the Tilapia mossambica throwing not being raised, and in a small amount of fishes and shrimps gross yield increase by 63.8% when throwing that Tilapia mossambica is raised together with Environment of Litopenaeus vannamei Low under the situation of raising to Tilapia mossambica, the output of prawn increases by 12.5%, significant difference (P＜0.05), culture survival rate simultaneously and obviously improve (P＜0.05), the not obvious again growth that influences prawn.Therefore, the mode of raising together with that adopts semiclosed property purse seine that fish, shrimp are separated is a kind of aquaculture model that kills and devour, saves high-quality feed and raising prawn output that can reduce fish to Environment of Litopenaeus vannamei Low effectively.
Embodiment 2:
Test the about 0.1ha of used pond area, mean depth of water 1.3m.At pond middle part two rows arranged side by side area is set is 5 * 6m
212 of enclosures.The enclosure curtain is made by fluid-tight woven polyethylene cloth, and earth 30cm is imbedded in the bottom.Each enclosure inflator pump inflation to prevent the layering of water body, increases dissolved oxygen.
Available from experiment eriocheir sinensis field, place, Tilapia mossambica is available from the national Tilapia mossambica seed multiplication farm in Jiangzhou, Shandong with the shrimp seedling in experiment.Each enclosure is thrown in 2300 tail Environment of Litopenaeus vannamei Low shrimp seedlings.Because the weak point of the more above-mentioned pond culture of duration of experiment, the experimental session prawn is average individual less, and therefore, breeding density is bigger than above-mentioned pond culture density.According to the preliminary experiment result, Tilapia mossambica divides 4 density to put in a suitable place to breed: 0 (CO), low breeding density (P1), intermediate density (P2) and high density (P3).CO in contrast.3 repetitions are established in each processing.For preventing that Tilapia mossambica from killing and devouring prawn, all Tilapia mossambicas all are housed in the about 1m of volume
3(in 1.2 * 1.2 * 0.7m) the closed net cage.Net cage is that length and width are 1.2m, the cuboid of high 0.7m, and six faces all have the net sheet to make.The setting that in the pond, intersperses of all experimental considerations units.Before putting in a suitable place to breed, shrimp seedling and Tilapia mossambica tamed salinity to 10 ‰.Experiment continues 36 days altogether.Experimental result sees Table 2.
Table 2 is respectively handled fishes and shrimps results situation
Annotate: the BL-body is long; The BW-body weight; The P-net production; The S-survival rate; The FCE-feed coefficient.
Tilapia mossambica that experimental session is put in a suitable place to breed and prawn do not find that all tangible disease takes place, and each Tilapia mossambica survival rate of handling is 100%.Gather in the crops situation as can be seen from the fishes and shrimps of respectively handling shown in the table 2, Tilapia mossambica output significantly improves (P＜0.05) with the increase of breeding density, and the results specification reduces with the increase of breeding density, but difference is not remarkable.All fishes and shrimps gross yields of putting the fish processing all are higher than the output (P＜0.01) that the monoculture prawn is handled.In addition, though a prawn body weight gains difference is little between each processing, medium prawn output of putting the processing of fish density reaches 40.9g/m
2, significantly handle high (P＜0.05) than other, individual body weight gains is also maximum, survival rate the highest (P＜0.05), feed coefficient minimum (P＜0.05).
Find out that from above-mentioned experimental result cellular-type is raised together with filter-feeding fish and prawn and had and reduce fish to the killing and devouring of prawn, save high-quality feed and improve characteristics such as prawn output.
In the above-described embodiments described Environment of Litopenaeus vannamei Low is changed into Crustin (Penaeuschinensis), Penaeus monodon (Penaeus monodon Fabricius), penaeus penicillatus (Penaeuspenicillatus), japonicus (Penaeus japonicus), banana prawn (Penaeusmerguiensis) or new prawn (Metapenaeus, sp.), change described filter-feeding fish Tilapia mossambica into silver carp (Hypophthalmichthys molitrix), bighead (Aristichthys nobilis), pond crucian carp (Carossius auratus gibelio), grey mullet (Mugil cephalus0) or Mullet fish (Lizahaematocheila) all have similar result.
Claims (1)
1. the method for prawn and filter-feeding fish cellular-type mixed breed, comprise discharge water before earlier clear pond, the pond bottom of being exposed to the sun is killed causal organism with medicine, add water, plankton is cultivated in fertilising, puts filter-feeding fish and prawn in a suitable place to breed, regularly bait throwing in, oxygenation is cultured to rise when reaching commercial specification and is caught; It is characterized in that filter-feeding fish is put into closure net cage or semiclosed property purse seine and prawn separation breed; Described closure net cage is the hexahedron net cage, the top and water surface hold the line of net cage or be lower than 5～10 centimetres of the waters surface; Described semiclosed property purse seine is a purse seine or two sides purse seine or closed type purse seine, and filter-feeding fish is put into purse seine, and harass and disturb with bamboo pole the purse seine lower end, imbeds 10～20 centimetres of bed muds, and the upper end exceeds 20～30 centimetres of the waters surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100442243A CN100388881C (en) | 2005-08-09 | 2005-08-09 | Separation type blend aquiculture method of prawn and filter-feeding fish |
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| CNB2005100442243A CN100388881C (en) | 2005-08-09 | 2005-08-09 | Separation type blend aquiculture method of prawn and filter-feeding fish |
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| CN1736182A CN1736182A (en) | 2006-02-22 |
| CN100388881C true CN100388881C (en) | 2008-05-21 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101011174B1 (en) * | 2010-09-03 | 2011-01-26 | 고시철 | Method and apparatus for farming melanian snail |
| CN102524118B (en) * | 2011-12-13 | 2013-09-18 | 广东海洋大学 | Controllable biological prevention and control method for prawn disease |
| CN102771422A (en) * | 2012-07-23 | 2012-11-14 | 中国水产科学研究院南海水产研究所 | Multiple hybrid polyculture method of omnivorous and carnivorous fishes in intensive prawn culture pond |
| CN102986563A (en) * | 2012-09-13 | 2013-03-27 | 中国水产科学研究院南海水产研究所 | Method for ecologically poly-culturing fishes with different feeding habits in net cages of shrimp culture pond |
| CN103478037B (en) * | 2013-08-15 | 2015-04-22 | 太阳高新技术（深圳）有限公司 | Multifunctional culture box |
| CN105284693A (en) * | 2014-07-21 | 2016-02-03 | 庞家远 | Bait-casting method for mixed aquaculture of fish and shrimps |
| CN104782554B (en) * | 2015-05-12 | 2017-10-03 | 通威股份有限公司 | A kind of subregion feeding method for being applied to raise together with pond |
| CN104872021B (en) * | 2015-06-03 | 2018-01-19 | 湖州师范学院 | A kind of fresh water freshwater shrimp block formula set supports method |
| CN107396860A (en) * | 2017-08-17 | 2017-11-28 | 舒城县万佛湖渔业总公司 | A kind of cultural method of cellular-type net cage feeding mixing fish |
| CN110651736A (en) * | 2019-11-01 | 2020-01-07 | 镇江水中仙渔业发展有限公司 | Sturgeon and penaeus vannamei intercropping culture method |
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2005
- 2005-08-09 CN CNB2005100442243A patent/CN100388881C/en not_active Expired - Fee Related
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