CN103651202A - Pseudosciaena crocea and green crab three-dimensional culture device and matching culture method of pseudosciaena crocea and green crab - Google Patents
Pseudosciaena crocea and green crab three-dimensional culture device and matching culture method of pseudosciaena crocea and green crab Download PDFInfo
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- CN103651202A CN103651202A CN201310654357.7A CN201310654357A CN103651202A CN 103651202 A CN103651202 A CN 103651202A CN 201310654357 A CN201310654357 A CN 201310654357A CN 103651202 A CN103651202 A CN 103651202A
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Abstract
The invention relates to a pseudosciaena crocea and green crab three-dimensional culture device and method. The pseudosciaena crocea and green crab three-dimensional culture device comprises a floating net and a crab pot. The floating net comprises a floating frame and meshes, wherein the floating frame is a closed polygonal framework, floaters are installed below the floating frame, the floaters are connected to the framework of the floating frame in a strip shape, the meshes are installed surrounding the floating frame in a circle, a container with a top opening is defined by the meshes, and the top opening is matched with the floating frame in shape. The crab pot is placed on the floaters, wherein the side wall of the crab pot is provided with a through hole, and a cover is arranged on the crab pot in a matching mode. The pseudosciaena crocea and green crab three-dimensional culture device and method have the advantages that cage culture of pseudosciaena crocea is realized, and aquatic water is fully utilized at the same time; cage culture of individual green crabs is carried out on an upper layer of a net cage, so that mutual killing of the green crabs is avoided, and the survival rate is up to 95%; besides, bait is fully utilized, the number of waste residues is small, the self-cleaning capacity of the aquatic water is enhanced, balance of the fishery ecological environment is realized, economic benefits are obtained, and the carbon sink function of fishery is also effectively achieved.
Description
Technical field
The invention belongs to fish, crab three dimensional-breeding technical field, particularly relate to a kind of large yellow Crocker, mud crab three dimensional-breeding device and cover breeding method thereof.
Background technology
Global warming has had a strong impact on the mankind's productive life, for alleviating warming trend, reduces greenhouse gas emission, and development low-carbon economy has become the inevitable choice of various countries.Marine ecosystems three dimensional-breeding is the green low-carbon aquaculture model of marine ecosystems level.This pattern, by optimizing the population structure of marine ecosystems, is utilized the interaction between different population, improves carbon remittance efficiency, finally realizes the doulbe-sides' victory of environmental benefit and economic benefit.
Large yellow Crocker is one of tradition " four large marine products ", China coastal seas Main Commercial Fishes; Large yellow Crocker be take coastal cage culture as main, although made up the deficiency that wild large yellow Crocker scarcity of resources brings, exists water body to be underutilized, and fingerling easily jumps out outside case, and illumination is crossed and affected large yellow Crocker growth and the problem such as ingest by force.Mud crab is as traditional mariculture kind, have growth rapidly, delicious meat and the plurality of advantages such as market potential is large; The stronger bellicose property of mud crab tool, cutting one another's throat is the one of the main reasons that affects its survival rate.The present invention is at net cage perpendicular slice, carries out three-dimensional development, and the single body in the net cage upper strata mud crab of raising in cages, can avoid killing each other, and survival rate is high; Cultured large yellow croaker in net cage, effectively shading, keeps water environment in net cage to stablize, and effectively avoids large yellow Crocker to jump out outside case; The large yellow Crocker unnecessary bait in blue crab cultivation of can also ingesting, this device and method has increased the efficient of marine site utilization, improved bait utilization, strengthened the self-purification capacity of breeding water body, realize the balance of fishery biologic environment, when obtaining economic benefit, effectively completed the carbon remittance function of fishery.
Summary of the invention
Technical problem to be solved by this invention has been to provide a kind of large yellow Crocker, mud crab three dimensional-breeding device and cover breeding method thereof, and bait utilization is high, good in economic efficiency large yellow Crocker, mud crab three dimensional-breeding method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of large yellow Crocker is provided, mud crab three dimensional-breeding device, comprise floating net and crab pot, described floating net comprises floating frame and net sheet, described floating frame is a closed polygon framework, below described floating frame, float is installed, described float is connected on the framework of floating frame into strips, described floating frame periphery is around a hoop net sheet is installed, described net sheet surrounds the container of a upper opening, and the shape of upper opening and floating frame matches, on described float, be placed with crab pot, on described crab pot sidewall, have through hole, on described crab pot, is furnished with lid.
Described floating frame is orthogonal, and described float is arranged along floating frame long side direction.
Described floating frame, float, crab pot and lid are made by bamboo or wood material.
Described net sheet be quality softness without tubercle net, mesh size, be 20 to 35 millimeters of meshes.
Long 40 centimetres, wide 30 centimetres, high 16 centimetres of described crab pot, is made by bamboo or wood material.
The large yellow Crocker of large yellow Crocker, mud crab three dimensional-breeding device, a mud crab cover breeding method, step is as follows:
(A) being chosen in the sea area that stormy waves is little cultivates, upstream, described sea area is without Industrial " three Waste " pollution source, and the described sea area depth of water is more than 6 meters, and described sea area substrate is argillo arenaceous, described sea area year surface temperature between 8-30 ℃, salinity is at 20%-25%, transparency is at 1.0 meters;
(B) described net sheet surrounds the cuboid culturing area of 3.2 meters * 3.2 meters * 3.5 meters, and the specification that fingerling is put into described region is 100-150 gram;
(C) throw in Pseudosciaena crocea Fry kind, blue crab fried, fingerling and the crab kind of selecting neritic zone to cultivate, described Pseudosciaena crocea Fry and blue crab fried nothing carry pathogene, be well-proportioned, healthy and strong, anosis without wound, without deformity;
(D) feed: the bait of throwing something and feeding every day 2 times, morning and dusk, respectively throw something and feed 1 time; The feeding volume on the same day with the situation of ingesting, weather, water colour and the power flow changing of first 1 day to mating; Described bait is mainly cold fresh small fish;
(E) check fingerling situation early, middle and late 3 times every day, at current culturing area in flakes not smooth, that water quality is fertile, prevent anoxic;
(F) along with the growth of large yellow Crocker, by sorting, keep the rational density of fingerling in culturing area, adjust the fingerling of culturing area different size simultaneously, rearrange, the fingerling specification that makes to throw in same culturing area is consistent;
(G) irregularly change clothes the various algae on net sheet of easily growing nonparasitically upon another plant and hold, keep the mesh current that do not get clogged unimpeded.
Beneficial effect
When the invention has the advantages that Pseudosciaena crocea, take full advantage of breeding water body, on net cage upper strata, the single body mud crab of raising in cages, has avoided cutting one another's throat of mud crab, and survival rate reaches 95%; Bait is fully used in addition, and refuse little residue has strengthened the self-purification capacity of breeding water body, realizes the balance of fishery biologic environment, and when obtaining economic benefit, the carbon that has effectively completed fishery converges function.Therefore, the present invention is a kind of high-yield and high-efficiency, the large yellow Crocker of environmental health, mud crab three dimensional-breeding method.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of large yellow Crocker of the present invention, mud crab three dimensional-breeding device.
Fig. 2 is the structural representation of the floating net of the present invention.
Fig. 3 is the structural representation of crab pot of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figures 1 to 3, a kind of large yellow Crocker, mud crab three dimensional-breeding device, comprise floating net and crab pot 4, described floating net comprises floating frame 1 and net sheet 3, described floating frame 1 is a closed polygon framework, described floating frame 1 is provided with float 2 below, described float 2 is connected on the framework of floating frame 1 into strips, described floating frame 1 periphery is around a hoop net sheet 3 is installed, described net sheet 3 surrounds the container of a upper opening and the shape of upper opening and floating frame 1 matches, on described float 2, be placed with crab pot 4, on described crab pot 4 sidewalls, have through hole, on described crab pot 4, be furnished with lid 5.
Described floating frame 1 is orthogonal, and described float 2 is arranged along floating frame 1 long side direction.
Described floating frame 1, float 2, crab pot 4 and lid 5 are made by bamboo or wood material.
What described net sheet 3 was quality softness is 20 to 35 millimeters of meshes without tubercle net, mesh size.
40 centimetres, wide 30 centimetres, high 16 centimetres of described crab pot 4 length, are made by bamboo or wood material.
The large yellow Crocker of large yellow Crocker, mud crab three dimensional-breeding device, a mud crab cover breeding method, step is as follows:
(A) being chosen in the sea area that stormy waves is little cultivates, upstream, described sea area is without Industrial " three Waste " pollution source, and the described sea area depth of water is more than 6 meters, and described sea area substrate is argillo arenaceous, described sea area year surface temperature between 8-30 ℃, salinity is at 20%-25%, transparency is at 1.0 meters;
(B) described net sheet 3 surrounds the cuboid culturing area of 3.2 meters * 3.2 meters * 3.5 meters, and the specification that fingerling is put into described region is 100-150 gram;
(C) throw in Pseudosciaena crocea Fry kind, blue crab fried, fingerling and the crab kind of selecting neritic zone to cultivate, described Pseudosciaena crocea Fry and blue crab fried nothing carry pathogene, be well-proportioned, healthy and strong, anosis without wound, without deformity;
(D) feed: the bait of throwing something and feeding every day 2 times, morning and dusk, respectively throw something and feed 1 time; The feeding volume on the same day with the situation of ingesting, weather, water colour and the power flow changing of first 1 day to mating; Described bait is mainly cold fresh small fish;
(E) check fingerling situation early, middle and late 3 times every day, at current culturing area in flakes not smooth, that water quality is fertile, prevent anoxic;
(F) along with the growth of large yellow Crocker, by sorting, keep the rational density of fingerling in culturing area, adjust the fingerling of culturing area different size simultaneously, rearrange, the fingerling specification that makes to throw in same culturing area is consistent;
(G) irregularly change clothes the various algae on net sheet 3 of easily growing nonparasitically upon another plant and hold, keep the mesh current that do not get clogged unimpeded.
Use patent of the present invention, large yellow Crocker was through the cultivation of 19 months, and average specification reaches 500 grams/fish, forms survival rate approximately 50%, and finished product fish body body colour more approaches natural, and color is good, is golden yellow, and meat is more delicious, and breeding process disease is few; Through the cultivation of 50 days, 400 grams/of results commodity crabs, survival rate reaches 95%, and Fresh crab and cream crab coefficient of condition reach more than 90%, and input-output ratio 1:5, has obtained higher benefit.
Claims (6)
1. a large yellow Crocker, mud crab three dimensional-breeding device, comprise floating net and crab pot (4), it is characterized in that, described floating net comprises floating frame (1) and net sheet (3), described floating frame (1) is a closed polygon framework, described floating frame (1) is provided with float (2) below, described float (2) is connected on the framework of floating frame (1) into strips, described floating frame (1) periphery is around a hoop net sheet (3) is installed, described net sheet (3) surrounds the container of a upper opening, and the shape of upper opening and floating frame (1) matches, on described float (2), be placed with crab pot (4), on described crab pot (4) sidewall, have through hole, on described crab pot (4), is furnished with lid (5).
2. a kind of large yellow Crocker according to claim 1, mud crab three dimensional-breeding device, is characterized in that, described floating frame (1) is orthogonal, and described float (2) is arranged along floating frame (1) long side direction.
3. a kind of large yellow Crocker according to claim 1, mud crab three dimensional-breeding device, is characterized in that, described floating frame (1), float (2), crab pot (4) and lid (5) are made by bamboo or wood material.
4. a kind of large yellow Crocker according to claim 1, mud crab three dimensional-breeding device, is characterized in that, what described net sheet (3) was quality softness is 20 to 35 millimeters of meshes without tubercle net, mesh size.
5. a kind of large yellow Crocker according to claim 1, mud crab three dimensional-breeding device, is characterized in that, long 40 centimetres, wide 30 centimetres, high 16 centimetres of described crab pot (4), is made by bamboo or wood material.
6. according to the large yellow Crocker of any one large yellow Crocker described in claim 1 to 5, mud crab three dimensional-breeding device, mud crab cover breeding method, step is as follows:
(A) being chosen in the sea area that stormy waves is little cultivates, upstream, described sea area is without Industrial " three Waste " pollution source, and the described sea area depth of water is more than 6 meters, and described sea area substrate is argillo arenaceous, described sea area year surface temperature between 8-30 ℃, salinity is at 20%-25%, transparency is at 1.0 meters;
(B) described net sheet (3) surrounds the cuboid culturing area of 3.2 meters * 3.2 meters * 3.5 meters, and the specification that fingerling is put into described region is 100-150 gram;
(C) throw in Pseudosciaena crocea Fry kind, blue crab fried, fingerling and the crab kind of selecting neritic zone to cultivate, described Pseudosciaena crocea Fry and blue crab fried nothing carry pathogene, be well-proportioned, healthy and strong, anosis without wound, without deformity;
(D) feed: the bait of throwing something and feeding every day 2 times, morning and dusk, respectively throw something and feed 1 time; The feeding volume on the same day with the situation of ingesting, weather, water colour and the power flow changing of first 1 day to mating; Described bait is mainly cold fresh small fish;
(E) check fingerling situation early, middle and late 3 times every day, at current culturing area in flakes not smooth, that water quality is fertile, prevent anoxic;
(F) along with the growth of large yellow Crocker, by sorting, keep the rational density of fingerling in culturing area, adjust the fingerling of culturing area different size simultaneously, rearrange, the fingerling specification that makes to throw in same culturing area is consistent;
(G) irregularly change clothes the various algae on net sheet (3) of easily growing nonparasitically upon another plant and hold, keep the mesh current that do not get clogged unimpeded.
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| CN201310654357.7A CN103651202B (en) | 2013-12-05 | 2013-12-05 | A kind of large yellow Crocker, mud crab three dimensional-breeding device and cover breeding method thereof |
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| CN201310654357.7A CN103651202B (en) | 2013-12-05 | 2013-12-05 | A kind of large yellow Crocker, mud crab three dimensional-breeding device and cover breeding method thereof |
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| CN113854208A (en) * | 2021-11-25 | 2021-12-31 | 浙江省淡水水产研究所 | Method and device for intercropping bare lipsticks in crab pond |
| CN114568363A (en) * | 2022-03-28 | 2022-06-03 | 中国水产科学研究院淡水渔业研究中心 | Bionic molting nest and method for assisting river crab culture by utilizing rice processing byproducts |
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| CN113854208A (en) * | 2021-11-25 | 2021-12-31 | 浙江省淡水水产研究所 | Method and device for intercropping bare lipsticks in crab pond |
| CN114568363A (en) * | 2022-03-28 | 2022-06-03 | 中国水产科学研究院淡水渔业研究中心 | Bionic molting nest and method for assisting river crab culture by utilizing rice processing byproducts |
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