CN103404490B - A kind of different brackets specification fish fish for screening technique - Google Patents
A kind of different brackets specification fish fish for screening technique Download PDFInfo
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- CN103404490B CN103404490B CN201310354380.4A CN201310354380A CN103404490B CN 103404490 B CN103404490 B CN 103404490B CN 201310354380 A CN201310354380 A CN 201310354380A CN 103404490 B CN103404490 B CN 103404490B
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Abstract
A kind of different brackets specification fish fish for screening technique, containing following steps: preparation point specification casing, for cuboid framework, the uniform inserted link in the interval paralleled is provided with in underframe and three body side frames, residue body side frame is provided with mesh sheet, mesh sheet is provided with opening, opening is provided with towards the falred entrance of box house; Two vertical opposite side of the body side frame being provided with screen cloth are provided with barrier net, between body side frame, two panels barrier net, form water conservancy diversion region, fish can enter in point specification casing along water conservancy diversion region, are provided with aerator being provided with near the body side frame opposite side frames of screen cloth; Open aerator, fish collection is swum over to water conservancy diversion region and is entered in point specification casing, and not enough specification individuality is slipped away between point inserted link of specification casing, and individuality up to specification is trapped in point specification casing, by inserted link quantity in adjustment point specification casing, the fish of required different size can be isolated at any time.This method can not injure fish body, isolates the fisheries biology of different size at any time.
Description
Technical field
The invention belongs to fish culture technical field, be specially relate to a kind of different brackets specification fish fish for screening technique.
Background technology
In Fishery breeding process, carry out fat slightly in certain closed water body environment, the seedling fostering stage is all that density is large, and the uneven unification of specification, often needs screening.Traditional method is surrounded and seize and carry out selective filtering screening in whole pond.Such mode of operation, all will operate whole fingerling, must make the innocent suffer.Affect the growth of other individuality, even have damage in various degree.Particularly when choosing quantity and being few, consuming time especially, effort, work consuming.More highlight in formula of the releasing operation of oceanic pasture, species individuality is little, and the natural predatoriness that the weak are the prey of the strong injury, is unfavorable for the rapid propagation of population quantity.Constantly can only screen the specification kind conforming with and put in a suitable place to breed continually, therefore at the thick fingerling pond of fat, a kind of special tool and method is particularly important.
Summary of the invention
What the object of the present invention is to provide a kind of different brackets specification fish fishes for screening technique, and the method can not injure fish body, isolates the fisheries biology of different size size at any time.
Above-mentioned purpose of the present invention is achieved by the following technical solution: a kind of different brackets specification fish fish for screening technique, containing following steps:
(1) preparation point specification casing, described point of specification casing is cuboid framework, wherein be provided with the uniform inserted link in the interval paralleled in underframe and three body side frames, residue body side frame is provided with mesh sheet, described mesh sheet is provided with opening, is provided with towards the falred entrance of box house over said opening;
(2) barrier net is set respectively on two vertical opposite side of the body side frame being provided with screen cloth, other one end of described barrier net is fixed by the spud pile being fixed on pond bottom, formed between body side frame, two panels barrier net the trip of water conservancy diversion fish to water conservancy diversion region, fish can be able to enter in point specification casing along described water conservancy diversion region, near the described body side frame opposite side frames being provided with screen cloth, be also provided with aerator;
(3) aerator is opened, described aerator drives current to form circulation, because fish have against becoming to flowing habit, described fish swim over to water conservancy diversion region from water proximate collection and enter from falred entrance point specification casing, in fish, the individuality of not enough specification is slipped away between point inserted link of specification casing, and individuality up to specification is trapped in point specification casing, pulls out, by the quantity of inserted link in adjustment point specification casing, the fish of required different size size can be isolated at any time.
The framework of the cuboid framework described in step of the present invention (1) is provided with jack, and the two ends of described inserted link are fixed on cuboid framework by described jack.
On the upper frame of described cuboid framework, be also provided with part inserted link in step of the present invention (1), on upper frame, be provided with the opening of being convenient to fish for required specification fish simultaneously.
As relatively large specification fish need be screened in step of the present invention (3), then take out part inserted link, spacing between adjacent inserted link is increased, be convenient to relatively large specification fish enter, as relatively small dimension fish need be screened, then as required the inserted link of taking-up is partly or entirely inserted, the spacing between adjacent inserted link is reduced, be convenient to relatively small dimension fish and enter.
Advantage of the present invention is: point specification casing in the present invention is easy to make, cost is low, different brackets specification fish in the present invention fish for screening technique, simplify traditional mode of operation, under the prerequisite not injuring organism, can the biology of efficient separation screening different size, be applicable to producing cultivation greatly; The specification of the object of releasing of artificial releasing's aquaculture of oceanic pasture is cultivated with screening all very important, plays guaranteeing role to improving production efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of point specification case adopted in embodiment 1-2;
Fig. 2 is the schematic diagram being connected with point specification case of mesh sheet adopted in embodiment 1-2;
Fig. 3 be in embodiment 1-2 under aerator effect point specification casing fish for screening schematic diagram.
Embodiment
Embodiment 1
The present embodiment is that Sparus Latus is for example is as object of releasing with breed variety, it is marine culture and stock enhancement Important Economic kind, first concentrated by hatching cultivation fat thick in pond, the individuality that then long more than the 130mm specification of body is chosen in unification carries out release (put and return natural environment growing multiplication).
The concrete different brackets specification fish that the present embodiment provides fish for screening technique, containing following steps:
(1) preparation point specification casing, as shown in figs. 1-2, casing can arrange meter (wide) × 1,3 meters of (length) × 1.5 meter (height), this point of specification casing is cuboid framework 1, wherein be provided with the uniform inserted link 2 in the interval paralleled in underframe and three body side frames, adjustment inserted link spacing is 30mm, the individuality of the above specification of fish length 130mm can be fished for, remain on a body side frame and be provided with mesh sheet 3, mesh sheet is provided with opening 4, opening is provided with towards the falred entrance 5 of box house, this falred entrance can adopt the materials such as bamboo chip to make;
(2) barrier net 6 is set respectively on two vertical opposite side of the body side frame being provided with screen cloth, barrier net general 10 × 10mm mesh specification, barrier net length, width and height, visual site environment concrete condition and arranging, other one end of barrier net 6 is fixed by the spud pile 7 being fixed on pond bottom, at body side frame, formed between two panels barrier net the trip of water conservancy diversion fish to water conservancy diversion region, fish can be able to enter in point specification casing along water conservancy diversion region, also be provided with aerator 8 being provided with near the body side frame opposite side frames of screen cloth, aerator 8 preferably selects vortex type oxygen enhancing machine, as shown in Figure 3,
(3) aerator 8 is opened, aerator 8 drives current to form circulation, because fish have against becoming to flowing habit, fish swim over to water conservancy diversion region from water proximate collection and enter from falred entrance 5 point specification casing, in fish, the individuality of not enough specification is slipped away between point inserted link of specification casing 2, and individuality up to specification is trapped in point specification casing, pulls out, by the quantity of inserted link 2 in adjustment point specification casing, the fish of required large gauge can be isolated at any time.
Wherein the framework 9 of the cuboid framework described in step (1) is provided with jack 10, and the two ends of inserted link 2 are fixed on cuboid framework 1 by jack 10.
Step is also provided with part inserted link in (1) on the upper frame of cuboid framework, is provided with the opening 11 of being convenient to fish for required specification fish on upper frame simultaneously.
Need in step (3) to screen relatively large specification fish, then take out part inserted link, the spacing between adjacent inserted link is increased, is convenient to relatively large specification fish and enters.
Embodiment 2
The present embodiment breed variety to be black porgy be example, as object of releasing, is marine culture and stock enhancement Important Economic kind, is first concentrated by hatching in pond cultivation fat thick, and the individuality that then more than 75mm specification is chosen in unification carries out release (put and return natural environment growing multiplication).
The different brackets specification fish that the present embodiment provides fish for screening technique, containing following steps:
(1) preparation point specification casing, as shown in figs. 1-2, casing can arrange meter (wide) × 0.8,2 meters of (length) × 1.2 meter (height).This point of specification casing is cuboid framework 1, is wherein provided with the uniform inserted link 2 in the interval paralleled in underframe and three body side frames, and adjustment inserted link spacing is 15mm, can fish for the individuality of the above specification of fish length 75mm.Residue body side frame is provided with mesh sheet 3, mesh sheet is provided with opening 4, opening is provided with towards the falred entrance 5 of box house;
(2) on two vertical opposite side of the body side frame being provided with screen cloth, a barrier net 6 is set respectively, barrier net general 10 × 10mm mesh specification.Barrier net length, width and height, visual site environment concrete condition and arranging.Other one end of barrier net 6 is fixed by the spud pile 7 being fixed on pond bottom, formed between body side frame, two panels barrier net the trip of water conservancy diversion fish to water conservancy diversion region, fish can be able to enter in point specification casing along water conservancy diversion region, also be provided with aerator 8 being provided with near the body side frame opposite side frames of screen cloth, aerator 8 preferably selects vortex type oxygen enhancing machine, as shown in Figure 3;
(3) aerator 8 is opened, aerator 8 drives current to form circulation, because fish have against becoming to flowing habit, fish swim over to water conservancy diversion region from water proximate collection and enter from falred entrance 5 point specification casing, in fish, the individuality of not enough specification is slipped away between point inserted link of specification casing 2, and individuality up to specification is trapped in point specification casing, pulls out, by the quantity of inserted link 2 in adjustment point specification casing, the fish of required small dimension can be isolated at any time.
Wherein the framework 9 of the cuboid framework described in step (1) is provided with jack 10, and the two ends of inserted link 2 are fixed on cuboid framework 1 by jack 10.
Step is also provided with part inserted link in (1) on the upper frame of cuboid framework, is provided with the opening 11 of being convenient to fish for required specification fish on upper frame simultaneously.
Need to screen relatively small dimension fish in step (3), then as required the inserted link of taking-up is partly or entirely inserted, the spacing between adjacent inserted link is reduced, be convenient to relatively small dimension fish and enter.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included in protection scope of the present invention.
Claims (3)
1. different brackets specification fish fish for a screening technique, it is characterized in that containing following steps:
(1) preparation point specification casing, described point of specification casing is cuboid framework, wherein be provided with the uniform inserted link in the interval paralleled in underframe and three body side frames, residue body side frame is provided with mesh sheet, described mesh sheet is provided with opening, is provided with towards the falred entrance of box house over said opening;
(2) barrier net is set respectively on two vertical opposite side of the body side frame being provided with mesh sheet, other one end of described barrier net is fixed by the spud pile being fixed on pond bottom, formed between body side frame, two panels barrier net the trip of water conservancy diversion fish to water conservancy diversion region, fish can enter in point specification casing along described water conservancy diversion region, near the described body side frame opposite side frames being provided with mesh sheet, be also provided with aerator;
(3) aerator is opened, described aerator drives current to form circulation, because fish have against becoming to flowing habit, described fish swim over to water conservancy diversion region from water proximate collection and enter from falred entrance point specification casing, in fish, the individuality of not enough specification is slipped away between point inserted link of specification casing, and individuality up to specification is trapped in point specification casing, pulls out, by the quantity of inserted link in adjustment point specification casing, the fish of required different size size can be isolated at any time;
On the upper frame of described cuboid framework, be also provided with part inserted link in step (1), on upper frame, be provided with the opening of being convenient to fish for required specification fish simultaneously.
2. different brackets specification fish according to claim 1 fish for screening technique, it is characterized in that: the framework of the cuboid framework described in step (1) is provided with jack, the two ends of described inserted link are fixed on cuboid framework by described jack.
3. different brackets specification fish according to claim 1 fish for screening technique, it is characterized in that: as relatively large specification fish need be screened in step (3), then take out part inserted link, spacing between adjacent inserted link is increased, be convenient to relatively large specification fish enter, as relatively small dimension fish need be screened, then as required the inserted link of taking-up partly or entirely inserted, spacing between adjacent inserted link is reduced, is convenient to relatively small dimension fish and enters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310354380.4A CN103404490B (en) | 2013-08-14 | 2013-08-14 | A kind of different brackets specification fish fish for screening technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310354380.4A CN103404490B (en) | 2013-08-14 | 2013-08-14 | A kind of different brackets specification fish fish for screening technique |
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| Publication Number | Publication Date |
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| CN103404490A CN103404490A (en) | 2013-11-27 |
| CN103404490B true CN103404490B (en) | 2015-11-18 |
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| CN201310354380.4A Expired - Fee Related CN103404490B (en) | 2013-08-14 | 2013-08-14 | A kind of different brackets specification fish fish for screening technique |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103749375B (en) * | 2014-01-24 | 2015-12-30 | 塔里木大学 | A kind of Cobitidae fish gather and transportation resources |
| CN106070097A (en) * | 2016-08-12 | 2016-11-09 | 福建省淡水水产研究所 | Tilapia postlarva collection device and collection method |
| CN106472438A (en) * | 2016-12-09 | 2017-03-08 | 水利部中国科学院水工程生态研究所 | A kind of Fish trap |
| CN106857427A (en) * | 2017-04-11 | 2017-06-20 | 广东海洋大学 | A kind of natural fry finishing device of yellowfin spine porgy and its fish for transportation resources |
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| CN2318824Y (en) * | 1997-12-24 | 1999-05-19 | 李明忠 | Net type screening sheet for fishery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NO173162C (en) * | 1991-04-17 | 1993-11-10 | Selfi As | DEVICE FOR FISHING TREES |
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2013
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| US3833119A (en) * | 1973-06-25 | 1974-09-03 | R Brown | Grading apparatus |
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| CN201260339Y (en) * | 2008-09-22 | 2009-06-24 | 重庆市水产科学研究所 | Plastic fish sieve |
| CN201781855U (en) * | 2010-08-13 | 2011-04-06 | 上海海洋大学 | Adjustable large yellow croakers grading device |
| CN201869663U (en) * | 2010-10-20 | 2011-06-22 | 林信毅 | Fish fry screening device |
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| 网箱养殖中真鲷分级设施的试验研究;邵青;《中国海洋大学硕士学位论文》;20060727;第10、29、47-48页 * |
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| CN103404490A (en) | 2013-11-27 |
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