CN109730040A - A kind of loach fry catching method - Google Patents
A kind of loach fry catching method Download PDFInfo
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- CN109730040A CN109730040A CN201910221639.5A CN201910221639A CN109730040A CN 109730040 A CN109730040 A CN 109730040A CN 201910221639 A CN201910221639 A CN 201910221639A CN 109730040 A CN109730040 A CN 109730040A
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- net cage
- net
- loach
- water
- catching method
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Abstract
The invention discloses a kind of loach fry catching methods, step includes the production of (1) net cage: being made into the square net cage that a side length is 250-350cm with screen cloth, net cage upper opening, " eight type " net of a long 80-120cm is respectively set into net cage for four sides of net cage, outer end network interface diameter is 32-38cm, inner end network interface diameter is 4-8cm, and " eight type " the net inner end to oppose mutually pulls fixation by drawstring;(2) net cage is set up;(3) bait is traped;(4) it washes by water;(5) harvesting.The advantage of the invention is that this method fishing is convenient, fishing efficiency is high, and injury will not be generated to loach and is suitble to extensive fishing, the constitution of loach fry will not will not be damaged substantially after fishing.
Description
Technical field
The present invention relates to technical field of aquaculture, and in particular to a kind of loach fry catching method.
Background technique
Misgurnus demersal fishes often move in water-bed mud, 10~20 lis long at the general body of loach since its bodily form is small
Rice, body is smooth in addition, is generally difficult to capture.Loach fine and tender taste, it is full of nutrition, and it is rich in minerals and multivitamin,
Wherein vitamin B content is 3~4 times higher than yellow croaker, shrimps, civil to be known as saying for " ginseng in water ".However, since loach has sludge
Habit and feature, therefore traditional catching method be still caught, traped and done with cage the pool dig grab progress, these traditional methods are not only
It is big, at high cost to catch difficulty, and fishing is not thorough, it is easy to injury be caused to seed, the serious loach breeding industry that constrains
Development.
Summary of the invention
In view of the deficiency of the prior art, the present invention provides that a kind of fishing is convenient, fishing efficiency is high, will not be to mud
Loach generates injury and is suitble to extensive fishing loach catching method.
The present invention through the following technical solutions to achieve the above objectives:
A kind of loach fry catching method, step include
(1) production of net cage: being made into the square net cage that a side length is 250-350cm with screen cloth, net cage upper opening,
" eight type " net of a long 80-120cm is respectively set into net cage for four sides of net cage, and outer end network interface diameter is 32-
38cm, inner end network interface diameter is 4-8cm, and " eight type " the net inner end to oppose mutually pulls fixation by drawstring;
(2) net cage is set up;
(3) bait is traped;
(4) it washes by water;
(5) harvesting.
Further improvement lies in that the net cage selects 16 mesh polyethylene screen cloths to be made into.
Further improvement lies in that four side edges of the net cage are respectively connected with backstop, the backstop and net cage are contour,
The outer edge of backstop is equipped with fixed link, and the bottom of the net cage is connected with sinker, and the edge of bottom four of net cage is equipped with inserted link,
And the lower section of the drawstring of connection opposition " eight type " net inner end is equipped with bait mesh bag.
Further improvement lies in that the net cage that sets up refers to the centre that net cage sterilization after-frame is set to loach breeding pond
All inserted links of net cage bottom corner are entirely insertable in bottom of pond soil by position, then by the backstop along 45 ° of expansion outward, exhibition
It is fixed after opening in fixed link insertion bottom of pond soil.
The rice bran to stir-fry is placed in bait mesh bag further improvement lies in that the bait trapping refers to, bait mesh bag is outstanding
It hangs in net cage, loach Wen Xianghou is pierced from " eight type " net in net cage and is captured.
It is washed by water further improvement lies in that the bath refers to the water pump of 150-200w, wherein water pump is put in pond
In, and the water pipe being connected with water pump is extended in the net cage set up along pond stalk, water pipe is located at the middle position of net cage, in water
Be equipped with water outlet on the different directions of bottom end four of pipe, each water outlet be quadrant arc and end upward,
The tube wall of water pipe is equipped with four pieces of deflectors in quadrant arc, and the deflector, which corresponds, is located at four water outlets
Surface, the current deflecting surrounding that deflector will be gone out upwards by water outlet, and being gone out outward from each " eight type " net.
Further improvement lies in that the harvesting refers to when find there are a large amount of loach to gather in net cage, first backstop is collapsed
It is attached to net cage side, then pulls out the water surface slowly together together with net cage, pours out seed after hauling.
The beneficial effects of the present invention are: this method fishing is convenient, and fishing efficiency is high, will not injure to loach generation and suitable
Extensive fishing is closed, the constitution of loach fry will not will not be damaged substantially after fishing, high survival rate.
Detailed description of the invention
Fig. 1 is the side view of net cage;
Fig. 2 is the top view of net cage;
In figure: 1, net cage;2, " eight type " net;3, drawstring;4, backstop;5, fixed link;6, sinker;7, inserted link;8, bait
Mesh bag;9, water pipe;10, water outlet;11, deflector.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
Embodiment
Referring to figs. 1 and 2, a kind of loach fry catching method, step include
(1) the square net cage 1 that a side length is 300cm, net cage 1 production of net cage: are made into 16 mesh polyethylene screen cloths
" eight type " net 2 of a long 100cm is respectively set into net cage 1 for four sides of upper opening, net cage 1, and outer end network interface is straight
Diameter is 35cm, and inner end network interface diameter is 5cm, and 2 inner end of " eight type " net to oppose is mutually pulled by drawstring 3 and fixed;Net cage 1
Four side edges be respectively connected with backstop 4, backstop 4 and net cage 1 are contour, and the outer edge of backstop 4 is equipped with fixed link 5, net cage 1
Bottom is connected with sinker 6, and the edge of bottom four of net cage 1 is equipped with inserted link 7, and connects the drawing of opposition 2 inner end of " eight type " net
The lower section of rope 3 is equipped with bait mesh bag 8.
(2) net cage 1 is set up.Net cage 1 is sterilized into the middle position that after-frame is set to loach breeding pond, by 1 bottom corner of net cage
All inserted links 7 be entirely insertable in bottom of pond soil, then by backstop 4 along 45 ° outward expansion, after expansion with fixed link 5 be inserted into bottom of pond
It is fixed in soil.
(3) bait is traped.The rice bran to stir-fry is placed in bait mesh bag 8, bait mesh bag 8 is suspended in net cage 1, and loach hears
It pierces in net cage 1 and is captured from " eight type " net 2 after perfume (or spice).
(4) it washes by water.It is washed by water with the water pump of 150-200w, wherein water pump is put in pond, and will be connected with water pump
Water pipe 9 extends in the net cage 1 set up along pond stalk, and water pipe 9 is located at the middle position of net cage 1, the bottom end of water pipe 9 four not
Be equipped with water outlet 10 on equidirectional, each water outlet 10 be quadrant arc and end upward, in the tube wall of water pipe 9
Be equipped with four pieces be in quadrant arc deflector 11, deflector 11 correspond be located at four water outlets 10 just on
Side, the current deflecting surrounding that deflector 11 will be gone out upwards by water outlet 10, and gone out outward from each " eight type " net 2, benefit
With the most distinctive feature against the current of loach, bath induction fishing has loach to start against the current, period artificially not alarm mud against the current successively
Loach.Since water flow is gone out around from the height of " eight type " net 2, so loach can be promoted inverse along " eight type " net 2
To drilling net cage 1, also, after loach enters in net cage 1, the bottom of net cage 1 can be sunk to, and be trapped among the position of water outlet 10
Around, rather than around is bored in net cage 1, is thus effectively prevented loach and is drilled out from " eight type " net 2.
(5) harvesting.When find there are a large amount of loach to gather in net cage 1, the gathering of backstop 4 is first attached to 1 side of net cage, then connect
The water surface is pulled out slowly together with net cage 1, pours out seed after hauling.
In order to verify the fishing efficiency of foregoing invention embodiment, the following comparison fishing scheme of setting:
Scheme one: using common net cage, and net cage side sets multiple rectangle ports, and net cage is placed on a certain position in pond,
Inside sets bait trapping, without bath;
Scheme two: using the net cage of four sides band " eight type " net, net cage edge sets backstop, and net cage is placed on the same of pond
One position, inside sets bait trapping, without bath;
Scheme three: using the net cage of four sides band " eight type " net, net cage edge sets backstop, and net cage is placed on the same of pond
One position, inside set bait trapping, extend to net cage central bottom with water pipe, directly washes by water towards surrounding;
Scheme four: the same position in pond is caught according to the scheme of the above embodiment of the present invention.
By same time (for 2h), the loach quantity of aforementioned four scheme fishing is counted respectively, and following table is made:
Scheme one | 931 tails |
Scheme two | 2461 tails |
Scheme three | 3389 tails |
Scheme four | 4825 tails |
As can be seen from the above table, if " eight type " net, the side for adding backstop, washing by water and using the specific bath of the present invention
Formula can play facilitation to fishing.Also, using the scheme of the above embodiment of the present invention, every net cage can be caught every 2h
4825 tail loach fries are fished out, catching rate greatly improves.In addition, survival rate exists after the fishing for feeding these loach fries
99.5% or more, it is smaller to the injury of loach fry.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (7)
1. a kind of loach fry catching method, it is characterised in that: step includes
(1) the square net cage that a side length is 250-350cm, net cage upper opening, net cage the production of net cage: are made into screen cloth
Four sides " eight type " net of a long 80-120cm is respectively set into net cage, outer end network interface diameter is 32-38cm, interior
End network interface diameter is 4-8cm, and " eight type " the net inner end to oppose mutually pulls fixation by drawstring;
(2) net cage is set up;
(3) bait is traped;
(4) it washes by water;
(5) harvesting.
2. a kind of loach fry catching method according to claim 1, it is characterised in that: the net cage selects the poly- second of 16 mesh
Alkene screen cloth is made into.
3. a kind of loach fry catching method according to claim 1, it is characterised in that: four sides angle of the net cage
Place is respectively connected with backstop, and the backstop and net cage are contour, and the outer edge of backstop is equipped with fixed link, and the bottom of the net cage is connected with
Sinker, the edge of bottom four of net cage are equipped with inserted link, and the lower section for connecting the drawstring of opposition " eight type " net inner end is equipped with bait
Expect mesh bag.
4. a kind of loach fry catching method according to claim 3, it is characterised in that: the erection net cage refers to institute
The middle position that net cage sterilization after-frame is set to loach breeding pond is stated, all inserted links of net cage bottom corner are entirely insertable bottom of pond mud
In soil, then by the backstop along 45 ° of expansion outward, it is fixed after expansion in fixed link insertion bottom of pond soil.
5. a kind of loach fry catching method according to claim 3, it is characterised in that: the bait trapping refers to stir-fry
Fragrant rice bran is placed in bait mesh bag, and bait mesh bag is suspended in net cage, and loach Wen Xianghou pierces net cage from " eight type " net
It is interior and captured.
6. a kind of loach fry catching method according to claim 3, it is characterised in that: the bath, which refers to, uses 150-
The water pump of 200w is washed by water, and wherein water pump is put in pond, and the water pipe being connected with water pump is extended to along pond stalk and has been set up
Net cage in, water pipe is located at the middle position of net cage, is equipped with water outlet on the different directions of the bottom end of water pipe four, it is each go out
The mouth of a river be quadrant arc and end upward, be equipped on the tube wall of water pipe four pieces be in quadrant arc water conservancy diversion
Plate, the deflector correspond the surface for being located at four water outlets, and deflector leads the water flow gone out upwards by water outlet
Around, and from each " eight type " net it goes out outward.
7. a kind of loach fry catching method according to claim 3, it is characterised in that: the harvesting refers to when discovery net
When there are a large amount of loach to gather in case, backstop gathering is first attached to net cage side, then pull out the water surface, hauling slowly together together with net cage
After pour out seed.
Priority Applications (1)
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CN201910221639.5A CN109730040A (en) | 2019-03-22 | 2019-03-22 | A kind of loach fry catching method |
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CN201910221639.5A CN109730040A (en) | 2019-03-22 | 2019-03-22 | A kind of loach fry catching method |
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CN109730040A true CN109730040A (en) | 2019-05-10 |
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CN201910221639.5A Pending CN109730040A (en) | 2019-03-22 | 2019-03-22 | A kind of loach fry catching method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110896901A (en) * | 2019-11-25 | 2020-03-24 | 上海海洋大学 | Seeding type culture method for experimental sinonovacula constricta |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104145891A (en) * | 2014-08-04 | 2014-11-19 | 澧县卧龙港泥鳅养殖专业合作社 | Large-scale loach fishing method |
CN205005752U (en) * | 2015-09-30 | 2016-02-03 | 高天阳 | Fish cage |
CN206586193U (en) * | 2016-09-30 | 2017-10-27 | 李凯捷 | Culturing jar |
-
2019
- 2019-03-22 CN CN201910221639.5A patent/CN109730040A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104145891A (en) * | 2014-08-04 | 2014-11-19 | 澧县卧龙港泥鳅养殖专业合作社 | Large-scale loach fishing method |
CN205005752U (en) * | 2015-09-30 | 2016-02-03 | 高天阳 | Fish cage |
CN206586193U (en) * | 2016-09-30 | 2017-10-27 | 李凯捷 | Culturing jar |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110896901A (en) * | 2019-11-25 | 2020-03-24 | 上海海洋大学 | Seeding type culture method for experimental sinonovacula constricta |
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Application publication date: 20190510 |
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