CN106070097A - Tilapia postlarva collection device and collection method - Google Patents
Tilapia postlarva collection device and collection method Download PDFInfo
- Publication number
- CN106070097A CN106070097A CN201610656691.XA CN201610656691A CN106070097A CN 106070097 A CN106070097 A CN 106070097A CN 201610656691 A CN201610656691 A CN 201610656691A CN 106070097 A CN106070097 A CN 106070097A
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- China
- Prior art keywords
- seedling
- collection
- postlarva
- support ring
- tilapia
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K69/00—Stationary catching devices
- A01K69/02—Fixed nets without traps
Abstract
The present invention relates to a kind of tilapia postlarva collection device and collection method, including collection seedling box, receive Seedling bend, described receipts Seedling bend is connected with collection seedling box, described receipts Seedling bend includes great circle support ring, roundlet support ring, great circle support ring, it is connected by contractile helical form elastic frame body between roundlet support ring, described great circle support ring, roundlet support ring, helical form elastic frame body is wrapped with receipts Seedling etting, described receipts Seedling bend is curved circular cone after pulling open, it it is seedling feeder at great circle support ring, for receiving Seedling mouth at roundlet support ring, receive Miao Kou to be connected with collection seedling box.This device makes full use of the biological characteristics of tilapia postlarva, allow postlarva seed by receiving Seedling bend automatically into collection seedling box, receive Seedling rate good, reduce the manual operation injury to postlarva Seedling, improve quality and the survival rate of seed, manually take place frequently to walk about in decreasing pond and drag for the interference that parent fish is bred by Seedling, improve and produce Seedling rate, simple to operate save time, laborsaving flexibly, reduce labor intensity.
Description
Technical field
The present invention relates to a kind of tilapia postlarva collection device and collection method, be particularly suited for tilapia natural propagation pond
The collection of postlarva in the pool.
Background technology
Tilapia is a kind of tropic fishes originating in Africa, and taxonomy belongs to Perciformes, Callichthyidae, tilapia genus,
It is the improved seeds that the World Food Programme is recommended, and is described as one of main source of following animal protein, at me
State has formed industrialization and foreign exchange earning.The mating system of tilapia seed at present, main still by the parent female, male matched
Fish natural propagation in soil pond, the seed hatched utilizes diddle-net manually to fish at pond periphery.This traditional seed
Catching method has limitation, artificial very difficult by clean for the seed catching in pond；Walking up and down in pond when manually fishing for
Dynamic can agitation breeds parent fish, and Seedling efficiency is produced in impact；Manually fish for diddle-net used ceaselessly to swing in water, to the Seedling fished for
Plant and cause certain injury, affect the quality of seed.On the other hand, the parent fish in natural propagation pond produces Seedling Time Inconsistency,
This carrying out being accomplished by artificial variable interval drags for Seedling operation, the most time-consuming, also add labor intensity.
Summary of the invention
In order to solve this problem, it is an object of the invention to provide a kind of tilapia postlarva collection device and collection side
Method.
A kind of technical scheme of the present invention is: a kind of tilapia postlarva collection device, including collection seedling box, receives Seedling bend, institute
Stating receipts Seedling bend to be connected with collecting seedling box, described receipts Seedling bend includes great circle support ring, roundlet support ring, great circle support ring, little
It is connected by contractile helical form elastic frame body between circle support ring, described great circle support ring, roundlet support ring, helical form
Elastic frame body is wrapped with receipts Seedling etting, and described receipts Seedling bend is curved circular cone after pulling open, and is seedling feeder at great circle support ring,
For receiving Seedling mouth at roundlet support ring, receive Miao Kou and be connected with collection seedling box.
Further, it is provided with anti-escape device at described seedling feeder, Ji Miaokou.
Further, described anti-escape device includes preventing escaping etting for curved circular cone, described anti-escape device, prevents escaping after pulling open
Etting front end is provided with big opening, and rear end is provided with little opening, and big opening is connected with receiving Seedling etting, and little opening part is enclosed with circle
Ring, annulus is connected with receiving Seedling etting by static line.
Further, described collection seedling box includes annulus frame, lower annulus frame, if passing through between upper annulus frame, lower annulus frame
Dry column is connected, described collection seedling box week side and bottom be enclosed with etting, the etting of collection seedling box week side is provided with to receive Seedling curved
The Ji Miaokou that road is connected.
Further, described etting, receipts Seedling etting and anti-escape bolting silk mesh used by etting and be 40-60.
Further, the seedling feeder bottom of described collection seedling box lower end and receipts Seedling bend is provided with Telescopic Fixed support, collection
The Telescopic Fixed frame bottom of seedling box lower end is provided with the fixing foot of round pie, receives seedling feeder bottom Telescopic Fixed of Seedling bend
Frame bottom is provided with the anchor head of ship anchor-shaped.
Further, the seedling feeder bottom receiving Seedling bend is provided with two Telescopic Fixed supports, two Telescopic Fixed supports
Between angle be 90 degree.
Further, a diameter of 50-60cm of great circle support ring, a diameter of 20-30cm of roundlet support ring.
The collection method of a kind of tilapia postlarva collection device, comprises the following steps:
(1) tilapia postlarva collection device is put at the Jin Tang ridge, seed breeding pond；
(2) slowly open receipts Seedling bend, seedling feeder is close to Chi Geng limit by Telescopic Fixed support and fixes, regulate Telescopic Fixed
Frame makes seedling feeder diameter overlap with the pond water surface, and seedling feeder direction is consistent with pond water flow path direction, and receipts Seedling bend wants half
Slip in pond water；
(3) adjust collection seedling box position, make receipts Seedling bend be in fully deployed state；
(4) by Telescopic Fixed bracket adjustment collection seedling box height, make Ji Miaokou just slip into the pond water surface, then utilize fixing foot
Fix collection seedling box；
(5) after tilapia postlarva enters collection seedling box, start to collect postlarva Seedling, and according to tilapia postlarva close in collection seedling box
Degree, periodically moves into cultivation pond by the postlarva Seedling in collection seedling box and carries out larval rearing.
Compared with prior art, the method have the advantages that
(the tilapia postlarva just hatched has sociability, adjoined water surface, tight to make full use of the biological characteristics of tilapia postlarva
By pool wall and characteristic travelling against the current), allow postlarva seed by receipts Seedling bend automatically into collection seedling box, use with Traditional Man and copy
Net drags for Seedling and compares, and receives Seedling rate good, and reduces the manual operation injury to postlarva Seedling, improves quality and the survival rate of seed；
Can round-the-clock automatic receipts Seedling and collection Seedling, drag for Seedling with Traditional Man compared with, manually take place frequently to walk about in greatly reducing pond and drag for
The interference that parent fish is bred by Seedling, improves Seedling rate of producing, and can well be fished for totally by the postlarva in breeding pond；
Simple to operate flexibly, being not required to professional training can complete, it is easy to accept, drag for Seedling with Traditional Man compared with, not only save time, save
Power, moreover it is possible to reduce labor intensity, promotes Seedling production efficiency.
The present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of this device；
Fig. 2 is the structural representation receiving Seedling bend；
Fig. 3 is the structural representation of anti-escape device.
In figure:
1-collection seedling box；101-upper annulus frame；Annulus frame under 102-；103-column；104-etting；2-receives Seedling bend；201-great circle
Support ring；202-roundlet support ring；203-helical form elastic frame body；204-receives Seedling etting；The Telescopic Fixed support of 3-；4-fixes
Foot；5-anchor head；6-anti-escape device；601-is anti-escapes etting；602-static line；603-annulus.
Detailed description of the invention
As Figure 1-3, a kind of tilapia postlarva collection device, including collection seedling box 1, receive Seedling bend 2, described receipts Seedling bend
2 are connected with collection seedling box 1, and described receipts Seedling bend 2 includes great circle support ring 201, roundlet support ring 202, great circle support ring 201,
Being connected by contractile helical form elastic frame body 203 between roundlet support ring 202, described great circle support ring 201, roundlet prop up
Pushing out ring 203, helical form elastic frame body 203 are wrapped with receipts Seedling etting 204, and described receipts Seedling bend 2 is curved circular cone after pulling open,
It is seedling feeder at great circle support ring 201, for receiving Seedling mouth at roundlet support ring 202, receives Miao Kou and be connected with collection seedling box 1.
In the present embodiment, it is provided with anti-escape device 6 at described seedling feeder, Ji Miaokou.
In the present embodiment, described anti-escape device 6 includes preventing escaping net for curved circular cone, described anti-escape device 6 after pulling open
Clothing 601, prevents that escaping etting 601 front end is provided with big opening, and rear end is provided with little opening, and big opening is connected with receiving Seedling etting 204,
Little opening part is enclosed with annulus 603, and annulus 603 is connected with receiving Seedling etting 204 by static line 602.
In the present embodiment, described collection seedling box 1 includes annulus frame 101, lower annulus frame 102, upper annulus frame 101, lower circle
Being connected by some columns 103 between ring frame 102,1 week side of described collection seedling box and bottom are enclosed with etting 104, collection seedling box 1 week
It is provided with on the etting 104 of side and receives the Ji Miaokou that Seedling bend 2 is connected.
In the present embodiment, described etting 104, receive Seedling etting 204 and anti-escape bolting silk mesh used by etting 601 and be 40-
60。
In the present embodiment, the seedling feeder bottom of described collection seedling box 1 lower end and receipts Seedling bend 2 is provided with Telescopic Fixed
Frame 3, is provided with the fixing foot 4 of round pie, receives the seedling feeder bottom of Seedling bend 2 bottom the Telescopic Fixed support 3 of collection seedling box 1 lower end
Telescopic Fixed support 3 bottom be provided with the anchor head 4 of ship anchor-shaped.
In the present embodiment, the seedling feeder bottom receiving Seedling bend 2 is provided with two Telescopic Fixed supports 3, and two flexible solid
Angle between fixed rack 3 is 90 degree.
In the present embodiment, a diameter of 50-60cm of great circle support ring 201, a diameter of 20-30cm of roundlet support ring 202.
The collection method of a kind of tilapia postlarva collection device, comprises the following steps:
(1) tilapia postlarva collection device is put at the Jin Tang ridge, seed breeding pond；
(2) slowly open receipts Seedling bend 2, seedling feeder is close to Chi Geng limit by Telescopic Fixed support 3 and fixes, regulate Telescopic Fixed
Support 3 makes seedling feeder diameter overlap with the pond water surface, and seedling feeder direction is consistent with pond water flow path direction, and receives Seedling bend 2
Partly to slip in pond water；
(3) adjust collection seedling box 1 position, make receipts Seedling bend 2 be in fully deployed state；
(4) by Telescopic Fixed support 3 regulation collection seedling box 1 height, make Ji Miaokou just slip into the pond water surface, then utilize fixing
Foot 4 fixes collection seedling box 1；
(5) after tilapia postlarva enters collection seedling box 1, start to collect postlarva Seedling, and according to tilapia postlarva close in collection seedling box 1
Degree, periodically moves into cultivation pond by the postlarva Seedling in collection seedling box 1 and carries out larval rearing.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (9)
1. a tilapia postlarva collection device, it is characterised in that: include collecting seedling box, receiving Seedling bend, described receipts Seedling bend and collection
Seedling box is connected, and described receipts Seedling bend includes great circle support ring, roundlet support ring, logical between great circle support ring, roundlet support ring
Cross contractile helical form elastic frame body to be connected, described great circle support ring, roundlet support ring, helical form elastic frame body outer wrapping
Having receipts Seedling etting, described receipts Seedling bend is curved circular cone after pulling open, and is seedling feeder, at roundlet support ring is at great circle support ring
Receive Seedling mouth, receive Miao Kou and be connected with collection seedling box.
Tilapia postlarva collection device the most according to claim 1, it is characterised in that: at described seedling feeder, Ji Miaokou all
It is provided with anti-escape device.
Tilapia postlarva collection device the most according to claim 2, it is characterised in that: described anti-escape device is arc after pulling open
Shape cone, described anti-escape device includes preventing escaping etting, prevents that escaping etting front end is provided with big opening, and rear end is provided with little opening,
Big opening is connected with receiving Seedling etting, and little opening part is enclosed with annulus, and annulus is connected with receiving Seedling etting by static line.
Tilapia postlarva collection device the most according to claim 3, it is characterised in that: described collection seedling box includes annulus
Frame, lower annulus frame, be connected by some columns between upper annulus frame, lower annulus frame, described collection seedling box week side and bottom parcel
There is etting, the etting of collection seedling box week side is provided with and receives the Ji Miaokou that Seedling bend is connected.
Tilapia postlarva collection device the most according to claim 4, it is characterised in that: described etting, receipts Seedling etting and anti-
Escape bolting silk mesh used by etting and be 40-60.
Tilapia postlarva collection device the most according to claim 5, it is characterised in that: described collection seedling box lower end and receipts Seedling are curved
The seedling feeder bottom in road is provided with Telescopic Fixed support, and the Telescopic Fixed frame bottom of collection seedling box lower end is provided with round pie
Fixing foot, the Telescopic Fixed frame bottom of the seedling feeder bottom receiving Seedling bend is provided with the anchor head of ship anchor-shaped.
Tilapia postlarva collection device the most according to claim 6, it is characterised in that: the seedling feeder bottom receiving Seedling bend sets
Being equipped with two Telescopic Fixed supports, the angle between two Telescopic Fixed supports is 90 degree.
Tilapia postlarva collection device the most according to claim 7, it is characterised in that: a diameter of 50-of great circle support ring
60cm, a diameter of 20-30cm of roundlet support ring.
9. a collection method for tilapia postlarva collection device, uses tilapia postlarva as claimed in claim 6 to collect dress
Put, it is characterised in that comprise the following steps:
(1) tilapia postlarva collection device is put at the Jin Tang ridge, seed breeding pond；
(2) slowly open receipts Seedling bend, seedling feeder is close to Chi Geng limit by Telescopic Fixed support and fixes, regulate Telescopic Fixed
Frame makes seedling feeder diameter overlap with the pond water surface, and seedling feeder direction is consistent with pond water flow path direction, and receipts Seedling bend wants half
Slip in pond water；
(3) adjust collection seedling box position, make receipts Seedling bend be in fully deployed state；
(4) by Telescopic Fixed bracket adjustment collection seedling box height, make Ji Miaokou just slip into the pond water surface, then utilize fixing foot
Fix collection seedling box；
(5) after tilapia postlarva enters collection seedling box, start to collect postlarva Seedling, and according to tilapia postlarva close in collection seedling box
Degree, periodically moves into cultivation pond by the postlarva Seedling in collection seedling box and carries out larval rearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656691.XA CN106070097A (en) | 2016-08-12 | 2016-08-12 | Tilapia postlarva collection device and collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656691.XA CN106070097A (en) | 2016-08-12 | 2016-08-12 | Tilapia postlarva collection device and collection method |
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| Publication Number | Publication Date |
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| CN106070097A true CN106070097A (en) | 2016-11-09 |
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ID=57455515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610656691.XA Pending CN106070097A (en) | 2016-08-12 | 2016-08-12 | Tilapia postlarva collection device and collection method |
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Cited By (3)
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| CN108040987A (en) * | 2017-12-11 | 2018-05-18 | 上海市水产研究所 | A kind of wild fish parent live body finishing device and its application method |
| CN108174828A (en) * | 2018-02-24 | 2018-06-19 | 常熟理工学院 | California perch sampling method |
| CN114747548A (en) * | 2022-04-07 | 2022-07-15 | 中国科学院水生生物研究所 | Seedling catching type ground cage |
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Application publication date: 20161109 |
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