CN105340808A - Net piece feeding method for artificial seedling of adhesion-type dual-shell animals - Google Patents
Net piece feeding method for artificial seedling of adhesion-type dual-shell animals Download PDFInfo
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- CN105340808A CN105340808A CN201510904845.8A CN201510904845A CN105340808A CN 105340808 A CN105340808 A CN 105340808A CN 201510904845 A CN201510904845 A CN 201510904845A CN 105340808 A CN105340808 A CN 105340808A
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- net
- mesh sheet
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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 invention discloses a net piece feeding method for artificial seedling of adhesion-type dual-shell animals. The feeding method comprises the steps of firstly determining the opportunity for feeding the net pieces, calculating the number of the net pieces required by a culturing pond, designing the feeding line number and the line spacing of the culturing pond, hanging and feeding a net by virtue of a net feeder, and finally arranging the net pieces, so as to finish the whole net feeding process, wherein the main body of the net feeder is of a rod-shaped net frame, a plurality of net teeth are arranged on the net frame, and handles are respectively arranged at two ends of the net frame. The feeding method is applicable to multiple adhesion-type dual-shell animals such as bay scallops, chlamys farreri, scapharca broughtonii and the like. The net piece feeding method has the advantages that the line production can be adopted, the operation steps are simple, lots of labor is not required, each operator is detailed in work division and is skilled in operation, so that the large-scale net piece feeding operation has the characteristics of high efficiency and convenience; besides, the adopted net feeder is simple in structure, easy to produce, low in production cost and convenient to generalize in large scale.
Description
Technical field
The present invention relates to mesh sheet put-on method in a kind of attached type Bivalve artificial breeding, belong to aquaculture field.
Background technology
In attached type Bivalve artificial breeding is produced, collecting seedling is the key link of whole process.At present, the adherance of collecting seedling comprises mesh sheet and two kinds, brown curtain; Wherein, mesh sheet is polyethylene material, and gathering the functional of eyebot larvae, is the important adherance of collecting seedling.So far, the put-on method of mesh sheet has two kinds.One is " fixed " put-on method, that is: first lay with embarking on journey in pond and arrange polyethylene rope more, then mesh sheet is one by one tied up on polyethylene rope, and mesh sheet is hung regularly in cultivation pond.This method can make mesh sheet fitly embark on journey distribution, and the position of each mesh sheet is fixing, and pool inner water circulation is smooth; But hanging mesh sheet and juvenile mollusk outbound complex operation, take a lot of work consuming time.Before nineteen nineties, the water body scale of Bivalve artificial breeding is general less, and " fixed " put-on method is used more.But after entering 21st century, seedling water expands rapidly, the production scale of the no longer suitable expanding day of said method, little by little replace by " free style " put-on method." free style " put-on method refers to mesh sheet one by one directly to throw to the method in cultivation pond, and this method is simple to operate, improves mesh sheet and throws in speed, saving of work and time; But mesh sheet is skewness in pond, often there is displacement and poly-heap phenomenon, which prevent the current in pond, affecting juvenile mollusk growth and survival simultaneously because causing juvenile mollusk local distribution amount too high.Visible, above-mentioned two kinds of mesh sheet put-on methods cut both ways, and all need improvement.
Summary of the invention
The object of this invention is to provide the put-on method of mesh sheet when a kind of attached type Bivalve artificial breeding is produced, time saving and energy saving, can ensure that again mesh sheet is uniformly distributed in and cultivate in pond, overcome the shortcoming existed in existing mesh sheet put-on method.
For achieving the above object, the concrete technical scheme that the present invention takes is:
A () mesh sheet throws in line number and line space design: according to the mesh sheet number of the quantity and device of casting net carrying of cultivating pond sheet to be cast net, calculating should be cast net the line number of sheet, and according to cultivating shape and the size in pond, the arrangement of row is thrown in design, is specially each line space and progressively strengthens to pond central authorities from cultivation two ends, pond; This is determined by larva characteristic distributions in cultivation pond, and namely larva circumferential distribution density in cultivation pond is comparatively large, and it is less to cultivate centre position, pond distribution density;
(b) linked network: device flatrack is cultivated on the edge, pond in pond at sky by casting net, net tooth towards directly over, the mesh sheet again bottom being provided with dropstone hangs on the net tooth of device of casting net, the each net tooth being specially device two ends 1st ~ 6 net tooth of casting net hangs 2 ~ 4, other net tooth remaining hangs 1 ~ 4, every frame device of casting net hangs up 20 ~ 80 mesh sheet, and keeps net tooth upward;
C () is cast net: by the above-mentioned device of casting net hanging with mesh sheet, move to and cultivate on the input line position described in pond to step (a), swing handle, rack vertical rotation 180 °, make net tooth towards immediately below, the mesh sheet hung on net tooth falls to voluntarily cultivates in pond, throws in line by line, throw full whole cultivation pond according to the arrangement of input row.
Said method also comprises arrangement mesh sheet: mesh sheet curling individually flattened after having cast net, and relay to original position after the mesh sheet of the dropstone that drops has been fastened dropstone.
Described device main body of casting net is the rack of rod, and described rack is provided with multiple net tooth, and the two ends of described rack are respectively equipped with handle.
The caliber of described rack is 20 ~ 25mm, and its length is than cultivating pond width length 20 ~ 30cm; Described net number of teeth order is 18 ~ 22, and it is highly 3 ~ 5cm, and each net tooth can hang up 1 ~ 4 mesh sheet, the 10 ~ 15cm less of cultivation pond width of the distance between the net tooth of two ends, left and right, and space width strengthens gradually from two ends to centre; Described handle length is 30 ~ 40cm, and the handle at two ends, left and right is parallel to each other, and perpendicular with net tooth.
Above-mentioned put-on method is suitable for multiple attached type Bivalve, and common kind has bay scallop, chlamys farreri, Patinopecten yessoensis, Chlamys nobilis and stalwart blood clam.
Advantage of the present invention: the distribution and the growth characteristics that the present invention is based on Bivalve larva in nursery pond, arranges one and to cast net device, and this device structure of casting net is simple, be easy to make, and cost of manufacture is low.Only mesh sheet hung over during use on the net tooth of device of casting net, rotate rack, mesh sheet is just thrown in cultivation pond smoothly, and according to the design of input row, make mesh sheet distribute in pond neatly, embark on journey, Chi Shui flows in the ranks unobstructedly, is convenient to juvenile mollusk growth and survival; This method can take continuous productive process, and operating procedure is simple, does not need a large amount of manpower, and each operating personnel divide the work distinct, skilled operation, makes to throw on a large scale mesh sheet and has efficient and feature easily.Facts have proved that the present invention is that aquatic product sprout breeding field has saved a large amount of manpower and financial resources, and reach good juvenile mollusk way to cultivate, apparatus and method are simply convenient to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of device of casting net in the present invention.
Wherein, 1-rack, 2-net tooth, 3-handle, 4-mesh sheet, 5-dropstone.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is further described.
Device of casting net as shown in Figure 1, its main body is the rack 1 of rod, and for carrying mesh sheet 4, described rack 1 is provided with multiple net tooth 2, and the two ends of described rack 1 are respectively equipped with handle 3.Wherein, the materials such as galvanized pipe, seamless steel pipe or stainless steel tube selected by rack 1, and its caliber is set to 20 ~ 25mm, and its length is than cultivating pond width length 20 ~ 30cm; Described net tooth 2 number is 18 ~ 22, it is highly 3 ~ 5cm, distance between the net tooth of two ends, left and right 10 ~ 15cm less of cultivation pond width, and space width strengthens from two ends gradually to centre, net tooth 2 is for hanging up mesh sheet 4, each net tooth 2 can hang up multiple mesh sheet 4, and each mesh sheet 4 must add dropstone 5.For ease of making, net tooth 2 can select diameter to be 3 ~ 5mm, is highly the nail of 3 ~ 5cm, must be cut away at the tip of nail and grind round and smooth, to ensure safe operation process during making; Described handle 3 length is 30 ~ 40cm, and the handle 3 at two ends, left and right is parallel to each other, and perpendicular with net tooth 2, and handle 3 can for being welded on galvanized pipe, the material such as seamless steel pipe or stainless steel tube at rack 1 two ends, and tubing and caliber are with rack 1.When linked network, handle 3 lies in Chi Yanshang, prevents device rotation of casting net, plays the effect of device of fixedly casting net; When lifting net and casting net operation, handle 3 is used as motion arm purposes; When casting net, swing handle 3, makes rack 1 rotate 180 °, allow net tooth 2 towards immediately below, the mesh sheet 4 hung on net tooth 2 is fallen to voluntarily and cultivates in pond.
With bay scallop (
argopectenirradians) artificial breeding throw in mesh sheet collect seedling as example describes the present invention in detail, concrete operation step is:
A () is determined to throw in opportunity of mesh sheet: when the occurrence rate of eyebot larvae reaches 50% ~ 70% and part eyespot becomes circle, shell edge thickeies, bring into use device of casting net to throw in mesh sheet, implement to collect seedling;
B () calculates required mesh sheet number: be 18 ~ 20m according to cultivation pond water body
3, eyebot larvae density is that 10 ~ 12/ml and device of casting net have 18 ~ 22 net teeth, each net tooth can hang 1 ~ 4 mesh sheet, mesh sheet number needed for calculating, according to cultivation density and the cultivation pond water body of bay scallop eyebot larvae, plans each cultivation pond and throws in 800 ~ 1000 mesh sheet;
C () is cultivated pond and is thrown in line number and line space design: according to shape and the size of cultivating pond, the arrangement of row is thrown in design, be specially each line space progressively to strengthen from cultivation two ends, pond to pond central authorities: bay scallop eyebot larvae pool water within surrounding station acquisition amount is larger, reduced gradually by the collection capacity of four circumferential pond central authorities, according to bay scallop eyebot larvae habit of growth and the size of cultivating pond, designing every pond and throw in 18 ~ 22 row, strengthening gradually from cultivating the line space of two ends, pond to pond central authorities;
(d) linked network: during linked network, casting net device flatrack on the edge, pond in empty pond, net tooth 2 upward, the mesh sheet 4 bottom being provided with dropstone 5 hangs on the net tooth 2 of device of casting net, and each net tooth 2 being specially 1st ~ 6 the net teeth in device two ends of casting net hangs 2 ~ 4, and other net tooth 2 remaining hangs 1 ~ 4, every frame device of casting net hangs up 20 ~ 80 mesh sheet 4, and keep net tooth 2 upward, often row net tooth 2 hangs up the quantity of mesh sheet 4, reduces gradually from two ends to central authorities; Be specially: enter discharge ends often row 60 ~ 80 near cultivating pond, the net tooth 2 at every row two ends hangs 3 ~ 4, near the often capable extension 30 ~ 50 of pond central authorities, the net tooth 2 at every row two ends hang 1 ~ 3;
E () is cast net: by the above-mentioned device of casting net hanging with mesh sheet 4, move to and cultivate on the input line position described in pond to step (c), swing handle 3, rack 1 vertical rotation 180 °, make net tooth 2 towards immediately below, the mesh sheet 4 hung on net tooth 2 falls to voluntarily cultivates in pond, throws in line by line, throw full whole cultivation pond according to the arrangement of input row;
F () arranges mesh sheet: use small bamboo to flatten mesh sheet 4 curling individually after having cast net, and relay to original position after the mesh sheet 4 of the dropstone 5 that drops has been fastened dropstone 5.
Above-described embodiment only for technical conceive of the present invention and feature are described, can not limit the scope of the invention with this.All equivalent transformations of doing according to Spirit Essence of the present invention or modification, all should be encompassed in protection scope of the present invention.
Claims (5)
1. an attached type Bivalve artificial breeding mesh sheet put-on method, is characterized in that comprising the steps:
A () mesh sheet throws in line number and line space design: according to the mesh sheet number of the quantity and device of casting net carrying of cultivating pond sheet to be cast net (4), calculating should be cast net the line number of sheet (4), and according to cultivating shape and the size in pond, the arrangement of row is thrown in design, is specially each input line space and progressively strengthens to pond central authorities from cultivation two ends, pond;
(b) linked network: the mesh sheet (4) bottom being provided with dropstone (5) hangs on the net tooth (2) of device of casting net, be specially the upper extension 2 ~ 4 of each net tooth (2) of device two ends 1st ~ 6 net tooth of casting net, its co-net tooth (2) hangs 1 ~ 4, every frame device of casting net hangs up 20 ~ 80 mesh sheet (4), and keeps net tooth (2) upward;
C () is cast net: by the above-mentioned device of casting net hanging with mesh sheet, move to and cultivate on the input line position described in pond to step (a), swing handle (3), rack (1) vertical rotation 180 °, make net tooth (2) towards immediately below, the mesh sheet (4) hung on net tooth (2) falls to voluntarily cultivates in pond, throws in line by line, throw full whole cultivation pond according to the arrangement of input row.
2. put-on method as claimed in claim 1, is characterized in that also comprising arrangement mesh sheet: mesh sheet (4) curling individually flattened after having thrown in, and relay to original position after the mesh sheet (4) of the dropstone that drops (5) has been fastened dropstone (5).
3. put-on method as claimed in claim 1, it is characterized in that described device main body of casting net is the rack (1) of rod, described rack (1) is provided with multiple net tooth (2), and the two ends of described rack (1) are respectively equipped with handle (3).
4. put-on method as claimed in claim 3, is characterized in that the caliber of described rack (1) is 20 ~ 25mm, and its length is than cultivating pond width length 20 ~ 30cm; Described net tooth (2) number is 18 ~ 22, and it is highly 3 ~ 5cm, the 10 ~ 15cm less of cultivation pond width of the distance between the net tooth of two ends, left and right, and space width strengthens gradually from two ends to centre; Described handle (3) length is 30 ~ 40cm, and the handle (3) at two ends, left and right is parallel to each other, and perpendicular with net tooth (2).
5. put-on method as claimed in claim 1, is characterized in that described attached type Bivalve is bay scallop, chlamys farreri, Patinopecten yessoensis, Chlamys nobilis or stalwart blood clam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904845.8A CN105340808B (en) | 2015-12-09 | 2015-12-09 | A kind of attached type Bivalve artificial breeding mesh sheet put-on method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510904845.8A CN105340808B (en) | 2015-12-09 | 2015-12-09 | A kind of attached type Bivalve artificial breeding mesh sheet put-on method |
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| CN105340808A true CN105340808A (en) | 2016-02-24 |
| CN105340808B CN105340808B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510904845.8A Active CN105340808B (en) | 2015-12-09 | 2015-12-09 | A kind of attached type Bivalve artificial breeding mesh sheet put-on method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575837A (en) * | 2018-05-03 | 2018-09-28 | 浙江海洋大学东海科学技术学院 | Mussel planting unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492071Y (en) * | 2001-05-31 | 2002-05-22 | 李文兴 | Hand control float set-point feeding fishing device |
| CN202456087U (en) * | 2012-02-16 | 2012-10-03 | 山东东方海洋科技股份有限公司 | Mesh attachment base |
| FR2956795B1 (en) * | 2010-03-01 | 2013-07-05 | Earl Brevault | HOLDER FOR SHELL POCKETS |
| CN203058096U (en) * | 2012-11-28 | 2013-07-17 | 四川铁骑力士实业有限公司 | Bait casting device for aquatic product test |
| CN104585089A (en) * | 2015-01-06 | 2015-05-06 | 天津市滨海新区东源水产品有限公司 | Seawater net cage aquaculture method for stichopus japonicus |
-
2015
- 2015-12-09 CN CN201510904845.8A patent/CN105340808B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492071Y (en) * | 2001-05-31 | 2002-05-22 | 李文兴 | Hand control float set-point feeding fishing device |
| FR2956795B1 (en) * | 2010-03-01 | 2013-07-05 | Earl Brevault | HOLDER FOR SHELL POCKETS |
| CN202456087U (en) * | 2012-02-16 | 2012-10-03 | 山东东方海洋科技股份有限公司 | Mesh attachment base |
| CN203058096U (en) * | 2012-11-28 | 2013-07-17 | 四川铁骑力士实业有限公司 | Bait casting device for aquatic product test |
| CN104585089A (en) * | 2015-01-06 | 2015-05-06 | 天津市滨海新区东源水产品有限公司 | Seawater net cage aquaculture method for stichopus japonicus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575837A (en) * | 2018-05-03 | 2018-09-28 | 浙江海洋大学东海科学技术学院 | Mussel planting unit |
| CN108575837B (en) * | 2018-05-03 | 2021-05-11 | 浙江海洋大学东海科学技术学院 | Mussel planting device |
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| CN105340808B (en) | 2017-11-24 |
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