CN101703010A

CN101703010A - Small-waterplane high-density semi-flowing cultivating technology of paddlefish

Info

Publication number: CN101703010A
Application number: CN200910044794A
Authority: CN
Inventors: 游均可
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-23
Filing date: 2009-11-23
Publication date: 2010-05-12

Abstract

The invention relates to a small-waterplane high-density semi-flowing cultivating technology of paddlefish, 5 to 6 paddlefish fries are put in per cubic meter and matched with 60 chub fries and 100 crucian fries, sweet wormwood herb is put into a fishpond at the front stage so as to cultivate plankton in the fishpond as main fry feed, expanded feed is then put into the fishpond as main feed of the paddlefish at the later period, and fishpond water is replaced on time during the cultivation period. The invention is free from the overcritical requirement on a large-waterplane fishpond for cultivating the paddlefish, the paddlefish can be cultivated by a large scale at the area that is short of large-waterplane fishpond, and the paddlefish has high survival ratio, high growth speed and docile temperament and is easy to catch.

Description

Small-waterplane high-density semi-flowing cultivating technology of paddlefish

Technical field

The present invention relates to aquaculture technology, relate in particular to small-waterplane high-density semi-flowing cultivating technology of paddlefish.

Background technology

Paddlefish is subordinate to Gadiformes, Polyodontidae, originate in North America, paddlefish and other are cultured fish remarkable advantages: first comfort zone is wide, fast growth, feed source is wide, and producing cost is low, fish for easily, it two is economic worth height, and it three is not destroy water environment, can also play the effect that purifies water.

Yet, nearly all textbook, network data have all proposed to culture the paddlefish water surface at least in the requirement more than 5 mu, assert " paddlefish is the fish that a kind of big water surface is cultured " and domestic well-known fisheries expert is all consistent, for lacking the area of culturing the paddlefish fishpond water surface, when culturing, the breed personnel need extend big water surface fishpond, make floor space and fund input very huge.

Summary of the invention

Technical problem solved by the invention is to provide a kind of small-waterplane high-density semi-flowing cultivating technology of paddlefish, to solve the shortcoming in the above-mentioned background technology.

Technical problem solved by the invention realizes by the following technical solutions:

Small-waterplane high-density semi-flowing cultivating technology of paddlefish utilizes small face, implements high density, adopts semi-fluid water, and the water quality of suitably fostering and apply fertilizer is in conjunction with the aquaculture model of the expanded pellet diet of throwing something and feeding.

Before putting in a suitable place to breed, fry needs preliminary treatment is carried out in the fishpond: the fishpond sterilization, and according to 0.1kg/m ³～0.2kg/m ³The standard quicklime of splashing, tan by the sun and irritate the pond after 7 days, irritate the pond after 15 days according to 0.2kg/m ³～0.3kg/m ³Standard throw in the sweet wormwood fruit grass to the pond, the sweet wormwood fruit grass is divided equally and is bundled into 4 bundles, is soaked in 4 angles, pond, soaks 7 days water quality transparencies when the 30cm left and right sides, the Chi Shui work of fattening is finished.

Among the present invention, paddlefish is adopted the cover breeding method, throws in paddlefish fry 5～6 tails for every cubic metre, collocation silver carp seedling 60 tails, carp fry 100 tails; Behind the paddlefish fry lower storage reservoir, every day early, middle and late detection water temperature, and with PH detection paper water quality 1 time, early, opened the aerator oxygen supply each 2 hours evening, drives water pumper every day and pour water in the pond 3 times, each 2 hours, makes the Chi Shui exchange.

Among the present invention, according to the paddlefish plankton that ingests, the characteristics of the artificial feed of ingesting again, the raising method of water quality of taking suitably to foster and apply fertilizer in conjunction with the expanded pellet feed of throwing something and feeding.Within the input fry 5 months, divide three phases to cultivate plankton according to water temperature, weather: the phase I, water temperature is about 30 degree, according to 0.2kg/m ³～0.3kg/m ³Standard, on 4 angles, pond, throw in bundled sweet wormwood fruit grass, and changed once in 4 days, water transparence remains on about 30cm, second stage, water temperature is more than 30 degree, according to 0.1kg/m ³～0.2kg/m ³Standard, on 4 angles, pond, throw in bundled sweet wormwood fruit grass, and changed once in 3 days, water transparence remains on about 40cm, the phase III is according to 0.1kg/m ³～0.2kg/m ³Standard, on 4 angles, pond, throw in bundled sweet wormwood fruit grass, and 5 days change once; After 5 months, all based on the expanded pellet diet of throwing something and feeding, protein content is more than 30% in the feed of throwing something and feeding, and placement position is selected in shoal of fish activity centre, and every day 4:00 AM, the mornings 8 point, throw something and feed in 8 set time of evening.

Beneficial effect:

The present invention has broken away from and has cultured paddlefish and need the overcritical of big water surface fishpond, still can the large-scale farming paddlefish in the area that lacks big water surface fishpond, and also the survival rate height of paddlefish, fast growth, the disposition docility rises easily and catches.

Embodiment

Give an actual example below and describe the present invention.

1, the preparation of cultivation fish pond

The fishpond of choosing is 171.4m ³, the pond is rectangle, and has protected the cement slope all around, at the bottom of the pond be mud at the bottom of, sunny, condition of water quality is good, and the drainage and irrigation equipment facility is arranged, and water, electricity, road are unobstructed, the pond is equipped with the water pumper of a 1kw, 1kw formula aerator of swimming, and the exchange of drawing water that can circulate reaches and reconciles water quality and oxygenation purpose; Remove mud in the pond, scattered lime 15kg is sprinkled in disinfection, tanning by the sun drew water after 7 days irritates the pond, irritate pond water after 15 days, throw in sweet wormwood fruit grass 40kg, be bundled into 4 bundles to the pond, every bundle 10kg, be immersed in 4 angles, pond respectively, grow fat through water quality after 4 days, the water quality transparency is about 30cm, just can see after one week in the pond that red insects that a large amount of whites are agglomerating and other planktons at water float, make the edible thing class that capacity is arranged behind the pool under the paddlefish.

2, the paddlefish fry puts in a suitable place to breed

After the cultivating condition in fish pond, water quality and bait etc. all reach and put paddlefish fry standard in a suitable place to breed, drop into fry 550 tails, collocation silver carp seedling 60 tails, carp fry 100 tails; Behind the paddlefish fry lower storage reservoir, detect water temperature every day, early, middle and late 3 times, with PH detection paper water quality once, open the aerator oxygen supply every day sooner or later, each 2 hours, drive water pumper every day and in the pond, pour water 3 times, each 2 hours, make the Chi Shui exchange.

3, paddlefish fry feeding and management

According to the paddlefish plankton that ingests, the characteristics of the artificial feed of ingesting again after the water quality of having taked on the cultural method suitably to foster and apply fertilizer, in conjunction with throwing something and feeding expanded pellet feed, have solved paddlefish bait problem again effectively, and it is as follows that bait is raised concrete operations.

Divide three phases to cultivate plankton according to weather, water temperature, cultural method is: the phase I: May 18 was to July 18, water temperature is about 30 degree, throw in sweet wormwood fruit grass 40kg to the pond at every turn, be bundled into 4 bales, be immersed in respectively on 4 angles in pond, changed the sweet wormwood fruit grass one time in per 4 days, water transparence remains on about 30cm; Second stage: July 19, water temperature was changed the sweet wormwood fruit grass one time in per 3 days more than 30 degree, only throw in 30kg at every turn to September 30, and water transparence is controlled in the 40cm scope; Phase III: October 1 changed the sweet wormwood fruit grass one time, and threw in 30kg at every turn to October 30 in per 5 days.

The feeding method of expanded pellet diet: the paddlefish fry was through 5 months raising, plankton in the pond can not be satisfied the needs of paddlefish life and growth, must replenish with artifical compound feed, the artificial feed of throwing something and feeding are accomplished " three is fixed ", decide matter: feed is fresh, and the protein content in the assurance feed is more than 30%; The location: the feed of throwing something and feeding will have fixing position, selects position, shoal of fish activity centre to feed intake; Regularly: every day 4:00 AM, the mornings 8 point, 8 feeds of throwing something and feeding in the set time fed intake at every turn and will come surely according to eat food situation and Changes in weather situation of fish evening, generally were controlled in 30 minutes and ate up.

4, the management of fishpond water quality

Draw water and irritate pond adjusting water quality, water advances from south, discharges from north orientation, makes water form the convection current mapping mode, adds water every day 3 times, and early, middle and late each 1 time, added water 2 hours at every turn, guarantee small face fishpond water dissolved oxygen abundance.

5, fish disease prevention

Regularly with quicklime and insecticide " Meichongling " prevention fish disease, the quicklime of splashing one time every 30 days is used 5kg lime at every turn, converts the water full pool spilling head, splashes once with insecticide " Meichongling " every 40 days, and 3-5ml splashes at every turn.

More than showing and described basic principle of the present invention and principal character and advantage of the present invention. the technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention. and the claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims

1. small-waterplane high-density semi-flowing cultivating technology of paddlefish is characterized in that, utilizes small face, implements high density, adopts semi-fluid water, the water quality of suitably fostering and apply fertilizer, and in conjunction with the aquaculture model of the expanded pellet diet of throwing something and feeding, method is as follows:

(1), the fishpond initial stage uses quicklime to carry out disinfection, the consumption standard is 0.1kg/m ³～0.2kg/m ³

(2), the fishpond initial stage fattens to throw in sweet wormwood fruit grass mode, the input standard is 0.2kg/m ³～0.3kg/m ³

(3), paddlefish is adopted the cover breeding method, every cubic metre of input paddlefish fry 5～6 tails, collocation silver carp seedling 60 tails, carp fry 100 tails;

(4), after breeding fish fry preceding 5 months as main feed, are main feed with the expanded pellet diet of throwing something and feeding with plankton in the culture pond after 5 months.

2. small-waterplane high-density semi-flowing cultivating technology of paddlefish according to claim 1 is characterized in that, the quicklime of splashing one time every 30 days is used 5kg lime at every turn.

3. small-waterplane high-density semi-flowing cultivating technology of paddlefish according to claim 1 is characterized in that, every day 4:00 AM, the mornings 8 point, 8 feeds of throwing something and feeding in the set time fed intake at every turn and will come surely according to eat food situation and Changes in weather situation of fish evening, generally were controlled in 30 minutes and ate up.