CN100446665C - Indoor culture device of copepoda population - Google Patents

Abstract

The present invention discloses an indoor culture device of copepod population, which comprises an incubator, wherein the lower part of the incubator is connected with a water quality regulating box, the outer walls of the incubator are provided with return pipes, the upper ends of the return pipes are connected with the upper part of the incubator, and the lower ends of the return pipes are placed into the water quality regulating box. A pump is arranged in the water quality regulating box, the pump is connected with the incubator by a water pipe which is connected with one end of an egg taking pipe, and the other end of the egg taking pipe is placed outside the water quality regulating box; the top of the incubator is in an open type, and the bottom of the water quality regulating box is provided with a drain pipe. By adopting the device, the present invention can realize the purpose of indoors reproducing copepod population in a large quantity, so that the indoor culture of the copepod population has the advantages of simple method, low cost, high efficiency, etc.

Description

Indoor culture device of copepoda population

Technical field

The present invention relates to aquaculture equipment, particularly a kind of indoor culture device of copepoda population.

Background technology

Current, in aquaculture, seek the suitable bait of prelarva, reducing in the critical period population lethality that begins to ingest is the major issue that various countries' aquaculture is all very paid close attention to.Many in the world research institutions are being devoted to study a large amount of production copepoda, in the hope of reaching commercial purpose.Compare with the halogen worm with the open-mouthed bait wheel animalcule that present mariculture is commonly used, copepoda has higher nutritive value.Copepoda mainly is food with the phytoplankton, also a small amount of ingestion animal bait, stored a large amount of nutriments in the body, and be rich in fatty acid and amino acid, the most attractive is that copepoda contains higher highly unsaturated fatty acid etc., and during with wheel animalcule and artemia culture fish, usually to additionally add highly unsaturated fatty acid.Copepoda is the bait that the different-grain diameter size can be provided as another advantage of bait.Copepoda is from the nauplius to the adult, and the long range of body is big (100-2000 μ m), can satisfy the fish young in each period the demand to the bait particle size.Therefore, cultivating copepoda population can be the aquaculture fish and the open-mouthed bait of novel, high-quality is provided and fattens bait.In addition, in the middle of marine ecology research, a problem that always perplexs China's ocean copepoda research is the copepoda laboratory experiment population that does not have oneself, and experiment made on the living has only by fishing for acquisition, and work progress greatly is subjected to the influence of natural environmental condition and natural population fluctuation.In the dynamic (dynamical) research of open-air copepoda population owing to be difficult to find a consortive group of flora, thereby make its growth of continuous tracking, breeding obtains the important biomolecule mathematic(al) parameter and becomes very difficult, and realizes that indoor copepoda population cultivation can provide necessity that experiment material is arranged for the intergenerational continuous research and development of copepoda.And in the copepoda indoor cultivation, the problem of crux is exactly to set up the indoor culture device that is suitable for copepoda population growth, breeding the most.Therefore, this area presses for a kind of device of copepoda population indoor cultivation, in the hope of obtaining higher economic worth, and provides necessary work support for China's copepoda population scientific research development.

Summary of the invention

The purpose of this invention is to provide a kind of indoor culture device of copepoda population, adopt this device can realize copepoda population, make that copepoda population indoor cultivation method is simple, cost is low, efficient is high in indoor prolific purpose.

The present invention is achieved through the following technical solutions for achieving the above object: indoor culture device of copepoda population, comprise incubator, the incubator bottom is connected with the water quality adjustment case, the incubator outer wall is installed return duct, the upper end of return duct is connected with incubator top, the lower end of return duct is inserted in the water quality adjustment case, pump is installed in the water quality adjustment case, pump is connected with incubator by water pipe, water pipe is connected with egg-taking tube one end, the egg-taking tube other end is placed on the water quality adjusting box outside, and the incubator top is an open type, and water quality adjustment case bottom fixes a drainpipe.

The further scheme of the present invention is: flowmeter and valve are installed on water pipe.The end that egg-taking tube is connected with water pipe is installed check valve.

The further again scheme of the present invention is: incubator is a cylinder, and the cylinder bottom is a cone, and O type circle is installed at the cone place of incubator, and first screen pack is installed on the O type circle.

The present invention also can have other scheme: 6 return ducts of the uniform installation of incubator outer wall, and second screen pack is installed in the porch that return duct is entered incubator, and perhaps return duct enters an end mounting sleeve of incubator, and screen pack is installed on sleeve pipe.

The aperture of first screen pack of the present invention and second screen pack is 220-500 μ m.40-60mm place installation O type circle 15 makes progress in the junction of the bullet of incubator 1 bottom and water pipe 7.

Contribution of the present invention is: the indoor cultivation of copepoda population is become a reality, for the copepoda population indoor cultivation provides a kind of easy to operate, reliable safe device, it can be widely used in mariculture enterprise and cultivate copepoda bait, and provides experimental provision for R﹠D institution's research copepoda population.The present invention also has the reproductive survival rate height of low cost of manufacture, copepoda population, make medium-sized copepoda density can reach 15-20ind/l, large-scale copepoda can reach 10-15ind/l, and can realize separating of copepoda ovum and adult, can upgrade in time to cultivate and use seawater, do not need other water treatment measure, advantages such as all parts all can keep in repair at any time, replacing.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention; Accompanying drawing 2 is right TV structure schematic diagrames of accompanying drawing 1; Accompanying drawing 3 be in the accompanying drawing 1 A to structural representation.

Embodiment

The contrast drawings and Examples, the present invention will be further described:

1 is incubator among the figure, incubator 1 bottom is connected with water quality adjustment case 11, incubator 1 outer wall is installed return duct 2, the upper end of return duct 2 is connected with incubator 1, and the lower end of return duct 2 is inserted in the water quality adjustment case 11, and return duct 2 can be installed 4,6,8 etc. again, preferred 6, the uniform installation of symmetry can make every root canal orifice place strength of vortex reduce greatly, can avoid unimodal current occurring at incubator 1 top simultaneously.Pump 9 is installed in the water quality adjustment case 11, and this pump 9 can adopt immersible pump etc.Pump 9 is connected with incubator 1 by water pipe 7, water pipe 7 is connected with egg-taking tube 12 1 ends, and egg-taking tube 12 other ends are placed on water quality adjusting box 11 outsides, and egg-taking tube 12 is used to collect the copepoda ovum, also can discharge the suspension of sedimentations such as copepoda ight soil and the residual body of algae, so that keep incubator 1 cleaning.Incubator 1 top is an open type, the also middle open type in the top of water quality adjustment case 11.Water quality adjustment case 11 bottoms fix a drainpipe 6.Flowmeter 3 and valve 8 are installed on the water pipe 7.The end that egg-taking tube 12 is connected with water pipe 7 is installed check valve 10.Also anti-counter flow film can be installed, in case aqueous reflux.Incubator 1 is a cylinder, and the cylinder bottom is a cone, the about 210mm of cone height, and the awl bottom of cone is connected with water pipe 7.O type circle 15 is installed at the cone place, and its mounting means can be: offer groove on the inwall of cone, O type circle 15 is installed in groove, first screen pack 13 is installed on the O type circle 15.The bullet bottom that O type circle 15 is installed in incubator 1 and the junction of the water pipe 7 40-60mm place that makes progress, for example: can be 40mm, 50mm or 60mm etc., preferred 50mm.Second screen pack 14 is installed in the porch that enters incubator 1 at return duct 2.In order to further facilitate the cleaning and filtering net, can enter an end mounting sleeve of incubator 1 at return duct 2, screen pack 14 is installed on the sleeve pipe.The aperture of first screen pack 13 and second screen pack 14 is that 220-500 μ m all can.For example: the aperture of screen pack can be 220 μ m, 350 μ m, 450 μ m or 500 μ m etc., can be regulated according to the individual size of the copepoda of cultivating.Water quality adjustment case 11 of the present invention can be installed on the support 4, so that make whole device more stable.

The present invention adopts the method for this device cultivation copepoda population as follows: get seawater according to the volume of incubator and insert in the incubator, add about 500 of copepoda Calanus sinicus adults then, about 4: 1 of male female ratio, as in incubator 1, adding 300 of the Chinese angle of large-scale copepoda water flea adults, about 2: 1 of then male female ratio, open valve 16 then, make the fresh seawater of precooling enter water quality adjustment case 11 by water inlet pipe 5, adopt air pump that the seawater in the water quality adjustment case 11 is carried out oxygenation simultaneously, place gas stone or aeration tube in the water quality adjustment case 11.Valve-off 16 after the water in the water quality adjustment case 11 is full of, open pump 9 again, the seawater of oxygen enrichment is squeezed in the incubator 1 by water pipe 7 through pump 9, and in water tank, produce current, the current size of flowmeter 3 controls can be 13-20ml/s, preferred 16.2ml/s and 19.4ml/s.When the water in the incubator 1 reaches the top, be back in the water quality adjustment case 11 through 6 return ducts 2, make seawater and incubator 1 interior seawater in the water quality adjustment case 11 form circulation.This circulation need continue about 10-12 hour, that is: pump 9 and inflator pump need leave about 10-12 hour, closed then, static about 10-12 hour.Population cultivation for copepoda Calanus sinicus adult needs pump 9 and inflator pump work about 12 hours, static then about 12 hours, population for the Chinese angle of large-scale copepoda water flea adult is cultivated, and pump 9 and inflator pump need work about 10 hours, static about 10 hours.After pump 9 and inflator pump quit work, open drainpipe valve 17, the water in the water quality adjustment case 11 are emitted, and then charge into the fresh seawater of precooling, enter next circulation.Immersible pump of the present invention and inflator pump be in working order the time, be preferably in unglazed according under the state, can be under the illumination state when static.

Screen pack of the present invention also can claim bolting silk, the effect that it is installed on the O type circle is: separate copepoda adult and ovum, prevent adult killing and devouring to ovum, simultaneously can stop adult to enter in the bottom water quality adjustment case 11, can also separate the ight soil and the residual body of bait that are deposited on the bottom, it is to prevent that adult from entering in the water quality adjustment case 11 that screen pack is installed in the effect that return duct 2 enters the porch of incubator 1.

Return duct of the present invention 2 is preferably as follows through overtesting: diameter is 70mm, around 6 symmetric arrays of incubator 1 outer wall, can reduce population death.

Claims (1)

1, indoor culture device of copepoda population, it is characterized in that: comprise incubator (1), incubator (1) bottom is connected with water quality adjustment case (11), incubator (1) outer wall is installed return duct (2), the upper end of return duct (2) is connected with incubator (1) top, the lower end of return duct (2) is inserted in the water quality adjustment case (11), pump (9) is installed in the water quality adjustment case (11), pump (9) is connected with incubator (1) by water pipe (7), incubator (1) top is an open type, water quality adjustment case (11) bottom fix a drainpipe (6); Water pipe (7) is connected with egg-taking tube (12) one ends, and egg-taking tube (12) other end is placed on water quality adjusting box (11) outside; The end that egg-taking tube (12) is connected with water pipe (7) is installed check valve (10); Incubator (1) is a cylinder, and the cylinder bottom is a cone; O type circle (15) is installed at the cone place of incubator (1), and O type circle (15) is gone up first screen pack (13) is installed; Incubator (1) outer wall 6 return ducts of uniform installation (2); Return duct (2) enters the porch of incubator (1) second screen pack (14) is installed; Return duct (2) enters an end mounting sleeve of incubator (1), and screen pack (14) is installed on the sleeve pipe; The aperture of first screen pack (13) and second screen pack (14) is 220-500 μ m; 40-60mm place installation O type circle (15) makes progress in the junction of the bullet of incubator (1) bottom and water pipe (7).

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