A kind of smooth lip fish parent fish pond
Technical field
The present invention relates to a kind of parent fish pond, and in particular to a kind of smooth lip fish parent fish pond, belongs to fish culture technical field.
Background technology
Light lip fish is a kind of rare small-sized economic fish, is distributed in south China mountain area, lives in the limpid mountain stream of water quality
In streams, the solid raw algae on food gravel is scraped, relying on constant current and stimulating makes sexual gland ripe, in the shallow stream of water after flood
Spawning and fertilization on the anxious, shoal of grit substrate, under stone or the shelter such as cave is hidden enemy and survived the winter, 2 reaching property of age in winter
Maturation, 4~5 years natural life-spans, can 2~3 years breeding cycles, raun average weight 85/g of fish brood amount, in light lip shoal of fish body about
20% parent population breeds in May, and about 80% parent population breeds in July.Light lip fish is unable to natural propagation under the conditions of propagating artificially,
Because individual small, fish brood amount is few, constitution is tender and lovely, artificial propagation difficulty is larger, limits the development propagated artificially.
Chinese patent CN102090361A discloses the artificial breeding method of light lip fish, and the cultivation of light lip fish parent fish is commonly being flowed
In water fish pond, first promote property with the higher pellet of gross protein value, then it is higher and add and have vitamin E with crude protein content
Pellet is strengthened, and is not less than in water temperature at 22 DEG C, was changed the miniflow water of water once with 12 hours and is hastened parturition and laid eggs with sand table promotion, production
Ovum rate reaches 70~85%, and sand table is taken out after laying eggs 1~1.5 hour and incubates fertilization ovum collecting ovum into hatching frame in egg-collecting tank
Change.This method needs manually adding vitamin E and artificial collection ovum in pellet for a long time, cumbersome.Chinese patent
CN103098737A discloses a kind of induced spawning method of smooth lip fish, makes parent population sexual gland ripe by 2 injection oxytocic hormones,
Embryonated egg is obtained using artificial insemination, spawning rate reaches more than 80%.This method is cumbersome, postpartum parent population survival rate pole
It is low.Wu Yian etc. has carried out raising and train and artificial propagation test for light lip fish, makes parent population sexual gland ripe by 2 injection oxytocic hormones
Natural spawning, spawning rate is up to more than 65%, fertilization rate reached more than 65%.This method is cumbersome, and the postpartum parent population death rate surpasses
Cross 50%.
The content of the invention
The technical problem to be solved in the present invention is to make light lip fish gonadal maturation, natural birth in environment is propagated artificially
Ovum is fertilized, and is realized using following technical scheme:
A kind of smooth lip fish parent fish pond, including fishpond, water intaking valve and sparge pipe are set in described fishpond one end;In the fishpond
Set to set on sparge pipe one end and both sides inwall and spawning platform, platform of ingesting are set in projection seat, projection seat;The platform of ingesting is less than described
Spawning platform, sets connecting plate, preferred vertical connection between the spawning platform and platform of ingesting.It is formed below hidden in the fishpond
Area;The passage for being set between platform and the other end in fishpond and leading to fallback area of ingesting;Set on the spawning platform one group it is parallel
Blend stop;Gravel is equipped between blend stop.Current produce turbulent wave when passing through blend stop and gravel, turbulent wave, gravel can be pierced
Swash and induction light lip fish heat natural spawning fertilization.Described spawning platform, platform of ingesting, connecting plate energy fast erecting and removal.Water
Stream flows out along spawning platform, platform of ingesting, passage, fallback area, fish screen, sump, drainpipe.It is dim light ring in described fallback area
Water velocity is slowed down gradually in border, fallback area, and the safe space for surviving the winter and hiding enemy is provided for light lip fish.
Further, the fishpond is setting sparge pipe one end bottom to be provided with sump, makes the water in whole fishpond
In flow regime, without dead angle;Fish screen is set in sump.Sump can effectively collect fish excrement and residual bait, and fish screen makes
Current are unobstructed and the shoal of fish can not escape.
Further, the external drainpipe of the sump and bottom valve, the mouth of pipe height of the drainpipe is on spawning platform slope
Between highest point and lowest part;In this way, being more prone to control on the spawning suitable depth of water of platform and flow velocity is maintained.Bottom valve is set
Put and be conducive to clearing up fishpond in the draining bottom of the tube and clear up the pollutant in drainage pipeline.
Further, it is more preferable collection embryonated egg, the spawning platform lower edge is beyond connecting plate, and setting on platform is inclined ingesting
Tilted supporter, tilt stand lowest side is located at below spawning platform, and egg-collecting box is set on tilt stand.A kind of more preferred egg-collecting box
It is that the egg-collecting box is made of 20~40 mesh sieve thin,tough silk, long 50~60cm, high 20~30cm, width are equal with spawning platform width, open
Mouth is placed on tilt stand upwards.
Specific preferred one kind, 60~100cm of the spawning director, spawning platform Parallel to the flow direction is tilted down, slope angle 5
~15 °;15~the 30cm of channel width ingested between platform and fishpond inwall.Fishpond is rectangle, 1~3 ° of fishpond bottom slope angle.
Spawning platform lowest part 5~15cm lower than the water surface.Described platform of ingesting is located in the middle part of fishpond, 30~50cm lower than the water surface.It is described to incline
Tilted supporter is met water (flow) direction and tilted down, 10~13 ° of slope angle.
A kind of smooth lip fish artificial fecundation method, comprises the following steps:
1) parent population is put in a suitable place to breed:In the one end in fishpond, water intaking valve and sparge pipe are set;In fishpond, sparge pipe one end and both sides are set
Inwall on set in projection seat, projection seat set spawning platform, platform of ingesting;The platform of ingesting is less than spawning platform;Ingest platform and the production
Vertical connecting plate is set between ovum platform in fishpond fallback area formed below;The other end in ingest platform and the fishpond sets logical
To the passage of fallback area;One group of parallel blend stop is set on the spawning platform;Gravel is laid between blend stop;Put in the fishpond
Support the Wei/㎡ of 2 age in winter body weight 25g above specification parent population 30~40, female-male proportion 1:1~1.2;
2) parent fish rearing:Water temperature in winter drops to less than 12 DEG C stoppings and fed, flow velocity above regulating water inlet valve control spawning platform
The corresponding flow velocity in fallback area below 0.03~0.05m/s, platform of ingesting is 0.008~0.01m/s, and light lip fish is got over safely in fallback area
Winter;Spring water temperature reaches stream above 0.3~0.4m/s of flow velocity above more than 12 DEG C, regulating water inlet valve control spawning platform, platform of ingesting
Speed is 0.06~0.1m/s, starts to feed the pellet of protein content 36~38%;Every 7~10 days, by spawning platform
Square flow velocity brings up to 0.6~0.8m/s, recovers original flow velocity after maintaining 24 hours, and alternately the current of change, which are stimulated, can promote light lip
Piscinity gland is reached maturity naturally;
3) induced spawning:Water temperature stably reaches more than 18 DEG C for continuous 5 days, and regulating water inlet valve improves spawning platform top flow velocity
Maintained 36~72 hours to 0.6~0.8m/s, 0.4~0.5m/s induced spawnings, 7 days are progressively dropped in 24 hours after
First interior ripe parent population natural spawning fertilization in turbulent wave above gravel;Water temperature stably reach within continuous 5 days 20 DEG C with
On, regulating water inlet valve brings up to spawning platform top flow velocity in 0.6~0.8m/s maintenances 24~48 hours, 24 hours after
Progressively drop to 0.4~0.5m/s induced spawnings, the ripe parent population of second batch natural birth in turbulent wave above gravel in 7 days
Ovum is fertilized;Lasting turbulent water can stimulate a large amount of sex hormone of light lip fish body endocrine, the turbulent wave and gravel gradually slowed down
Light lip fish heat spawning row's essence can be induced;
4) ovum is received automatically:During induced spawning, egg-collecting box is placed on tilt stand, current of the egg-collecting box filtering with ovum grain
Realize automatic collection embryonated egg;When embryonated egg is paved with egg-collecting box bottom half, egg-collecting box is taken out and moves on to hatchery hatching, simultaneously
Empty egg-collecting box is placed on tilt stand.
5) Lotic hatching:The egg-collecting box that will be equipped with embryonated egg is placed in hatchery, uses micro- Lotic hatching;The hatchery depth of water 40
~50cm, flow velocity 0.01~0.02m/s, more than dissolved oxygen 6mg/L, 20~26 DEG C of water temperature, 150~350LUX of intensity of illumination, water inlet
With 80~120 mesh silk cover filterings.
Provided with spawning platform, platform of ingesting, connecting plate in the fishpond of the present invention, in fishpond fallback area formed below, light can be met
Environmental requirement needed for lip fish growth and breeding;Continue and the current stimulation of change can promote parent population gonadal maturation, turbulent ripple
Wave and gravel can induce light lip fish heat natural spawning fertilization, and egg-collecting box, which is placed on tilt stand, realizes automatic collection embryonated egg,
Hatch under miniflow water and low light environment.The present invention is compared with the prior art, without using oxytocic drug, easy to operate, parent population by
External interference is small, and spawning rate reaches 78~91%, and fertilization rate reached to 85~93%, incubation rate reaches 75~79%, postpartum parent population
Survival rate is to 100%, and parent population can continuously lay eggs 2~3 years.
Brief description of the drawings
Fig. 1 is top view of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is Fig. 1 B-B sectional views.
Fig. 4 is Fig. 1 C-C sectional views.
Fig. 5 is spawning platform structural representation.
In accompanying drawing:1st, fishpond, 2, passage, 3, platform of ingesting, 4, the water surface, 5, fallback area, 6, connecting plate, 7, turbulent wave, 8,
Gravel, 9, blend stop, 10, spawning platform, 11, sparge pipe, 12, water intaking valve, 13, drainpipe, 14, bottom valve, 15, fish screen, 16, dirt collection
Pond, 17, projection seat, 18, tilt stand, 19, egg-collecting box.
Embodiment
The present invention is described in further detail with reference to embodiment.
A kind of smooth lip fish parent fish pond of embodiment 1
A kind of smooth lip fish parent fish pond is as shown in Fig. 1~5:Including fishpond 1, the He of water intaking valve 12 is set in described one end of fishpond 1
Sparge pipe 11;Set to set on sparge pipe one end and both sides inwall in the fishpond 1 and spawning platform is set up in projection seat 17, projection seat 17
10th, ingest platform 3;The platform 3 of ingesting is less than spawning platform 10;Described ingest sets vertical connecting plate between platform 3 and spawning platform 10
6;Platform 3 and the other end setting passage 2 in fishpond 1 of ingesting;One group of parallel blend stop 9 is set on the spawning platform 10.It is described
Gravel 8 is laid between blend stop 9.The fishpond 1 sets in one end lower bottom part of sparge pipe 11 and set in sump 16, sump 16
Fish screen 15.The external drainpipe 13 of sump 16 and bottom valve 14, the mouth of pipe height of the drainpipe 13 are oblique in spawning platform 10
Between slope highest point and lowest part;Bottom valve 14 is arranged on the bottom of drainpipe 13.Spawning platform 10 lower edge exceeds connecting plate
6, tilt stand 18 is set on platform 3 of ingesting, and the lowest side of tilt stand 18, which is located on the lower section of spawning platform 10, tilt stand 18, sets collection
Ovum case 19.
A kind of specific smooth lip fish parent fish pond:Described fishpond 1 long 600cm, wide 100cm, high 120~140cm, water
Deep 80~100cm;Sparge pipe 11 is connected to water intaking valve 12, and sparge pipe 11, the diameter 7.5cm of water intaking valve 12, sparge pipe 11 are laterally put
Put, multiple diameter 0.5cm hole for water sprayings are arranged at bottom;The bottom of fishpond 1 tilts 2 °, the long 50cm of sump, width 50cm, depth to sump 15
20cm;The external drainpipe 13 of sump 16, bottom valve 14, drainpipe 13, the diameter 11cm of bottom valve 14.Described spawning platform 10 is located at fish
The setting sparge pipe one end in pond 1, long 80cm, the spawning Parallel to the flow direction of platform 10 is tilted down, 5 ° of slope angle, and lowest part is than the water surface 4
Low 7cm, the spawning lower edge of platform 10 exceeds 5cm than connecting plate 6, and spawning platform 10, which is provided between 4 parallel blend stops 9, blend stop 9, spreads straight
Footpath 0.5-1.5cm gravel 8.Described platform 3 of ingesting is located at the middle part of fishpond 1, than the low 50cm of the water surface 4, and one end of platform 3 of ingesting passes through even
Fishplate bar 6 is connected with spawning platform 10 bottom, the width of passage 2 20cm ingested between the other end of platform 3 and fishpond 1.Described fishpond 1 is set
Sparge pipe one end and both sides inwall set projection seat 17, and described spawning platform 10, platform 3 of ingesting are erected in projection seat 17, can quick frame
And if removing;Described spawning platform 10, platform 3 of ingesting, connecting plate 6 are in the fallback area formed below 5 in fishpond 1, and current are along spawning
Platform 10, platform 3 of ingesting, passage 2, fallback area 5, fish screen 15, sump 16, drainpipe 13 flow out.Described tilt stand 18 is grown
99cm, wide 50cm, high 10~25cm, meet water (flow) direction and tilt down, 11 ° of slope angle.
A kind of smooth lip fish artificial fecundation method of embodiment 2
A kind of smooth lip fish artificial fecundation method, puts in a suitable place to breed comprising parent population, parent fish rearing, induced spawning, ovum, flowing water are received automatically incubates
Change.
1) parent population is put in a suitable place to breed:Put the parent population 240 of 2 age in winter body weight 50g specifications in a suitable place to breed in the light lip fish parent fish pond described in embodiment 1
Tail, female-male proportion 1:1.
2) parent fish rearing:Water temperature in winter drops to less than 12 DEG C stoppings and fed, the top of the control spawning of regulating water inlet valve 12 platform 10
0.03~0.05m/s of flow velocity, the corresponding flow velocity in fallback area 5 is 0.008~0.01m/s, and light lip fish is in the safe overwintering of fallback area 5;Spring
Ji Shuiwen reaches more than 12 DEG C, the control spawning top 0.3~0.4m/s of flow velocity of platform 10 of regulating water inlet valve 12, the top of platform 3 stream of ingesting
Speed is 0.06~0.1m/s, starts to feed the pellet of protein content 36~38%;Every 7~10 days, by platform 10 of laying eggs
Top flow velocity brings up to 0.6~0.8m/s, and original flow velocity is recovered after maintaining 24 hours, and parent population is stimulated with the current for continuing and changing
Gonadal maturation.
3) induced spawning:Water temperature stably reaches more than 18 DEG C for continuous 5 days, and regulating water inlet valve 12 will the spawning top flow velocity of platform 10
Bring up to 0.6~0.8m/s to maintain 48 hours, 0.4~0.5m/s induced spawnings, the 3rd are progressively dropped in 24 hours after
At its night, first ripe parent population, which is traced back, swims over to natural spawning fertilization in the turbulent wave 7 in the top of gravel 8;Continuous 5 days stabilizations of water temperature
More than 20 DEG C are reached, the spawning top flow velocity of platform 10 is brought up to 0.6~0.8m/s maintenances 24 hours by regulating water inlet valve 12, after
24 hours in progressively drop to 0.4~0.5m/s induced spawnings, at the 5th day night, the ripe parent population of second batch, which is traced back, swims over to gravel 8
Natural spawning fertilization in the turbulent flow wave 7 of top.
4) ovum is received automatically:During induced spawning, egg-collecting box 19 is placed on tilt stand 18, the filtering of egg-collecting box 19 is with ovum grain
Current realize and automatic collect embryonated egg.Described egg-collecting box 19 is made of 20 mesh sieve thin,tough silk, long 50cm, width 100cm, high 20cm,
Opening upwards are placed on tilt stand 18, and the opening lowest side of egg-collecting box 19 is located at below spawning platform 10, most high side is lower than the water surface 4
8cm.When embryonated egg is paved with 19 bottom half of egg-collecting box, egg-collecting box 19 is taken out and moves on to hatchery hatching, while in tilt stand
Empty egg-collecting box 19 is placed on 18.79563, first embryonated egg, 371286, second batch embryonated egg are collected into, ovum is cherished by body weight
Amount is calculated, and spawning rate is 78~91%.
5) Lotic hatching:The egg-collecting box 19 that will be equipped with embryonated egg is placed in hatchery, uses micro- Lotic hatching;The hatchery depth of water
40~45cm, flow velocity 0.01~0.02m/s, more than dissolved oxygen 6mg/L, 22~24 DEG C of water temperature, hatchery is located at interior, intensity of illumination
150~350LUX, water inlet is with 120 mesh silk cover filterings, and the 5th day after prelarva membrane, membrane after 62 hours starts flat trip.Embryo
Develop and enter calculating of flat trip phase incubation rate after primitive gut intermediate inspection rate of fertilization, fry hatching, be fertilized as 85~93%, incubation rate
For 75~79%.