CN107027702B - Rana nigromaculata seedling selection suitable for paddy field aquaculture - Google Patents
Rana nigromaculata seedling selection suitable for paddy field aquaculture Download PDFInfo
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- CN107027702B CN107027702B CN201710329340.2A CN201710329340A CN107027702B CN 107027702 B CN107027702 B CN 107027702B CN 201710329340 A CN201710329340 A CN 201710329340A CN 107027702 B CN107027702 B CN 107027702B
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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
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
Abstract
The invention discloses the Rana nigromaculata seedling selections for being suitable for paddy field aquaculture, it comprises the steps of: that S1, tadpole seedling are temporarily supported；S2, the feed raising of tadpole seedling；S3, tadpole seedling test breeding；The breeding management of S4, froglet seedling: it froglet seedling is pulled out to be put into breeding pond carries out breeding；S5, it puts in a suitable place to breed: froglet seedling is launched into rice field.The beneficial effects of the present invention are: passing through the breeding to Rana nigromaculata tadpole, froglet seed, it is temporarily supported in storage pond, holding pond, it rejects since the disease of inadequate natural endowment only reaches residual, then the adjustment of pH value is carried out in aquaculture pond, further increase adaptedness of the Rana nigromaculata seed in rice field, survival rate and disease-resistant performance of the Rana nigromaculata in rice field are improved, survival rate of the Rana nigromaculata in rice field is improved, increases the quality of Rana nigromaculata meat.
Description
Technical field
The present invention relates to the Rana nigromaculata seedling selections for being suitable for paddy field aquaculture, belong to ecological agriculture cultural technique neck
Domain.
Background technique
Rana nigromaculata (Rananigromaculata) category Amphibia, Anura, Ranidae, Rana are commonly called as " frog ", " frog ".
Habitat is mainly around farmland, especially paddy field.It is regional to the Plain of south China the northern fringe and hills etc. by East China the northern fringe in China
Common, there are many quantity.Spawning season is the 3-6 month, and the tadpole bodily form is big, and black, tail is thinner, dapple, tail end point.
Rana nigromaculata fine and tender taste, delicious flavour, excellent taste is lean, sugar is low, is rich in protein, carbon hydrate
The nutritional ingredients such as object, calcium, phosphorus, iron, vitamin A, B family vitamin, vitamin C and niacin, creatine, carnosine.Because it " is good at jump
Jump, nutrition is splendid, integration of drinking and medicinal herbs " and it is known as " baby in frog ", it is seen that Rana nigromaculata is first-class green food and nourishing
Good merchantable brand.It is recorded in Ming Dynasty's Li Shizhen (1518-1593 A.D.) Compendium of Material Medica: " southern people eats it, exhales as frog, cloud meat flavour such as chicken ", " the extremely beauty of food ",
Modern medicine study shows that Rana nigromaculata meat is cool in nature, sweet in flavor, have clearing heat and detoxicating, swelling and pain relieving, tonifying kidney and benefiting sperm, nourishing the lung and the kidney it
Effect.Propagating Rana nigromaculata artificially has good market prospects and commercial value.
Batrachia is the natural enemy of pest in rice field, and pest is the natural bait of batrachia, forms the benign of natural food chain and follows
Ring.It not only can protect ecological environment in paddy field aquaculture Rana nigromaculata, gratifying economic benefit can also be obtained, development prospect is wide
It is wealthy.It is a kind of agricultural synthesis production model that better results that Rana nigromaculata is raised in rice field, at the same can also in due course ground structure fish,
Poultry etc..However as the rapid development of expanding economy, especially industrial or agricultural, water body, gaseous contamination caused by trade effluent
It has been got worse that, the living environment of Rana nigromaculata is seriously destroyed.And Rana nigromaculata relies on water environment and survives, and has land and water
Amphibious life cycle, so the quality of living environment will generate tremendous influence to the growth and development in Rana nigromaculata each stage,
Directly affect its growth, reproduction, development, endocrine adjusting and blood circulation etc..The Rana nigromaculata cultivated in rice field is different from
The Rana nigromaculata raised in batches in farm, rice field feeding environment propose higher want to disease resistance, the survival ability of Rana nigromaculata
It asks.And Rana nigromaculata seedling breeding is a wherein highly important link.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide the Rana nigromaculata seedling breedings for being suitable for paddy field aquaculture
Method improves the survival rate and disease-resistant performance of the Rana nigromaculata in rice field, increases the meat quality of rice field Rana nigromaculata.
The purpose of the present invention is achieved through the following technical solutions: the Rana nigromaculata seedling breeding suitable for paddy field aquaculture
Method, it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 1-2 days in storage pond, holding pond until tadpole seed
Trip can be put down, Rana nigromaculata tadpole seedling is put in a suitable place to breed according to every square metre of water surface 800-1200 tail, wherein dead seedling is pulled out in time, in storage pond, holding pond
The dissolved oxygen amount of water is 3-5mg/L；
S2, the feed of tadpole seedling are raised: the tadpole seedling after temporarily supporting, which is pulled out to be put into aquaculture pond, carries out dispersion feed feeding
It supports 2-7 days, is carried out according to every square metre of water surface 600-800 tail, when tadpole seedling length to soya bean size, raised using buoyancy powdery
Expect feeding, feeding total amount is the 1-1.5% of tadpole weight, pulls wherein dead seedling out in time, and the dissolved oxygen amount of water is not less than 5mg/L；
Wherein, storage pond, holding pond, aquaculture pond and breeding pond should be advisable with elongated cement pit or Tu Chi, generally preferably be selected both moist
The warm place for keeping away sun again, pond is 1 meter deeply general, is equipped with water irrigating hole and drains road, and 20-50 centimetres of the depth of water.Pond face must be provided with hiding
Shady plate.Rana nigromaculata aquaculture pond uses Tu Chi, Zhuan Chi, rice field, and key is anti-escape.The person of having ready conditions can lay bricks enclosure wall, also may be used
Net encloses, general 1-1.2 meters high.30-60 centimetres of the depth of water in pond puts into a small amount of floatability algae in water.Wherein, breeding Chi Yingzeng
Add slope, rests for froglet.
S3, tadpole seedling test breeding: the water of 2/3-3/4 makes pH 6-6.5 in pond in replacement aquaculture pond, can pass through
Tap water will first sudden and violent gas, being either exposed to the sun dechlorination or is added sodium dihydrogen phosphate and raises 5-7 days to improve the pH in water, later
The water of 2/3-3/4 makes pH 7-8 in pond in replacement aquaculture pond, can raise 5-7 by the way that quantitative sodium bicarbonate is added in water
It, morning and carries out feeding with pellet at night, and the feeding amount in evening is morning twice of feeding amount, and feeding total amount is tadpole
The 2-3% of weight, wherein when tadpole seedling forelimb is grown, water temperature is controlled at 20-30 DEG C, the peace and quiet of environment is kept, in tadpole
Forelimb is stretched out, when period of metamorphosis is near completion, stops feeding, pulls wherein dead seedling out in time, obtain froglet seedling,；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling is fed
15-20 days, the water temperature in breeding pond was controlled at 20-30 DEG C, and the breeding pond is by bottom pond, the platform I being arranged in around the pond of bottom
With the platform II being arranged on platform I, feeding point is provided on platform II, feeding point is provided with mosquito luring lamp, and the height of platform I is
15-20cm, platform II is 5-10cm higher than platform I, and the water of Di Chizhong does not spill over bottom pond, and feeding point launches living body bait, one day
It eats and launches primary, holding feeding point cleaning on platform；
S5, put in a suitable place to breed: when froglet seedling individual grows to 8-12g, by froglet seedling launch into rice field, according to 10-14 only/
Square metre standard launch.Wherein rice field selects: avoiding high mountain folder punching selection, has abundant water resources, irrigation and drainage are convenient, good water-retaining property, ridge
Solid rice field, size are best with 3 mu.In rice field, surrounding plastic window screening, bamboo raft, asbestos shingle brick etc. are set
Set high 1 meter, in depth lower 10 centimetres of anti-escape wall.It is covered into discharge outlet gauze, to prevent the U.S. frog and tadpole from escaping, meanwhile, it can
To dig 60 centimetres deep, wide 1 meter of protection ditch, to provide a sanctuary and feed in temporary water shortage for the frog in rice field surrounding
Feed place.The wherein dispensing of froglet seedling or so half a month generally after rice transplanting.Rice field is launched due to froglet and adapts to environment quickly,
At this moment it needs to feed a small amount of food, such as small fish and shrimp and the pig lung being cut into small pieces, ox lung, mixed feed, timing, quantitative, positioning are spread
On the water surface of protection ditch.It also can be used bamboo product to spread one piece of window screening to be placed on the water surface as bait table, feed throwing be sprinkling upon bait
On platform.Also mountable black light lamp lures worm to feed toadfish.The depth of water is maintained at 5-15 centimetres.Adhere to whether inspection fence is tight sooner or later daily
It is close, to prevent the frog, fish from escaping and enemy entrance.Rice field uses sufficient base manure, careful pesticide grown or no pesticide grown before planting, because the frog launches rice
Tian Hou, a large amount of episites of energy, the activity of the frog can improve paddy growth environment energetically, and rice pest is less, is generally not required to apply
Use pesticide.After rice harves, the rice field frog can become the commodity frog and list.
Buoyancy mash feed in the step S2 by yeast powder, wheat flour, bean cake powder according to 1-2:1:2-5 weight
Than being uniformly mixed.
The granular size of pellet is 0.5-1.0mm in the step S3, and the pellet is by earthworm powder, fish
Powder, bean cake powder are formed according to the uniform mixing granulation of weight ratio of 0.5-0.65:1.2-1.5:5-10.
Water in the bottom pond 1 is 2-5cm lower than platform I2.
The living body bait is yellow meal worm, earthworm or fly maggot, and the length that living body bait is is 0.5-1cm, and living body lures
Bait protein rich in and amino acid, nutrition is comprehensive, and living body bait is more easier to be ingested by Rana nigromaculata.
The width of the platform I2 is 50-65cm, and the width of platform II3 is 25-30cm.
It by the breeding to Rana nigromaculata tadpole, froglet seed, is temporarily supported, is rejected due to inadequate natural endowment in storage pond, holding pond
Disease only reaches residual, and the adjustment of pH value is then carried out in aquaculture pond, further increases adaptation journey of the Rana nigromaculata seed in rice field
Degree, improves survival rate and disease-resistant performance of the Rana nigromaculata in rice field and carries out constant temperature during the metamorphosis of tadpole especially significantly
Control improves Rana nigromaculata in the survival rate of period of metamorphosis, and share the meal raising in conjunction with different phase, improves Rana nigromaculata in rice field
Survival rate, step is in addition provided in aquaculture pond, the layup of Rana nigromaculata froglet is further increased, further eliminates
The sick frog and the residual frog of spring scarce capacity in froglet, in practical rice field breeding process, the pest on rice is often in rice strain
Middle part or top, need Rana nigromaculata that there is certain layup, such Rana nigromaculata could normally prey in rice
Pest, and further increase the quality of Rana nigromaculata meat.
As a further improvement of the present invention, rice field carries out irrigation facility construction: specifically heightening and consolidation ridge, in rice
The surrounding in field excavates circular groove, furrow width 150cm, and the area of deep 150cm, ditch account for 8% of rice field area or so, on the side of rice field, opens
Digging a diameter is 3m circle little Chi, to place food platform and black light lamp, sunshade net.In rice field, anti-escape network is built in surrounding drawing, when networking, choosing
With the common window screening of high lm, laid on the outside of ridge surrounding.At interval of l.5m window screening is fixed with fine bamboo rod, people's soil is buried in window screening lower part
15cm.In addition, to install fish screen at the intake-outlet in rice field, prevent the frog from fleeing from there.
Rice field is that batrachia and the natural of fish inhabit shading place, and aquatic organism is abundant, is suitable for batrachia, fish growth, in rice
Field can carry out the rice frog, fish stereo ecological breeding on the basis of supporting the frog, seldom account for farmland, and few water consumption is conducive to rice and controls worm,
Pesticide is saved, while frog excrement, fish excrement are the high-quality organic fertilizer in rice field again.And the product produced or consumer are favorite
Pollution-free food.Rice, the frog, fish stereo ecological breeding, small investment, profit are high.
The beneficial effects of the present invention are:
(1), by the breeding to Rana nigromaculata tadpole, froglet seed, temporarily supported in storage pond, holding pond, reject due to it is congenital not
The disease of foot only reaches residual, and the adjustment of pH value is then carried out in aquaculture pond, further increases Rana nigromaculata seed in rice field
Adaptedness improves survival rate and disease-resistant performance of the Rana nigromaculata in rice field,
(2), thermostatic control has been carried out between Larvae During Metamorphosis, improves Rana nigromaculata in the survival rate of period of metamorphosis, and combine not
Raising is shared the meal with the stage, improves survival rate of the Rana nigromaculata in rice field,
(3), it is provided with step in aquaculture pond, further increases the layup of Rana nigromaculata froglet, eliminates froglet
The sick frog and the residual frog of middle spring scarce capacity, increase the quality of Rana nigromaculata meat.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of aquaculture pond of the present invention；
Fig. 2 is the top view of aquaculture pond of the present invention.
In figure, the bottom 1- pond, 2- platform I, 3- platform II.
Specific embodiment
Technical solution of the present invention, but protection scope of the present invention are described in further detail below with reference to embodiment and attached drawing
It is not limited to as described below.
Embodiment 1
Suitable for the Rana nigromaculata seedling selection of paddy field aquaculture, it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 1 day in storage pond, holding pond until tadpole seed is equal
It flat can swim, Rana nigromaculata tadpole seedling is put in a suitable place to breed according to every square metre of 1000 tail of the water surface, pulls wherein dead seedling out in time, water in storage pond, holding pond
Dissolved oxygen amount is 4mg/L；
S2, the feed of tadpole seedling are raised: the tadpole seedling after temporarily supporting, which is pulled out to be put into aquaculture pond, carries out dispersion feed feeding
It supports 5 days, is carried out according to every square metre of 700 tail of the water surface, when tadpole seedling length to soya bean size, thrown using buoyancy mash feed
Food, feeding total amount are the 1% of tadpole weight, pull wherein dead seedling out in time, and the dissolved oxygen amount of water is 6mg/L；
S3, tadpole seedling test breeding: 2/3 water makes 6 pH in pond in replacement aquaculture pond, raises 5 days, replaces later
2/3 water makes 7 pH in pond in aquaculture pond, raises 6 days, and morning and evening carry out feeding, the feeding in evening with pellet
Amount is morning twice of feeding amount, and feeding total amount is the 2% of tadpole weight, wherein when tadpole seedling forelimb is grown, water temperature control
System keeps the peace and quiet of environment at 30 DEG C, stretches out forelimb in tadpole, when period of metamorphosis is near completion, stops feeding, pull out in time wherein
Dead seedling obtains froglet seedling；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling is fed
20 days, the water temperature in breeding pond was controlled at 30 DEG C, and as shown in Figure 1 and Figure 2, the breeding pond is by bottom pond 1, setting bottom pond 1 week
It is provided with feeding point on the platform I2 enclosed the and platform II3 being arranged on platform I2, platform II3, feeding point is provided with mosquito luring lamp,
Water in bottom pond 1 does not spill over bottom pond 1, and feeding point launches living body bait, launches once within one day on food platform, keeps feeding point clear
It is clean；
S5, it puts in a suitable place to breed: when froglet seedling individual grows to 8g, froglet seedling being launched into rice field, according to 14/square metre
Standard launch.
Embodiment 2
Suitable for the Rana nigromaculata seedling selection of paddy field aquaculture, it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 2 days in storage pond, holding pond until tadpole seed is equal
It flat can swim, Rana nigromaculata tadpole seedling is put in a suitable place to breed according to every square metre of 800 tail of the water surface, pulls wherein dead seedling out in time, water in storage pond, holding pond
Dissolved oxygen amount is 5mg/L；
S2, the feed of tadpole seedling are raised: the tadpole seedling after temporarily supporting, which is pulled out to be put into aquaculture pond, carries out dispersion feed feeding
It supports 2 days, is carried out according to every square metre of 600 tail of the water surface, when tadpole seedling length to soya bean size, thrown using buoyancy mash feed
Food, feeding total amount are the 1.5% of tadpole weight, pull wherein dead seedling out in time, and the dissolved oxygen amount of water is 5.5mg/L；
S3, tadpole seedling test breeding: 3/4 water makes 6.2 pH in pond in replacement aquaculture pond, raises 6 days, Zhi Hougeng
Changing in aquaculture pond 2/3 water makes 7.5 pH in pond, raises 5 days, and morning and evening carry out feeding with pellet, evening
Feeding amount is morning twice of feeding amount, and feeding total amount is the 3% of tadpole weight, wherein when tadpole seedling forelimb is grown, water
Temperature control system keeps the peace and quiet of environment at 28 DEG C, stretches out forelimb in tadpole, when period of metamorphosis is near completion, stops feeding, pull out in time
Wherein dead seedling obtains froglet seedling；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling is fed
15 days, for the water temperature control in breeding pond at 28 DEG C, feeding point launched living body bait, launched on food platform within one day primary, kept feeding
Food point cleaning；
S5, it puts in a suitable place to breed: when froglet seedling individual grows to 9g, froglet seedling being launched into rice field, according to 13/square metre
Standard launch.
Embodiment 3
Suitable for the Rana nigromaculata seedling selection of paddy field aquaculture, it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 1 day in storage pond, holding pond until tadpole seed is equal
It flat can swim, Rana nigromaculata tadpole seedling is put in a suitable place to breed according to every square metre of 1200 tail of the water surface, pulls wherein dead seedling out in time, water in storage pond, holding pond
Dissolved oxygen amount is 3mg/L；
S2, the feed of tadpole seedling are raised: the tadpole seedling after temporarily supporting, which is pulled out to be put into aquaculture pond, carries out dispersion feed feeding
It supports 7 days, is carried out according to every square metre of 800 tail of the water surface, when tadpole seedling length to soya bean size, thrown using buoyancy mash feed
Food, feeding total amount are the 1.3% of tadpole weight, pull wherein dead seedling out in time, and the dissolved oxygen amount of water is 6mg/L；
S3, tadpole seedling test breeding: 3/4 water makes 6.5 pH in pond in replacement aquaculture pond, raises 7 days, Zhi Hougeng
Changing in aquaculture pond 2/3 water makes 8 pH in pond, raises 7 days, and morning and evening carry out feeding, the throwing in evening with pellet
Appetite is morning twice of feeding amount, and feeding total amount is the 2.5% of tadpole weight, wherein when tadpole seedling forelimb is grown, water
Temperature control system keeps the peace and quiet of environment at 26 DEG C, stretches out forelimb in tadpole, when period of metamorphosis is near completion, stops feeding, pull out in time
Wherein dead seedling obtains froglet seedling；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling is fed
18 days, for the water temperature control in breeding pond at 26 DEG C, feeding point launched living body bait, launched on food platform within one day primary, kept feeding
Food point cleaning；
S5, it puts in a suitable place to breed: when froglet seedling individual grows to 10g, froglet seedling being launched into rice field, according to 12/square
The standard of rice is launched.
Embodiment 4
Suitable for the Rana nigromaculata seedling selection of paddy field aquaculture, it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 2 days in storage pond, holding pond until tadpole seed is equal
It flat can swim, Rana nigromaculata tadpole seedling is put in a suitable place to breed according to every square metre of 1100 tail of the water surface, pulls wherein dead seedling out in time, water in storage pond, holding pond
Dissolved oxygen amount is 4mg/L；
S2, the feed of tadpole seedling are raised: the tadpole seedling after temporarily supporting, which is pulled out to be put into aquaculture pond, carries out dispersion feed feeding
It supports 4 days, is carried out according to every square metre of 650 tail of the water surface, when tadpole seedling length to soya bean size, thrown using buoyancy mash feed
Food, feeding total amount are the 1.5% of tadpole weight, pull wherein dead seedling out in time, and the dissolved oxygen amount of water is 6mg/L；
S3, tadpole seedling test breeding: 3/4 water makes 6 pH in pond in replacement aquaculture pond, raises 6 days, replaces later
2/3 water makes 7.2 pH in pond in aquaculture pond, raises 6 days, and morning and evening carry out feeding, the throwing in evening with pellet
Appetite is morning twice of feeding amount, and feeding total amount is the 2% of tadpole weight, wherein when tadpole seedling forelimb is grown, water temperature
Control keeps the peace and quiet of environment at 24 DEG C, stretches out forelimb in tadpole, when period of metamorphosis is near completion, stops feeding, pull it out in time
Middle dead seedling obtains froglet seedling；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling is fed
18 days, for the water temperature control in breeding pond at 24 DEG C, feeding point launched living body bait, launched on food platform within one day primary, kept feeding
Food point cleaning；
S5, it puts in a suitable place to breed: when froglet seedling individual grows to 9g, froglet seedling being launched into rice field, according to 13/square metre
Standard launch.
Embodiment 5
Suitable for the Rana nigromaculata seedling selection of paddy field aquaculture, it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 2 days in storage pond, holding pond until tadpole seed is equal
It flat can swim, Rana nigromaculata tadpole seedling is put in a suitable place to breed according to every square metre of 950 tail of the water surface, pulls wherein dead seedling out in time, water in storage pond, holding pond
Dissolved oxygen amount is 5mg/L；
S2, the feed of tadpole seedling are raised: the tadpole seedling after temporarily supporting, which is pulled out to be put into aquaculture pond, carries out dispersion feed feeding
It supports 5 days, is carried out according to every square metre of 700 tail of the water surface, when tadpole seedling length to soya bean size, thrown using buoyancy mash feed
Food, feeding total amount are the 1% of tadpole weight, pull wherein dead seedling out in time, and the dissolved oxygen amount of water is 6mg/L；
S3, tadpole seedling test breeding: 3/4 water makes 6.3 pH in pond in replacement aquaculture pond, raises 7 days, Zhi Hougeng
Changing in aquaculture pond 2/3 water makes 7.5 pH in pond, raises 7 days, and morning and evening carry out feeding with pellet, evening
Feeding amount is morning twice of feeding amount, and feeding total amount is the 3% of tadpole weight, wherein when tadpole seedling forelimb is grown, water
Temperature control system keeps the peace and quiet of environment at 20 DEG C, stretches out forelimb in tadpole, when period of metamorphosis is near completion, stops feeding, pull out in time
Wherein dead seedling obtains froglet seedling；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling is fed
20 days, for the water temperature control in breeding pond at 20 DEG C, feeding point launched living body bait, launched on food platform within one day primary, kept feeding
Food point cleaning；
S5, it puts in a suitable place to breed: when froglet seedling individual grows to 12g, froglet seedling being launched into rice field, according to 8/square metre
Standard launch.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (6)
1. being suitable for the Rana nigromaculata seedling selection of paddy field aquaculture, which is characterized in that it is comprised the steps of:
S1, tadpole seedling are temporarily supported: the Rana nigromaculata tadpole seedling after membrane is temporarily supported 1-2 days in storage pond, holding pond until the equal energy of tadpole seed
Flat trip, Rana nigromaculata tadpole seedling are put in a suitable place to breed according to every square metre of water surface 800-1200 tail, pull wherein dead seedling, water in storage pond, holding pond out in time
Dissolved oxygen amount be 3-5mg/L；
S2, the feed raising of tadpole seedling: the tadpole seedling after will be temporarily feeding, which is pulled out to be put into aquaculture pond, carries out dispersion feed raising 2-7
It, carries out according to every square metre of water surface 600-800 tail, when tadpole seedling length to soya bean size, is thrown using buoyancy mash feed
Food, feeding total amount are the 1-1.5% of tadpole weight, pull wherein dead seedling out in time, and the dissolved oxygen amount of water is not less than 5mg/L；
S3, tadpole seedling test breeding: the water of 2/3-3/4 makes pH 6-6.5 in pond in replacement aquaculture pond, raises 5-7 days, it
The water for replacing 2/3-3/4 in aquaculture pond afterwards makes pH 7-8 in pond, raises 5-7 days, and morning and evening are thrown with pellet
Food, the feeding amount in evening are mornings twice of feeding amount, and feeding total amount is the 2-3% of tadpole weight, wherein before tadpole seedling
When limb is grown, water temperature is controlled at 20-30 DEG C, keeps the peace and quiet of environment, is stretched out forelimb in tadpole, when period of metamorphosis is near completion, is stopped
Wherein dead seedling is pulled in only feeding out in time, obtains froglet seedling；
The breeding management of S4, froglet seedling: froglet seedling being pulled out to be put into breeding pond carry out breeding, and living body food calling feeds 15-
20 days, the water temperature in breeding pond was controlled at 20-30 DEG C, the breeding pond by bottom pond (1), putting down Di Chi (1) around is set
Platform I(2) and platform II(3 on platform I(2) is set), platform II(3) on be provided with feeding point, feeding point, which is provided with, lures mosquito
Lamp, platform I(2) height be 15-20cm, platform II(3) than platform I(2) high 5-10cm, the water in bottom pond (1) do not spill over bottom
Pond (1), feeding point launch living body bait, and primary, holding feeding point cleaning is launched within one day on food platform；
S5, it puts in a suitable place to breed: when froglet seedling individual grows to 8-12g, froglet seedling being launched into rice field, according to 10-14/squares
The standard of rice is launched.
2. being suitable for the Rana nigromaculata seedling selection of paddy field aquaculture as described in claim 1, it is characterised in that: the step
Buoyancy mash feed in rapid S2 is uniformly mixed by yeast powder, wheat flour, bean cake powder according to the weight ratio of 1-2:1:2-5.
3. being suitable for the Rana nigromaculata seedling selection of paddy field aquaculture as described in claim 1, it is characterised in that: the step
The granular size of pellet is 0.5-1.0mm in rapid S3, the pellet by earthworm powder, fish meal, bean cake powder according to
The uniform mixing granulation of the weight ratio of 0.5-0.65:1.2-1.5:5-10 forms.
4. being suitable for the Rana nigromaculata seedling selection of paddy field aquaculture as described in claim 1, it is characterised in that: the bottom
Water in pond (1) is than platform I(2) low 2-5cm.
5. being suitable for the Rana nigromaculata seedling selection of paddy field aquaculture as described in claim 1, it is characterised in that: the work
Body bait is yellow meal worm, earthworm or fly maggot, and the length of living body bait is 0.5-1cm.
6. being suitable for the Rana nigromaculata seedling selection of paddy field aquaculture as described in claim 1, it is characterised in that: described is flat
Platform I(2) width be 50-65cm, platform II(3) width be 25-30cm.
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| CN108184756A (en) * | 2017-12-13 | 2018-06-22 | 枞阳县鑫誉黑斑蛙养殖有限责任公司 | A kind of Rana nigromaculata incubator of automatic screening breed in grades |
| CN110663644A (en) * | 2019-11-21 | 2020-01-10 | 湖南富高农业科技开发有限公司 | Intensive rice frog ecological breeding system |
| CN111280127B (en) * | 2020-04-01 | 2022-06-07 | 成都市农林科学院 | Culture method for improving survival rate of rana nigromaculata for paddy field culture |
| CN112772321B (en) * | 2020-12-31 | 2022-04-19 | 浙江大学 | Comprehensive planting and breeding method for rice, crayfish and rana nigromaculata |
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