CN106719199A - The method for breeding of river crab - Google Patents

The method for breeding of river crab Download PDF

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Publication number
CN106719199A
CN106719199A CN201611155434.4A CN201611155434A CN106719199A CN 106719199 A CN106719199 A CN 106719199A CN 201611155434 A CN201611155434 A CN 201611155434A CN 106719199 A CN106719199 A CN 106719199A
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Prior art keywords
pond
water
parts
crab
river crab
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CN201611155434.4A
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Chinese (zh)
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赵志余
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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
    • 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
    • Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

Abstract

The invention discloses a kind of method for breeding of river crab, step includes：1) the smooth waters of selection bottom of pond, places fence, builds up pond；2) pond is scrubbed with watery hydrochloric acid；3) nursery pond is added water 80~100cm, full pool spilling head EDTA5ppm, and a small amount of Micro Algae, concentration 20~30 × 10 are inoculated with pond4Cell/ml liters, water body shows light algae water colour, and the young enters 1 day inoculating rotifer before pond, 5~15/ml of density, 25~30 DEG C of water temperature, pH value 7.0~8.5,2000~8000Lux of illumination；4) water temperature is advisable at 15~19 DEG C when delivering juvenile crab, and first juvenile crab is put into 5~8 minutes in pond water in launch process, is putting back to bank 15~20 minutes, 3~5 times repeatedly, allows juvenile crab to adapt to water temperature, and juvenile crab delivers density：3~6/m3；5) feed is respectively delivered sooner or later daily；6) daily 18~20 when open 1~3h of aerator, dissolved oxygen content is in 6~10mg/L；7) pond water temperature control system is at 18~25 DEG C.The present invention is set by the pond environment of science and bait is delivered, and makes the survival rate of river crab high, and growth rate is fast, delicious meat.

Description

The method for breeding of river crab
Technical field
The present invention relates to cultivate field, the method for breeding of particularly a kind of river crab.
Background technology
River crab, is fresh water crustacean, is grown up in fresh water, and river crab meat flavour is delicious, nutritious.River crab is at present by Compatriots and the universally recognized cuisines of overseas people, at present because the source of river crab is still based on fishing for, artificial culture work is carried out It is less, the river crab of growth much can not meet the eating requirements of people naturally, although supporting by small area in recent years The need for growing to supplement market, the demand in market is not alleviated equally yet.At present, the technology of artificial cultured river crab also after it is many not Foot, experience also imperfection of the people to artificial crab farming.The bait that cultivating river crab needs in different stage it is different, it is necessary to growth Environment is also different, and many technical staff ignore the scientific offering of culture of Chinese mitten crab ecological environment in cultivating river crab, are matched somebody with somebody using industry Feed is closed, blindness medication causes the destruction of river crab ecologic environment, causes river crab survival rate low, quality decline.
The content of the invention
For the problem being previously mentioned, the invention provides a kind of method for breeding of river crab, step includes：
1) the smooth waters of selection bottom of pond, places fence, builds up pond；
2) pond is scrubbed with watery hydrochloric acid, the bleaching powder of 10~15ppm soaks 0.5~1.5 hour, and rinses well, then uses Clean with filtering seawater flushing after the sterilization of 20~50ppm potassium permanganate, gas stone is 1.5~4/m2；
3) nursery pond is added water 80~100cm, full pool spilling head EDTA5ppm, and a small amount of Micro Algae, concentration 20~30 are inoculated with pond ×104Cell/ml liters, water body shows light algae water colour, and the young enters 1 day inoculating rotifer before pond, 5~15/ml of density, water temperature 25 ~30 DEG C, pH value 7.0~8.5,2000~8000Lux of illumination；
4) water temperature is advisable at 15~19 DEG C when delivering juvenile crab, and first juvenile crab is put into 5~8 points in pond water in launch process Clock, is putting back to bank 15~20 minutes, 3~5 times repeatedly, allows juvenile crab to adapt to water temperature, and juvenile crab delivers density：3~6/m3；
5) feed is respectively delivered sooner or later daily, feed is by weight：35~55 parts of corn flour, dehydrated potato powder 10~ 15 parts, 30~40 parts of wheat flour, 25~55 parts of dregs of beans, 8~16 parts of Chinese honey locust powder, 8~15 parts of fish meal, 5~10 parts of vegetable oil, fish scale 0.5~0.9 part of 8~10 parts of powder, 5~9 parts of dried pork floss and vitamin A, each injected volume are the 3~6% of river crab body weight；
6) daily 18~20 when open 1~3h of aerator, dissolved oxygen content is in 6~10mg/L；
7) pond water temperature control system is at 18~25 DEG C.
Preferred scheme is：Described pond was thoroughly turned over and washes, sterilizes fine sand once every 4~5 days, prevented sand bed blackening, or Pond is once.
Preferred scheme is：The fence insertion pond depth is 50~70cm.
Preferred scheme is：Plant pasture and water in the pond, the pasture and water not still food of river crab, and can purify water.
Preferred scheme is：The pasture and water are eel grass, waterweed or hydrilla verticillata.
The present invention is set by the pond environment of science and bait is delivered, and makes the survival rate of river crab high, and growth rate is fast, meat Matter is delicious.
Specific embodiment
The present invention is described in further detail below, with make those skilled in the art with reference to specification word being capable of evidence To implement.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many The presence or addition of individual other elements or its combination.
Embodiment 1
A kind of method for breeding of river crab is present embodiments provided, step includes：
1) the smooth waters of selection bottom of pond, places fence, builds up pond, and the fence insertion pond depth is 50cm；
2) pond is scrubbed with watery hydrochloric acid, the bleaching powder of 10ppm soaks 0.5 hour, and rinses well, then uses 20ppm Gao Meng Clean with filtering seawater flushing after sour potassium sterilization, gas stone is 1.5/m2, pond every 4 days, thoroughly turn over wash, fine sand one of sterilizing It is secondary, prevent sand bed blackening, or pond is once；
3) nursery pond is added water 80cm, full pool spilling head EDTA5ppm, and a small amount of Micro Algae, concentration 20 × 10 are inoculated with pond4cell/ Ml liters, water body shows light algae water colour, and the young enters 1 day inoculating rotifer before pond, 5/ml of density, 25 DEG C of water temperature, pH value 7.0, light According to 2000Lux, pasture and water are planted in the pond, the pasture and water not still food of river crab, and can purify water, the pasture and water are Eel grass, waterweed or hydrilla verticillata；
4) water temperature is advisable at 15 DEG C when delivering juvenile crab, and first juvenile crab is put into 5 minutes in pond water in launch process, is putting back to Bank 15 minutes, 3 times repeatedly, allows juvenile crab to adapt to water temperature, and juvenile crab delivers density：3/m3；
5) feed is respectively delivered sooner or later daily, feed is by weight：It is 35 parts of corn flour, 10 parts of dehydrated potato powder, small 30 parts of flour, 25 parts of dregs of beans, 8 parts of Chinese honey locust powder, 8 parts of fish meal, 5 parts of vegetable oil, 8 parts of pearl white, 5 parts of dried pork floss and vitamin A 0.5 Part, each injected volume is the 3% of river crab body weight；
6) daily 18 when open 1~3h of aerator, dissolved oxygen content is in 6mg/L；
7) pond water temperature control system is at 18 DEG C.
Embodiment 2
A kind of method for breeding of river crab is present embodiments provided, step includes：
1) the smooth waters of selection bottom of pond, places fence, builds up pond, and the fence insertion pond depth is 70cm；
2) pond is scrubbed with watery hydrochloric acid, the bleaching powder of 15ppm soaks 1.5 hours, and rinses well, then uses 50ppm Gao Meng Clean with filtering seawater flushing after sour potassium sterilization, gas stone is 4/m2, pond thoroughly turned over and washes, sterilizes fine sand once every 5 days, Prevent sand bed blackening, or pond is once；
3) nursery pond adds water 100cm, full pool spilling head EDTA5ppm, is inoculated with a small amount of Micro Algae in pond, and concentration 30 × 104Cell/ml liters, water body shows light algae water colour, and the young enters 1 day inoculating rotifer before pond, 15/ml of density, 30 DEG C of water temperature, pH Value 8.5, illumination 8000Lux plants pasture and water in the pond, the pasture and water not still food of river crab, and can purify water, institute Pasture and water are stated for eel grass, waterweed or hydrilla verticillata；
4) water temperature is advisable at 19 DEG C when delivering juvenile crab, and first juvenile crab is put into 8 minutes in pond water in launch process, is putting back to Bank 20 minutes, 5 times repeatedly, allows juvenile crab to adapt to water temperature, and juvenile crab delivers density：6/m3；
5) feed is respectively delivered sooner or later daily, feed is by weight：It is 55 parts of corn flour, 15 parts of dehydrated potato powder, small 40 parts of flour, 55 parts of dregs of beans, 16 parts of Chinese honey locust powder, 15 parts of fish meal, 10 parts of vegetable oil, 10 parts of pearl white, 9 parts of dried pork floss and vitamin A0.9 parts, each injected volume is the 6% of river crab body weight；
6) daily 20 when open aerator 3h, dissolved oxygen content is in 10mg/L；
7) pond water temperature control system is at 25 DEG C.
Embodiment 3
A kind of method for breeding of river crab is present embodiments provided, step includes：
1) the smooth waters of selection bottom of pond, places fence, builds up pond, and the fence insertion pond depth is 60cm；
2) pond is scrubbed with watery hydrochloric acid, the bleaching powder of 12ppm soaks 0.9 hour, and rinses well, then uses 30ppm Gao Meng Clean with filtering seawater flushing after sour potassium sterilization, gas stone is 3/m2, pond every 4.5 days, thoroughly turn over wash, fine sand one of sterilizing It is secondary, prevent sand bed blackening, or pond is once；
3) nursery pond is added water 90cm, full pool spilling head EDTA5ppm, and a small amount of Micro Algae, concentration 25 × 10 are inoculated with pond4cell/ Ml liters, water body shows light algae water colour, and the young enters 1 day inoculating rotifer before pond, 8/ml of density, 28 DEG C of water temperature, pH value 7.9, light According to 5000Lux, pasture and water are planted in the pond, the pasture and water not still food of river crab, and can purify water, the pasture and water are Eel grass, waterweed or hydrilla verticillata；
4) water temperature is advisable at 17 DEG C when delivering juvenile crab, and first juvenile crab is put into 7 minutes in pond water in launch process, is putting back to Bank 17 minutes, 4 times repeatedly, allows juvenile crab to adapt to water temperature, and juvenile crab delivers density：5/m3；
5) feed is respectively delivered sooner or later daily, feed is by weight：It is 45 parts of corn flour, 12 parts of dehydrated potato powder, small 35 parts of flour, 35 parts of dregs of beans, 10 parts of Chinese honey locust powder, 12 parts of fish meal, 8 parts of vegetable oil, 9 parts of pearl white, 7 parts of dried pork floss and vitamin A0.7 parts, each injected volume is the 5% of river crab body weight；
6) daily 19 when open aerator 2h, dissolved oxygen content is in 7mg/L；
7) pond water temperature control system is at 20 DEG C.
Table 1 is the correction data (100g) of the meat that the embodiment of the present invention raises crab with existing method：
Table 1
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited In specific details.

Claims (5)

1. a kind of method for breeding of river crab, it is characterised in that step includes：
1) the smooth waters of selection bottom of pond, places fence, builds up pond；
2) pond is scrubbed with watery hydrochloric acid, the bleaching powder of 10~15ppm soaks 0.5~1.5 hour, and rinses well, then with 20~ Clean with filtering seawater flushing after the sterilization of 50ppm potassium permanganate, gas stone is 1.5~4/m2；
3) nursery pond adds water 80~100cm, full pool spilling head EDTA5ppm, is inoculated with a small amount of Micro Algae in pond, and concentration 20~30 × 104Cell/ml liters, water body shows light algae water colour, and the young enters 1 day inoculating rotifer before pond, 5~15/ml of density, and water temperature 25~ 30 DEG C, pH value 7.0~8.5,2000~8000Lux of illumination；
4) water temperature is advisable at 15~19 DEG C when delivering juvenile crab, and first juvenile crab is put into 5~8 minutes in pond water in launch process, Put back to bank 15~20 minutes, 3~5 times repeatedly, allow juvenile crab to adapt to water temperature, juvenile crab delivers density：3~6/m3；
5) feed is respectively delivered sooner or later daily, feed is by weight：35~55 parts of corn flour, dehydrated potato powder 10~15 Part, 30~40 parts of wheat flour, 25~55 parts of dregs of beans, 8~16 parts of Chinese honey locust powder, 8~15 parts of fish meal, 5~10 parts of vegetable oil, pearl white 0.5~0.9 part of 8~10 parts, 5~9 parts of dried pork floss and vitamin A, each injected volume are the 3~6% of river crab body weight；
6) daily 18~20 when open 1~3h of aerator, dissolved oxygen content is in 6~10mg/L；
7) pond water temperature control system is at 18~25 DEG C.
2. the method for breeding of river crab according to claim 1, it is characterised in that described pond every 4~5 days, thoroughly Turn over and wash, sterilize fine sand once, prevent sand bed blackening, or pond is once.
3. the method for breeding of river crab according to claim 1, it is characterised in that the depth of water in pond is 0.9~1.3m.
4. the method for breeding of river crab according to claim 1, it is characterised in that pasture and water are planted in the pond, pasture and water are not But the food of river crab, and can purify water.
5. the method for breeding of river crab according to claim 4, it is characterised in that the pasture and water are eel grass, waterweed or wheel The black algae of leaf.
CN201611155434.4A 2016-12-14 2016-12-14 The method for breeding of river crab Pending CN106719199A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108726793A (en) * 2018-05-15 2018-11-02 盘锦光合蟹业有限公司 A method of preventing water quality mutation during river crab seedling rearing in earth ponds

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CN105639182A (en) * 2015-12-27 2016-06-08 天津现代天骄水产饲料股份有限公司 Composite feed for crabs

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108726793A (en) * 2018-05-15 2018-11-02 盘锦光合蟹业有限公司 A method of preventing water quality mutation during river crab seedling rearing in earth ponds
CN108726793B (en) * 2018-05-15 2021-06-04 盘锦光合蟹业有限公司 Method for preventing water quality mutation in river crab soil pond seedling raising process

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