CN109601451A - A method of improving Macrobrachium rosenbergii egg laying rate of red swamp - Google Patents
A method of improving Macrobrachium rosenbergii egg laying rate of red swamp Download PDFInfo
- Publication number
- CN109601451A CN109601451A CN201910091831.7A CN201910091831A CN109601451A CN 109601451 A CN109601451 A CN 109601451A CN 201910091831 A CN201910091831 A CN 201910091831A CN 109601451 A CN109601451 A CN 109601451A
- Authority
- CN
- China
- Prior art keywords
- macrobrachium rosenbergii
- egg laying
- bait
- laying rate
- red swamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/163—Sugars; Polysaccharides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- 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
Abstract
The present invention relates to a kind of methods for improving Macrobrachium rosenbergii egg laying rate of red swamp, using cylindrical pvc pipe as artificial fish nest, the horizontal bottom in Cultivation container, pvc pipe long 15-30cm, internal diameter 4-15cm；The long 10cm or more of body is chosen, appendage is complete, and active shrimp of swimming is placed in Cultivation container as parent；When water temperature reaches 20 DEG C, starts to feed bait and be to slowly warm up to 28-34 DEG C, the feeding volume of bait is the 3-8% of shrimp weight, and bait is made of the immunopotentiator of 2-8% and the basal feed of 92-98%；It feeds 2 times within bait one day, feeds, feed 40-60 days sooner or later.It is slow that the present invention efficiently solves the female parent speed of growth in traditional Macrobrachium rosenbergii breeding process, and the death rate is high, and the development of ovary is slow, the low problem of egg laying rate of red swamp.The method of the present invention is simple, at low cost, can greatly improve close shrimp survival rate, and Macrobrachium rosenbergii egg laying rate of red swamp can be increased to 80% or more.
Description
Technical field
The present invention relates to a kind of methods for improving Macrobrachium rosenbergii egg laying rate of red swamp, belong to technical field of aquaculture.
Background technique
Macrobrachium rosenbergii (Macrobrachium rosenbergii) also known as Malaysian prawn, the long-armed prawn of fresh water, are subordinate to
In Malacostraca, Decapoda, Natantia, Palaemonidae, pond crayfish category.It is a kind of large-scale fresh water shrimp, originates in Southeast Asia.It has
There is the advantages that growth is fast, feeding habits are wide, meat nutrition composition is good and the culture-cycle is short.It is artificial since the 1960's to support
It since growing Macrobrachium rosenbergii, has quickly grown, existing country in Southeast Asia and this shrimp of some other area cultivation are commonplace.China is from 1976
Year introduces this shrimp, is supported in Guangdong, Guangxi, Hunan, Hubei, Jiangsu, Shanghai, Zhejiang Deng Shiduoge provinces, cities and autonomous regions
It grows, achieves apparent economic benefit.But the cultivation relative to the shrimp cultures kind such as freshwater shrimp, Penaeus Vannmei, cray
For yield, Macrobrachium rosenbergii or a small kind.In longer period of time, the cultivation of Macrobrachium rosenbergii was both white right without South America
Shrimp aquaculture is popularized, and without the flourishing of cray sale, more without the such personal value once to Spring Festival members up to a hundred of freshwater shrimp.Mainly
It is due to Macrobrachium rosenbergii seed limited amount, quality causes anxiety.This is because being easy to appear female parent in Macrobrachium rosenbergii breeding process
The phenomenon that this reproductive performance declines is mainly shown as, the female parent development of ovary is slow, and female shrimp egg laying rate of red swamp is low, and shrimp with ovums is easy
De- ovum, eventually leads to and can not incubate the young, and the Larval quality hatched is bad, and specification is irregular, abnormal difficult.
Therefore, cultivating the female parent that the speed of growth is fast, individual is big, the development of ovary is fast, egg laying rate of red swamp is high is Macrobrachium rosenbergii
The urgent problem to be solved of kind industry development.
Summary of the invention
Present invention aim to address the female parent developments of ovary occurred in Macrobrachium rosenbergii breeding process in the prior art
Slow, female shrimp egg laying rate of red swamp is low, and shrimp with ovums is easy de- ovum, eventually leads to and can not incubate the young, and the Larval quality hatched is bad, advises
Lattice are irregular, and abnormal difficult problem provides a kind of method for improving Macrobrachium rosenbergii egg laying rate of red swamp.
Technical solution
A method of Macrobrachium rosenbergii egg laying rate of red swamp is improved, is included the following steps:
(1) using cylindrical pvc pipe as artificial fish nest, the horizontal bottom in Cultivation container, the long 15- of pvc pipe
30cm, internal diameter 4-15cm；
(2) the long 10cm or more of body is chosen, appendage is complete, and active shrimp of swimming as parent, hold by the cultivation for being placed on step (1)
In device；
(3) when water temperature reaches 20 DEG C in Cultivation container, start to feed bait, and be to slowly warm up to 28-34 DEG C, bait
Feeding volume is the 3-8% of shrimp weight, and the bait is made of the immunopotentiator of 2-8% and the basal feed of 92-98%；Bait one
It feeds 2 times, feeds sooner or later, feeds 40-60 days.
Further, in step (1), the placement density of the pvc pipe is 10-15 root/m2。
Further, in step (2), Qin Benzhong, female and male ratio 3:1.
Further, in step (3), heating 1-3 DEG C of heating every time, heating in every 1-3 days is once.
Further, in step (3), the immunopotentiator is grouped as by the group of following parts by weight: 20-50 parts viscous more
Sugar, 30-60 parts of weight ratio are the Radix Isatidis of 1:1 and the mixture of astragalus polyose, 10-30 parts of Yolk immunoglobulin.
Beneficial effects of the present invention:
The present invention provides a kind of methods for improving Macrobrachium rosenbergii egg laying rate of red swamp, solve traditional Macrobrachium rosenbergii breeding process
In, with the increase of Macrobrachium rosenbergii cultivation density, breeding environment is worsening, causes Macrobrachium rosenbergii female parent in breeding process
The speed of growth is slow, and the death rate is high, and the development of ovary is slow, the low problem of egg laying rate of red swamp.The method of the present invention is simple, at low cost, can be substantially
Close shrimp survival rate is improved, Macrobrachium rosenbergii egg laying rate of red swamp can be increased to 80% or more.
Specific embodiment
The following describes the present invention in detail with reference to examples.But the scope of the present invention is not by any form of embodiment
On limitation.
In following embodiments,
Close shrimp survival rate=male and female Macrobrachium rosenbergii finally survive the initial male and female Macrobrachium rosenbergii of sum ÷ put in a suitable place to breed total quantity ×
100%
Female shrimp egg laying rate of red swamp=oogenesis Macrobrachium rosenbergii quantity ÷ female Macrobrachium rosenbergii quantity × 100%.
Embodiment 1
A method of Macrobrachium rosenbergii egg laying rate of red swamp is improved, is included the following steps:
(1) it in the aquarium of 12 × 4m, using long 30cm, the cylindrical pvc pipe of internal diameter 12cm white as artificial fish nest, puts
48 are set in bottom of aquaria；
(2) choose that the long 10-18cm of body, appendage are complete, the active close shrimp of Macrobrachium rosenbergii female of swimming, the long 12-25cm appendage of body
Complete, the active Macrobrachium rosenbergii hero shrimp of swimming, female and male ratio 3:1 count 600 tails, are placed in the aquarium of step (1)；
(3) when water temperature reaches 20 DEG C in aquarium, start to feed bait, and slowly heat up (1.5 DEG C of heating every time, every 2
It rises a water temperature) to 30.5 DEG C, the feeding volume of bait is the 4% of shrimp weight, and the bait is by 5% immunopotentiator (by 20
The mixture and 10 parts of Yolk immunoglobulin of the mucopolysaccharide of part, the Radix Isatidis that 30 parts of weight ratio is 1:1 and astragalus polyose
Composition) and 95% basal feed form, feed 2 times within bait one day, feed sooner or later, feed 50 days, female shrimp survival rate is
92.5%, egg laying rate of red swamp reaches 80.0%.
Embodiment 2
A method of Macrobrachium rosenbergii egg laying rate of red swamp is improved, is included the following steps:
(1) it in the aquarium of 12 × 4m, using long 20cm, the cylindrical pvc pipe of internal diameter 10cm white as artificial fish nest, puts
50 are set in bottom of aquaria；
(2) choose that the long 13.3-25.8cm of body, appendage be complete, the active Parent Female of Macrobrachium rosenbergii of swimming, female and male ratio 3:1, meter
600 tails are placed in the aquarium of step (1)；
(3) when water temperature reaches 20 DEG C in aquarium, start to feed bait, and slowly heating (2 DEG C, every 2 days of heating every time
Rise a water temperature) to 32 DEG C, the feeding volume of bait is the 4% of shrimp weight, and the bait is by 3.5% immunopotentiator (by 20 parts
Mucopolysaccharide, 30 parts of weight ratio be 1:1 Radix Isatidis and astragalus polyose mixture and 10 parts of Yolk immunoglobulin group
At) and 96.5% basal feed composition, feed 2 times within bait one day, feed sooner or later, feed 50 days, female shrimp survival rate be 90%,
Egg laying rate of red swamp reaches 80.2%.
Claims (5)
1. a kind of method for improving Macrobrachium rosenbergii egg laying rate of red swamp, which comprises the steps of:
(1) using cylindrical pvc pipe as artificial fish nest, the horizontal bottom in Cultivation container, the long 15-30cm of pvc pipe is interior
Diameter 4-15cm；
(2) the long 10cm or more of body is chosen, appendage is complete, and active shrimp of swimming is placed on the Cultivation container of step (1) as parent
In；
(3) when water temperature reaches 20 DEG C in Cultivation container, start to feed bait, and be to slowly warm up to 28-34 DEG C, bait is fed
Amount is the 3-8% of shrimp weight, and the bait is made of the immunopotentiator of 2-8% and the basal feed of 92-98%；It throws within bait one day
It feeds 2 times, feeds, feed 40-60 days sooner or later.
2. improving the method for Macrobrachium rosenbergii egg laying rate of red swamp as described in claim 1, which is characterized in that in step (1), the pvc pipe
Placement density be 10-15 root/m2。
3. improving the method for Macrobrachium rosenbergii egg laying rate of red swamp as described in claim 1, which is characterized in that in step (2), Qin Benzhong is female
Male is than being 3:1.
4. improving the method for Macrobrachium rosenbergii egg laying rate of red swamp as described in claim 1, which is characterized in that in step (3), the heating is every
Secondary 1-3 DEG C of heating, heating in every 1-3 days are primary.
5. improving the method for Macrobrachium rosenbergii egg laying rate of red swamp as described in any one of Claims 1-4, which is characterized in that in step (3),
The immunopotentiator is grouped as by the group of following parts by weight: 20-50 parts of mucopolysaccharide, and 30-60 parts of weight ratio is the plate of 1:1
The mixture of blue root and astragalus polyose, 10-30 parts of Yolk immunoglobulin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091831.7A CN109601451A (en) | 2019-01-30 | 2019-01-30 | A method of improving Macrobrachium rosenbergii egg laying rate of red swamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091831.7A CN109601451A (en) | 2019-01-30 | 2019-01-30 | A method of improving Macrobrachium rosenbergii egg laying rate of red swamp |
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| CN109601451A true CN109601451A (en) | 2019-04-12 |
Family
ID=66019369
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| CN201910091831.7A Pending CN109601451A (en) | 2019-01-30 | 2019-01-30 | A method of improving Macrobrachium rosenbergii egg laying rate of red swamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110741991A (en) * | 2019-12-09 | 2020-02-04 | 阜南县鸿洪养殖专业合作社 | Freshwater shrimp breeding method |
| CN116349629A (en) * | 2023-04-25 | 2023-06-30 | 浙江省淡水水产研究所 | Indoor intensified cultivation method for macrobrachium rosenbergii |
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| CN101720707A (en) * | 2009-12-11 | 2010-06-09 | 华中农业大学 | Method for improving egg laying rate of red swamp crayfish |
| WO2016146736A1 (en) * | 2015-03-19 | 2016-09-22 | Universiteit Gent | Use of poly-beta-hydroxybutyrate as housing to homogenize growth and increase survival of crustaceans in aquaculture systems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110741991A (en) * | 2019-12-09 | 2020-02-04 | 阜南县鸿洪养殖专业合作社 | Freshwater shrimp breeding method |
| CN116349629A (en) * | 2023-04-25 | 2023-06-30 | 浙江省淡水水产研究所 | Indoor intensified cultivation method for macrobrachium rosenbergii |
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