CN105766720A - Excellent whitebait breeding method - Google Patents
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- CN105766720A CN105766720A CN201610162918.5A CN201610162918A CN105766720A CN 105766720 A CN105766720 A CN 105766720A CN 201610162918 A CN201610162918 A CN 201610162918A CN 105766720 A CN105766720 A CN 105766720A
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- 238000009395 breeding Methods 0.000 title claims abstract description 48
- 241000975357 Salangichthys microdon Species 0.000 title abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000004720 fertilization Effects 0.000 claims abstract description 4
- 241000969495 Hemisalanx Species 0.000 claims description 57
- 238000012258 culturing Methods 0.000 claims description 39
- 238000004886 process control Methods 0.000 claims description 24
- 210000004602 germ cell Anatomy 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 102000002322 Egg Proteins Human genes 0.000 claims description 6
- 108010000912 Egg Proteins Proteins 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 6
- 230000012173 estrus Effects 0.000 claims description 6
- 210000004681 ovum Anatomy 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000011534 incubation Methods 0.000 claims description 3
- 230000000366 juvenile effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000017448 oviposition Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000001488 breeding effect Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 235000013372 meat Nutrition 0.000 abstract description 2
- 235000013601 eggs Nutrition 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000012447 hatching Effects 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses an excellent whitebait breeding method. The method comprises the following steps: (1), selection of parents; (2), building of a pond for the parents; (3), raising of the parents; (4), breeding of the parents; (5), artificial fertilization; (6), hatching of fertilized eggs; (7), breeding of whitebait fries. The problem of degradation of descendant varieties is solved through selection of whitebait in two areas far away from each other as the parents; the parents are bred under various environment conditions, the parents with poorer physical conditions are eliminated, and the overall quality of the fertilized eggs is improved; the bred whitebait fries are further bred, and the overall quality of the whitebait fries is improved to larger extent; meanwhile, by means of ecological plasticity of the whitebait fries, the living capacity of the whitebait fries is enhanced when environmental factors such as water temperature, the content of oxygen in water, the potential of hydrogen of water and the like change, the growth speed and the meat quality of the whitebait are both improved in proper environment, and the growth and quality stability of the bred fries is high.
Description
Technical field
The invention belongs to aquaculture field, be specifically related to a kind of Hemisalanx high-quality breed method.
Background technology
Hemisalanx is one of famous and precious aquatic products of China, is described as on seat treasure, at home and abroad has long enjoyed a good reputation, is the focus of aquaculture in recent years.Hemisalanx breeding cultural method conventional at present having following defects that, the Hemisalanx parent (1) chosen grows region location relatively near, the phenomenon of variety deterioration occurs after repeatedly breeding；(2) from external appearance characteristic, only differentiate the health status of Hemisalanx parent, can generating section seedling body constitution be poor, the uneven phenomenon of quality after hybridizing；(3) though part seedling can survive in the early stage, but the later stage runs into during environmental fluctuating easily dead, and does not have good economic worth, have lost previous feeding cost.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of Hemisalanx high-quality breed method, the Hemisalanx seedling brought out has the advantages that growing power is vigorous, environment-adapting ability is strong.
The present invention realizes by following technical solution:
A kind of Hemisalanx high-quality breed method, comprises the steps:
(1) Juvenile stage: select the healthy male and female Hemisalanx in A ground some, selects the healthy male and female Hemisalanx in B ground some standby；
(2) parent fishpond is built: build four be positioned proximate to, the degree of depth is 1.5 ~ 2m, area is identical culturing pool, aeration system and temperature control system it is equipped with in each culturing pool, sterilize after injecting the Chi Shui in pond deep 70 ~ 80% again in each culturing pool standby, and four culturing pools correspond to female parent pond, A district, male parent pond, A district, female parent pond, B district and male parent pond, B district respectively；
(3) parent raise: by A and B ground male and female Hemisalanx separate by sex, be respectively and correspondingly placed into female parent pond, A district, male parent pond, A district, female parent pond, B district and male parent pond, B district and individually cultivate；
(4) parent's selection-breeding:
A. parent's selection-breeding operation is being proceeded by the Hemisalanx previous moon in oestrus；
B. at the 1st ~ 5 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water oxygen content controlling four culturing pools is 5 ~ 6mg/L, and it is 8 ~ 10mg/L that all the other time controls pond water oxygen content, whole-process control pond water temperature is 12 ~ 16 DEG C, pond water ph value is 6.5 ~ 7.5, is pulled out by dead Hemisalanx during this；
C. at the 6th ~ 10 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water temperature controlling four culturing pools is 20 ~ 25 DEG C, and it is 12 ~ 16 DEG C that all the other time controls pond water temperature, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water ph value is 6.5 ~ 7.5, is pulled out by dead Hemisalanx during this；
D. at the 11st ~ 15 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 7.8 ~ 8.4, and it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead Hemisalanx during this；
E. at the 16th ~ 20 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 5.7 ~ 6.3, and it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead Hemisalanx during this；
(5) artificial fertilization: just enter after the parent after selection-breeding is cultivated 7 ~ 10 days and oestrus the egg-laying season, ovum is manually taken after now being taken out by the female Hemisalanx in female for A district parent pond, essence is manually taken after being taken out by male Hemisalanx in male parent pond, B district again, then both are mixed to get germ cell standby, in like manner, manually take ovum after being taken out by female Hemisalanx in female for B district parent pond, more manually take essence after the male Hemisalanx taking-up in male parent pond, A district, finally both are mixed to get germ cell standby；
(6) incubating oosperm: obtain seedling after the germ cell of above-mentioned steps gained is carried out according to a conventional method artificial incubation standby；
(7) seedling selection-breeding:
A. when seedling length to 1 ~ 1.5cm, divided equally put into above-mentioned four culturing pool proceed by selection-breeding operation；
B. at the 1st ~ 4 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water oxygen content controlling four culturing pools is 5.5 ~ 6.5mg/L, it is 8.5 ~ 10.5mg/L that all the other time controls pond water oxygen content, whole-process control pond water temperature is 12 ~ 16 DEG C, pond water ph value is 6.5 ~ 7.5, is pulled out by dead seedling during this；
C. at the 5th ~ 8 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water temperature controlling four culturing pools is 18 ~ 22 DEG C, it is 12 ~ 16 DEG C that all the other time controls pond water temperature, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water ph value is 6.5 ~ 7.5, is pulled out by dead seedling during this；
D. at the 9th ~ 12 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 7.6 ~ 8.2, it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead seedling during this；
E. at the 13rd ~ 16 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 5.8 ~ 6.4, it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water temperature is 12 ~ 16 DEG C, being pulled out by dead seedling during this, last remaining Hemisalanx seedling is high-quality seed.
Further, described A ground and B ground represent two air line distances Hemisalanx place of production more than 50km respectively.
Further, temperature described in step (4), (7) controls to be completed by temperature control system, the raising of pond water oxygen content is completed by aeration system, and the decline control of pond water oxygen content realizes by using deoxidizer, and rising or the reduction of pond water ph value realize respectively through liming or acetic acid.
There is advantages that the present invention chooses the problem that two areas Hemisalanx farther out avoids offspring's variety deterioration as parent, the parent that body constitution is poor has been eliminated in the multi-faceted environmental condition selection-breeding that parent is carried out, improve the quality that germ cell is overall, the further selection-breeding of the seedling bred is improved to a greater extent the total quality of seedling, utilize the ecological plasticity of seedling simultaneously, enhance seedling in water temperature, water oxygen level, survival ability during the environmental factors changes such as water body acid-base value, its speed of growth when environment is suitable, meat quality all has lifting, the growth of raised an infant Seedling and quality stability are high.
Detailed description of the invention
A kind of Hemisalanx high-quality breed method, comprises the steps:
(1) Juvenile stage: select the healthy male and female Hemisalanx in A ground some, selects the healthy male and female Hemisalanx in B ground some standby；
(2) parent fishpond is built: build four be positioned proximate to, the degree of depth is 1.8m, area is identical culturing pool, aeration system and temperature control system it is equipped with in each culturing pool, sterilize after injecting the Chi Shui in pond deep 80% again in each culturing pool standby, and four culturing pools correspond to female parent pond, A district, male parent pond, A district, female parent pond, B district and male parent pond, B district respectively；
(3) parent raise: by A and B ground male and female Hemisalanx separate by sex, be respectively and correspondingly placed into female parent pond, A district, male parent pond, A district, female parent pond, B district and male parent pond, B district and individually cultivate；
(4) parent's selection-breeding:
A. parent's selection-breeding operation is being proceeded by the Hemisalanx previous moon in oestrus；
B. at the 1st ~ 5 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water oxygen content controlling four culturing pools is 5 ~ 6mg/L, and it is 8 ~ 10mg/L that all the other time controls pond water oxygen content, whole-process control pond water temperature is 12 ~ 16 DEG C, pond water ph value is 6.5 ~ 7.5, is pulled out by dead Hemisalanx during this；
C. at the 6th ~ 10 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water temperature controlling four culturing pools is 20 ~ 25 DEG C, and it is 12 ~ 16 DEG C that all the other time controls pond water temperature, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water ph value is 6.5 ~ 7.5, is pulled out by dead Hemisalanx during this；
D. at the 11st ~ 15 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 7.8 ~ 8.4, and it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead Hemisalanx during this；
E. at the 16th ~ 20 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 5.7 ~ 6.3, and it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead Hemisalanx during this；
(5) artificial fertilization: just enter after the parent after selection-breeding is cultivated 7 ~ 10 days and oestrus the egg-laying season, ovum is manually taken after now being taken out by the female Hemisalanx in female for A district parent pond, essence is manually taken after being taken out by male Hemisalanx in male parent pond, B district again, then both are mixed to get germ cell standby, in like manner, manually take ovum after being taken out by female Hemisalanx in female for B district parent pond, more manually take essence after the male Hemisalanx taking-up in male parent pond, A district, finally both are mixed to get germ cell standby；
(6) incubating oosperm: obtain seedling after the germ cell of above-mentioned steps gained is carried out according to a conventional method artificial incubation standby；
(7) seedling selection-breeding:
A. when seedling length to 1 ~ 1.5cm, divided equally put into above-mentioned four culturing pool proceed by selection-breeding operation；
B. at the 1st ~ 4 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water oxygen content controlling four culturing pools is 5.5 ~ 6.5mg/L, it is 8.5 ~ 10.5mg/L that all the other time controls pond water oxygen content, whole-process control pond water temperature is 12 ~ 16 DEG C, pond water ph value is 6.5 ~ 7.5, is pulled out by dead seedling during this；
C. at the 5th ~ 8 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water temperature controlling four culturing pools is 18 ~ 22 DEG C, it is 12 ~ 16 DEG C that all the other time controls pond water temperature, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water ph value is 6.5 ~ 7.5, is pulled out by dead seedling during this；
D. at the 9th ~ 12 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 7.6 ~ 8.2, it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead seedling during this；
E. at the 13rd ~ 16 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 5.8 ~ 6.4, it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water temperature is 12 ~ 16 DEG C, being pulled out by dead seedling during this, last remaining Hemisalanx seedling is high-quality seed.
Further, described A ground and B ground represent two air line distances Hemisalanx place of production more than 50km respectively.
Further, temperature described in step (4), (7) controls to be completed by temperature control system, the raising of pond water oxygen content is completed by aeration system, and the decline control of pond water oxygen content realizes by using deoxidizer, and rising or the reduction of pond water ph value realize respectively through liming or acetic acid.
The present invention is in the Breeding Process to parent and seedling, and variable changes and all selects 16.00 carry out 10.00 ~ afternoon of the morning by day, and now the physiological status of Hemisalanx is better, and resistance is relatively strong, is beneficial to the ecological plasticity of potential and the seedling exciting parent.This variable arranges duration also to be determined through great many of experiments, though overlong time can optimize the quality of parent and seedling further, but supplementary loss is excessive, it is unfavorable for being widely popularized of breed, though the time is too short can reduce supplementary loss, but Breeding Effect is poor, it is impossible to reach the purpose that high-quality is bred.
Claims (3)
1. a Hemisalanx high-quality breed method, it is characterised in that comprise the steps:
(1) Juvenile stage: select the healthy male and female Hemisalanx in A ground some, selects the healthy male and female Hemisalanx in B ground some standby；
(2) parent fishpond is built: build four be positioned proximate to, the degree of depth is 1.5 ~ 2m, area is identical culturing pool, aeration system and temperature control system it is equipped with in each culturing pool, sterilize after injecting the Chi Shui in pond deep 70 ~ 80% again in each culturing pool standby, and four culturing pools correspond to female parent pond, A district, male parent pond, A district, female parent pond, B district and male parent pond, B district respectively；
(3) parent raise: by A and B ground male and female Hemisalanx separate by sex, be respectively and correspondingly placed into female parent pond, A district, male parent pond, A district, female parent pond, B district and male parent pond, B district and individually cultivate；
(4) parent's selection-breeding:
A. parent's selection-breeding operation is being proceeded by the Hemisalanx previous moon in oestrus；
B. at the 1st ~ 5 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water oxygen content controlling four culturing pools is 5 ~ 6mg/L, and it is 8 ~ 10mg/L that all the other time controls pond water oxygen content, whole-process control pond water temperature is 12 ~ 16 DEG C, pond water ph value is 6.5 ~ 7.5, is pulled out by dead Hemisalanx during this；
C. at the 6th ~ 10 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water temperature controlling four culturing pools is 20 ~ 25 DEG C, and it is 12 ~ 16 DEG C that all the other time controls pond water temperature, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water ph value is 6.5 ~ 7.5, is pulled out by dead Hemisalanx during this；
D. at the 11st ~ 15 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 7.8 ~ 8.4, and it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead Hemisalanx during this；
E. at the 16th ~ 20 day of selection-breeding, in 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 5.7 ~ 6.3, and it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8 ~ 10mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead Hemisalanx during this；
(5) artificial fertilization: just enter after the parent after selection-breeding is cultivated 7 ~ 10 days and oestrus the egg-laying season, ovum is manually taken after now being taken out by the female Hemisalanx in female for A district parent pond, essence is manually taken after being taken out by male Hemisalanx in male parent pond, B district again, then both are mixed to get germ cell standby, in like manner, manually take ovum after being taken out by female Hemisalanx in female for B district parent pond, more manually take essence after the male Hemisalanx taking-up in male parent pond, A district, finally both are mixed to get germ cell standby；
(6) incubating oosperm: obtain seedling after the germ cell of above-mentioned steps gained is carried out according to a conventional method artificial incubation standby；
(7) seedling selection-breeding:
A. when seedling length to 1 ~ 1.5cm, divided equally put into above-mentioned four culturing pool proceed by selection-breeding operation；
B. at the 1st ~ 4 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water oxygen content controlling four culturing pools is 5.5 ~ 6.5mg/L, it is 8.5 ~ 10.5mg/L that all the other time controls pond water oxygen content, whole-process control pond water temperature is 12 ~ 16 DEG C, pond water ph value is 6.5 ~ 7.5, is pulled out by dead seedling during this；
C. at the 5th ~ 8 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water temperature controlling four culturing pools is 18 ~ 22 DEG C, it is 12 ~ 16 DEG C that all the other time controls pond water temperature, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water ph value is 6.5 ~ 7.5, is pulled out by dead seedling during this；
D. at the 9th ~ 12 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 7.6 ~ 8.2, it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water temperature is 12 ~ 16 DEG C, is pulled out by dead seedling during this；
E. at the 13rd ~ 16 day of selection-breeding, 10.00 ~ afternoon 16.00 every morning, the pond water ph value controlling four culturing pools is 5.8 ~ 6.4, it is 6.5 ~ 7.5 that all the other time controls pond water ph value, whole-process control pond water oxygen content is 8.5 ~ 10.5mg/L, pond water temperature is 12 ~ 16 DEG C, being pulled out by dead seedling during this, last remaining Hemisalanx seedling is high-quality seed.
2. a kind of Hemisalanx high-quality breed method according to claim 1, it is characterised in that described A ground and B ground represent two air line distances Hemisalanx place of production more than 50km respectively.
3. a kind of Hemisalanx high-quality breed method according to claim 1, it is characterized in that, temperature described in step (4), (7) controls to be completed by temperature control system, the raising of pond water oxygen content is completed by aeration system, the decline control of pond water oxygen content realizes by using deoxidizer, and rising or the reduction of pond water ph value realize respectively through liming or acetic acid.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109496929A (en) * | 2018-12-28 | 2019-03-22 | 姜志锟 | A kind of severe cold area silverfish artificial insemination and oosperm hatching technique |
| CN112673996A (en) * | 2019-11-02 | 2021-04-20 | 海南青利水产繁殖有限公司 | Method for cultivating golden seedlings |
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| CN102640720A (en) * | 2012-05-09 | 2012-08-22 | 中国水产科学研究院淡水渔业研究中心 | Seedling method of big salangid in northern saline-alkaline areas |
| CN103651188A (en) * | 2012-09-18 | 2014-03-26 | 郭明忠 | Desalination seedling method for seawater miniatus groupers |
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| CN109496929A (en) * | 2018-12-28 | 2019-03-22 | 姜志锟 | A kind of severe cold area silverfish artificial insemination and oosperm hatching technique |
| CN112673996A (en) * | 2019-11-02 | 2021-04-20 | 海南青利水产繁殖有限公司 | Method for cultivating golden seedlings |
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