CN103891658B - A kind of natural propagation method of dragon design spot - Google Patents
A kind of natural propagation method of dragon design spot Download PDFInfo
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- CN103891658B CN103891658B CN201410146971.7A CN201410146971A CN103891658B CN 103891658 B CN103891658 B CN 103891658B CN 201410146971 A CN201410146971 A CN 201410146971A CN 103891658 B CN103891658 B CN 103891658B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 241000251468 Actinopterygii Species 0.000 claims abstract description 52
- 230000000384 rearing effect Effects 0.000 claims abstract description 36
- 235000013601 eggs Nutrition 0.000 claims abstract description 27
- 230000026109 gonad development Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 235000021336 beef liver Nutrition 0.000 claims description 15
- 230000012447 hatching Effects 0.000 claims description 15
- 230000037396 body weight Effects 0.000 claims description 12
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 10
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 10
- 238000005276 aerator Methods 0.000 claims description 10
- 230000003203 everyday effect Effects 0.000 claims description 10
- 230000004720 fertilization Effects 0.000 claims description 10
- 239000011573 trace mineral Substances 0.000 claims description 10
- 235000013619 trace mineral Nutrition 0.000 claims description 10
- 235000013343 vitamin Nutrition 0.000 claims description 10
- 239000011782 vitamin Substances 0.000 claims description 10
- 229940088594 vitamin Drugs 0.000 claims description 10
- 229930003231 vitamin Natural products 0.000 claims description 10
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 10
- 241001247197 Cephalocarida Species 0.000 claims description 9
- 241000700141 Rotifera Species 0.000 claims description 9
- 238000011534 incubation Methods 0.000 claims description 7
- 241000195493 Cryptophyta Species 0.000 claims description 5
- 241000238557 Decapoda Species 0.000 claims description 5
- 241000252234 Hypophthalmichthys nobilis Species 0.000 claims description 5
- 241001669656 Odontobutis obscura Species 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 210000002969 egg yolk Anatomy 0.000 claims description 5
- 230000012173 estrus Effects 0.000 claims description 5
- 235000013305 food Nutrition 0.000 claims description 5
- 239000013505 freshwater Substances 0.000 claims description 5
- 230000002710 gonadal effect Effects 0.000 claims description 5
- 230000035800 maturation Effects 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 239000011236 particulate material Substances 0.000 claims description 5
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 241000947101 Maccullochella peelii Species 0.000 description 1
- 241000269800 Percidae Species 0.000 description 1
- 241000276618 Perciformes Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
Classifications
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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
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- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to a kind of natural propagation method of new varieties dragon design spot, dragon design spot introduces the new varieties of China from Australia, Australia is different from China in Southern Hemisphere weather, season, 1. the present invention by building insulation parent fish rearing pond, 2. parent population biological feed is cultivated, 3. parent population fish nest is set, 4. parent population is cultivated, 5. increase current and stimulate gonad development, 6. lay eggs and collect fertilized egg, 7. incubating oosperm, 8. larvae cultivation, create the Reproduction Conditions of natural, ecological weather similar to Australia, environment, achieve dragon design spot in Chinese natural propagation.
Description
Technical field
The present invention relates to fish reproduction technical field, be specifically related to a kind of natural propagation method of dragon design spot.
Background technology
Dragon design spot originates in Mo Rui river, Australia, is Australia national treasure fish, formal name used at school " Mo Ruixue " (Murraycod); belong to Perciformes , Sushi Percidae, dragon design spot meat quality of fish is tender; fine and smooth and pliable and tough, tasty mouthfeel, growth is fast; economic worth is high, introduces a fine variety fry 20 end of the centurys to China, and cultivation successfully seldom; the breeding of dragon design spot is the technical barrier of restriction dragon design spot large-scale cultivation; this patent makes great efforts successfully to capture breeding difficulty through for many years, and dragon design spot at Chinese reproductive success, can be filled the domestic gaps.
Summary of the invention
Goal of the invention: the object of the invention is a kind of natural propagation method in order to provide dragon design spot fish, dragon design spot originates in Australia, introduces a fine variety China, weather, ecotope are different, affect growing of dragon design spot.The invention provides dragon design spot and be applicable to China new weather, ecotope, natural propagation method of growing.
Technical scheme: the technical scheme that technical solution problem of the present invention is taked is: a kind of natural propagation method of dragon design spot, comprises the following steps:
1. insulation parent fish rearing pond is built
Pond, shale, area 8 × 10 ㎡, dark 2.5m, pond has double layer hollow plastic tunnel, frame height 2.5-3.5m, and natural lighting is sufficient, and temperature keeps more than 15 DEG C.
2. parent population biological feed is cultivated
Parent fish rearing pond dregs of beans carries out rich water, cultivates aquatile, as algae, wheel animalcule, cladocera, is hung in water by dregs of beans technology for woven plastic packing rear overhang, every pond 30kg, throws in freshwater shrimp, silver carp seed, Odontobutis obscura simultaneously, builds biological feed food chain.
3. parent population fish nest is set
Select grey dark-coloured PVC, as shown in Figure 1, diameter 500mm, length 1200mm, wall thickness 5mm, fish nest respectively installs two stands below two ends to parent population fish Nest architecture size, the long 250mm of support, wide 50mm, is evenly safely placed in bottom pond, 7 ~ 11, every pond.
4. parent population is cultivated
Annual late November select 5 ~ 6 age body weight 7 ~ 10kg/ tail, the parent population 3-6 couple that physical health, reaction are quick, puts parent fish rearing pond in a suitable place to breed.Parent fish rearing pond temperature remains on more than 15 DEG C, and dissolved oxygen keeps 7 ~ 9mg/L.Parent population is put increasing of fixed place and time rear every day in a suitable place to breed and throws beef liver, vitamin, trace mineral element.Beef liver feeding volume every day is the 2-3% of parent population body weight.Vitamin, trace mineral element, make heavy property particulate material and beef liver is thrown something and fed simultaneously.
5. increase current and stimulate gonad development
A jet aerator is installed in each parent fish rearing pond, power 3.5kw.Late November to next year by the end of March, flow rate of water flow 0.3 ~ 0.5m/s.At the beginning of 4 months ~ and the first tenday period of a month in May, regulate jet aerator power, flow rate of water flow 0.6 ~ 0.8m/s, utilize current to stimulate parent population gonad development, oestrus, lay eggs.
6. lay eggs and collect fertilized egg
In the first tenday period of a month in May, when water temperature rises to more than 20 DEG C, under sunlight, current stimulate, the parent population of gonadal maturation looks for even pairing, natural spawning of oestrusing, and guarantees fertilization time 4 ~ 5 hours, and in parent fish rearing pond, the water flows gently locates, and collects fertilized egg with bucket.
7. incubating oosperm
To collect fertilized egg to put into hatching pail and hatch, incubation temperature controls at 20 ~ 24 DEG C, PH7.5 ~ 8.5.
8. larvae cultivation
After fertilization and hatching, prelarva is thrown something and fed after hatching 2 ~ 3 days yolk, and proceed to fry rearing pond after 5 ~ 7 days, bait is biological live bait, as wheel animalcule, cladocera etc.
As preferably, step 4. in, parent population selected for 6 ages, body weight 8-10kg/ tail, and 3-4 couple is put in every pond in a suitable place to breed.
As preferably, step 7. in, incubation temperature controls 21 DEG C-22 DEG C.
Beneficial effect: the natural propagation method of a kind of dragon design spot of the present invention, creates a kind of natural propagation method of dragon design spot in China, for large-scale cultivation provides a large amount of seed.
Accompanying drawing explanation
Fig. 1 is parent population fish Nest architecture schematic diagram of the present invention.
Embodiment
Below in conjunction with concrete case study on implementation, the present invention will be described in detail.
Embodiment 1:
A natural propagation method for dragon design spot, comprises the following steps:
1. insulation parent fish rearing pond is built
Pond, shale, area 8 × 10 ㎡, dark 2.5m, pond has double layer hollow plastic tunnel, frame height 2.5m, and natural lighting is sufficient, and temperature keeps more than 15 DEG C.
2. parent population cultivate water and biological feed is cultivated
Parent fish rearing pond dregs of beans carries out rich water, and cultivate aquatile, algae, wheel animalcule, cladocera, be hung in water by dregs of beans technology for woven plastic packing rear overhang, and every pond 30kg throws in freshwater shrimp, silver carp seed, Odontobutis obscura simultaneously, builds biological feed food chain.
3. parent population fish nest is set
Select grey dark-coloured PVC, as shown in Figure 1, diameter 500mm, length 1200mm, wall thickness 5mm, fish nest respectively installs two stands below two ends to parent population fish Nest architecture size, the long 250mm of support, wide 50mm, is evenly safely placed in bottom pond, 7 ~ 11, every pond.
4. parent population is cultivated
Annual late November select 5 age body weight 7-8kg/ tail, the parent population that physical health, reaction are quick, puts parent fish rearing pond in a suitable place to breed, 5, every pond raun, 6 milters.Parent fish rearing pond temperature remains on more than 15 DEG C, and dissolved oxygen keeps 7 ~ 9mg/L.Parent population is put increasing of fixed place and time rear every day in a suitable place to breed and throws beef liver, vitamin, trace mineral element.Beef liver feeding volume every day is the 2-3% of parent population body weight.Vitamin, trace mineral element, make heavy property particulate material and beef liver is thrown something and fed simultaneously.
5. increase current and stimulate gonad development
A jet aerator is installed in each parent fish rearing pond, power 3.5kw.Late November to next year by the end of March, flow rate of water flow 0.3m/s.At the beginning of 4 months ~ and the first tenday period of a month in May, regulate jet aerator power, flow rate of water flow 0.6m/s, utilize current to stimulate parent population gonad development, oestrus, lay eggs.
6. lay eggs and collect fertilized egg
In the first tenday period of a month in May, when water temperature rises to more than 20 DEG C, under sunlight, current stimulate, the parent population of gonadal maturation looks for even pairing, natural spawning of oestrusing, and guarantees fertilization time 4 hours, and in parent fish rearing pond, the water flows gently locates, and collects fertilized egg with bucket.
7. incubating oosperm
To collect fertilized egg to put into hatching pail and hatch, incubation temperature controls at 20 DEG C, and PH is 7.5.
8. larvae cultivation
After fertilization and hatching, prelarva is thrown something and fed after hatching 2 days yolk, and proceed to fry rearing pond after 5 days, bait is biological live bait, as wheel animalcule, cladocera etc.
Embodiment 2: a kind of natural propagation method of dragon design spot, is characterized in that comprising the following steps:
1. insulation parent fish rearing pond is built
Pond, shale, area 8 × 10 ㎡, dark 2.5m, pond has double layer hollow plastic tunnel, frame height 3.5m, and natural lighting is sufficient, and temperature keeps more than 15 DEG C.
2. parent population biological feed is cultivated
Parent fish rearing pond dregs of beans carries out rich water, and cultivate aquatile, algae, wheel animalcule, cladocera, be hung in water by dregs of beans technology for woven plastic packing rear overhang, and every pond 30kg throws in freshwater shrimp, silver carp seed, Odontobutis obscura simultaneously, builds biological feed food chain.
3. parent population fish nest is set
Select grey dark-coloured PVC, as shown in Figure 1, diameter 500mm, length 1200mm, wall thickness 5mm, fish nest respectively installs two stands below two ends to parent population fish Nest architecture size, the long 260mm of support, wide 50mm, is evenly safely placed in bottom pond, 7, every pond.
4. parent population is cultivated
Annual late November select 6 age body weight 8-10kg/ tail, the parent population that physical health, reaction are quick, puts parent fish rearing pond in a suitable place to breed, 3, every pond raun, 4 milters.Parent fish rearing pond temperature remains on more than 15 DEG C, and dissolved oxygen keeps 7 ~ 9mg/L.Parent population is put increasing of fixed place and time rear every day in a suitable place to breed and throws beef liver, vitamin, trace mineral element.Beef liver feeding volume every day is the 2-3% of parent population body weight.Vitamin, trace mineral element, make heavy property particulate material and beef liver is thrown something and fed simultaneously.
5. increase current and stimulate gonad development
A jet aerator is installed in each parent fish rearing pond, power 3.5w.Late November to next year by the end of March, flow rate of water flow 0.5m/s.At the beginning of 4 months ~ and the first tenday period of a month in May, regulate jet aerator power, flow rate of water flow 0.8m/s, utilize current to stimulate parent population gonad development, oestrus, lay eggs.
6. lay eggs and collect fertilized egg
In the first tenday period of a month in May, when water temperature rises to more than 20 DEG C, under sunlight, current stimulate, the parent population of gonadal maturation looks for even pairing, natural spawning of oestrusing, and guarantees fertilization time 5 hours, and in parent fish rearing pond, the water flows gently locates, and collects fertilized egg with bucket.
7. incubating oosperm
To collect fertilized egg to put into hatching pail and hatch, incubation temperature controls at 24 DEG C, and PH is 8.5.
8. larvae cultivation
After fertilization and hatching, prelarva is thrown something and fed after hatching 3 days yolk, and proceed to fry rearing pond after 7 days, bait is biological live bait, as wheel animalcule, cladocera etc.
Embodiment 3: a kind of natural propagation method of dragon design spot, is characterized in that comprising the following steps:
1. insulation parent fish rearing pond is built
Pond, shale, area 8 × 10 ㎡, dark 2.5m, pond has double layer hollow plastic tunnel, frame height 3m, and natural lighting is sufficient, and temperature keeps more than 15 DEG C.
2. parent population biological feed is cultivated
Parent fish rearing pond dregs of beans carries out rich water, and cultivate aquatile, algae, wheel animalcule, cladocera, be hung in water by dregs of beans technology for woven plastic packing rear overhang, and every pond 30kg throws in freshwater shrimp, silver carp seed, Odontobutis obscura simultaneously, builds biological feed food chain.
3. parent population fish nest is set
Select grey dark-coloured PVC, as shown in Figure 1, diameter 500mm, length 1200mm, wall thickness 5mm, fish nest respectively installs two stands below two ends to parent population fish Nest architecture size, the long 250mm of support, wide 50mm, is evenly safely placed in bottom pond, 11, every pond.
4. parent population is cultivated
Annual late November select 5 age body weight 7-8kg/ tail, the parent population that physical health, reaction are quick, puts parent fish rearing pond in a suitable place to breed, 5, every pond raun, 6 milters.Parent fish rearing pond temperature remains on more than 15 DEG C, and dissolved oxygen keeps 7 ~ 9mg/L.Parent population is put increasing of fixed place and time rear every day in a suitable place to breed and throws beef liver, vitamin, trace mineral element.Beef liver feeding volume every day is the 3-5% of parent population body weight.Vitamin, trace mineral element, make heavy property particulate material and beef liver is thrown something and fed simultaneously.
5. increase current and stimulate gonad development
A jet aerator is installed in each parent fish rearing pond, power 3.5kw.Late November to next year by the end of March, flow rate of water flow 0.4m/s.At the beginning of 4 months ~ and the first tenday period of a month in May, regulate jet aerator power, flow rate of water flow 0.7m/s, utilize current to stimulate parent population gonad development, oestrus, lay eggs.
6. lay eggs and collect fertilized egg
In the first tenday period of a month in May, when water temperature rises to more than 20 DEG C, under sunlight, current stimulate, the parent population of gonadal maturation looks for even pairing, natural spawning of oestrusing, and guarantees fertilization time 4.5 hours, and in parent fish rearing pond, the water flows gently locates, and collects fertilized egg with bucket.
7. incubating oosperm
To collect fertilized egg to put into hatching pail and hatch, incubation temperature controls at 22 DEG C, and PH is 8.
8. larvae cultivation
After fertilization and hatching, prelarva is thrown something and fed after hatching 2.5 days yolk, and proceed to fry rearing pond after 6 days, bait is biological live bait, as wheel animalcule, cladocera etc.
Claims (3)
1. a natural propagation method for dragon design spot, is characterized in that: comprise the following steps:
1. insulation parent fish rearing pond is built:
Pond, shale, area 8 × 10 ㎡, dark 2.5m, pond has double layer hollow plastic tunnel, frame height 2.5-3.5m, and natural lighting is sufficient, and temperature keeps more than 15 DEG C;
2. parent population biological feed is cultivated:
Parent fish rearing pond dregs of beans carries out rich water, cultivates aquatile: algae, wheel animalcule, cladocera, be hung in water by dregs of beans technology for woven plastic packing rear overhang, and every pond 30kg throws in freshwater shrimp, silver carp seed, Odontobutis obscura simultaneously, builds biological feed food chain;
3. parent population fish nest is set:
Select grey dark-coloured PVC, parent population fish Nest architecture size: diameter 500mm, length 1200mm, wall thickness 5mm, fish nest respectively installs two stands below two ends, the long 300mm of support, wide 50mm, is evenly safely placed in bottom pond, 7 ~ 11, every pond;
4. parent population is cultivated:
Annual late November select 5 ~ 6 age body weight 7 ~ 10kg/ tail, the parent population 3-6 couple that physical health, reaction are quick, puts parent fish rearing pond in a suitable place to breed; Parent fish rearing pond temperature remains on more than 15 DEG C, and dissolved oxygen keeps 7 ~ 9mg/L; Parent population is put increasing of fixed place and time rear every day in a suitable place to breed and throws beef liver, vitamin, trace mineral element; Beef liver feeding volume every day is the 2-3% of parent population body weight; Vitamin, trace mineral element, make heavy property particulate material and beef liver is thrown something and fed simultaneously;
5. increase current and stimulate gonad development:
A jet aerator is installed in each parent fish rearing pond, and power 3.5kw can form the current of 0.3 ~ 0.8m/s; Late November to next year by the end of March, flow rate of water flow 0.3 ~ 0.5m/s; At the beginning of 4 months ~ and the first tenday period of a month in May, regulate jet aerator power, flow rate of water flow 0.6 ~ 0.8m/s, utilize current to stimulate parent population gonad development, oestrus, lay eggs;
6. lay eggs and collect fertilized egg:
In the first tenday period of a month in May, when water temperature rises to more than 20 DEG C, under sunlight, current stimulate, the parent population of gonadal maturation looks for even pairing, natural spawning of oestrusing, and guarantees fertilization time 4 ~ 5 hours, and in parent fish rearing pond, the water flows gently locates, and collects fertilized egg with bucket;
7. incubating oosperm:
To collect fertilized egg to put into hatching pail and hatch, incubation temperature controls at 20 ~ 24 DEG C, PH7.5 ~ 8.5;
8. larvae cultivation:
After fertilization and hatching, prelarva is thrown something and fed after hatching 2 ~ 3 days yolk, and proceed to fry rearing pond after 5 ~ 7 days, bait is biological live bait.
2. the natural propagation method of dragon design spot as claimed in claim 1, is characterized in that: step 4. in, parent population selected for 6 ages, body weight 8-10kg/ tail, and 3-4 couple is put in every pond in a suitable place to breed.
3. the natural propagation method of dragon design spot as claimed in claim 1, is characterized in that: step 7. in, incubation temperature controls 21 DEG C-22 DEG C.
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CN105706971B (en) * | 2016-02-19 | 2018-09-04 | 福建省农业科学院中心实验室 | The cultural method of Australia dragon design spot fry |
CN109122449A (en) * | 2017-06-19 | 2019-01-04 | 乔惠文 | A kind of swamp eel fish nest setting |
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CN1915007A (en) * | 2006-09-12 | 2007-02-21 | 河北农业大学 | Production method of summer fingerlings of Trachidermus fasciatus |
CN101081010A (en) * | 2007-07-11 | 2007-12-05 | 中国水产科学研究院珠江水产研究所 | Scale breeding method of jade perch |
CN102318576A (en) * | 2011-08-29 | 2012-01-18 | 山东裕海渔业良种有限公司 | The omnidistance seawater mating system of Sungkiang weever |
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2014
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CN1915007A (en) * | 2006-09-12 | 2007-02-21 | 河北农业大学 | Production method of summer fingerlings of Trachidermus fasciatus |
CN101081010A (en) * | 2007-07-11 | 2007-12-05 | 中国水产科学研究院珠江水产研究所 | Scale breeding method of jade perch |
CN102318576A (en) * | 2011-08-29 | 2012-01-18 | 山东裕海渔业良种有限公司 | The omnidistance seawater mating system of Sungkiang weever |
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