CN113100127A - Photochromic and photochromic intensive control method for industrial aquaculture of rainbow trout - Google Patents
Photochromic and photochromic intensive control method for industrial aquaculture of rainbow trout Download PDFInfo
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- CN113100127A CN113100127A CN202110464555.1A CN202110464555A CN113100127A CN 113100127 A CN113100127 A CN 113100127A CN 202110464555 A CN202110464555 A CN 202110464555A CN 113100127 A CN113100127 A CN 113100127A
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 20
- 244000144974 aquaculture Species 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 18
- 241001327682 Oncorhynchus mykiss irideus Species 0.000 title 1
- 238000005286 illumination Methods 0.000 claims abstract description 62
- 241000277275 Oncorhynchus mykiss Species 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 241001465754 Metazoa Species 0.000 abstract description 7
- 241000251468 Actinopterygii Species 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000009395 breeding Methods 0.000 description 5
- 230000001488 breeding effect Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 230000033764 rhythmic process Effects 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 2
- 230000026109 gonad development Effects 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000027288 circadian rhythm Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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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
- A01K61/10—Culture of aquatic animals of fish
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention belongs to the field of aquaculture, and provides a method for regulating illumination intensity and light color for rainbow trout industrial culture, aiming at the problem that the method for providing single illumination intensity and light color for cultured animals is not scientific under the industrial culture condition. The quasi-daylight color change is that the longer wavelength light color is achieved by the shorter wavelength light color period and the longer wavelength light color period, and then the quasi-daylight color change returns to the shorter wavelength light color period by the longer wavelength light color period; the change of the quasi-sunlight illumination intensity is realized by a weaker illumination intensity period, reaching stronger illumination intensity after a slightly stronger illumination intensity period, and then returning to the weaker illumination intensity period through slightly stronger illumination intensity. The rainbow trout cultivated by the method of the invention can lead the cultivated fish to grow faster and save more feed.
Description
Technical Field
The invention belongs to the field of aquaculture, and particularly relates to a photochromic and photochromic intensive control method for industrial aquaculture of rainbow trout.
Background
The industrial aquaculture is an intensive culture mode with less land, less water consumption and less pollution discharge. The environmental regulation and control of industrial aquaculture is the key for ensuring the fast growth and high-efficiency utilization of feed for the cultured animals. Besides water and dissolved oxygen, illumination is a key factor in industrial aquaculture systems. The illumination includes illumination period, illumination intensity and light color (spectrum), and the illumination of natural water body has variation of season and daily rhythm. Seasonal variation exists in the illumination period, and the influence on the growth of fishes, gonad development and the like is obvious. In practice, people can improve the growth speed of the cultured fishes and inhibit or promote the gonad development of the cultured fishes by adjusting the illumination period. However, due to the law of Sheffield animal tolerance, it is common in industrial aquaculture to cultivate aquatic animals with a certain "suitable" constant light intensity or light color.
During daytime, the illumination intensity of the sun and the angle of sunlight incident on natural water are constantly changing, so that the vertical distribution of the illumination intensity and the light color in the water is also constantly changing. The aquatic animals should have adapted to the changing rhythm of light intensity and light color in the quasi-solar cycle in the course of long-term evolution. Therefore, providing a single illumination intensity and light color for breeding animals under industrial breeding conditions is not a scientific breeding technique.
Disclosure of Invention
The invention aims to provide a light intensity and light color regulation and control method for industrial aquaculture of rainbow trout, which creates a better growth environment for the aquaculture of rainbow trout by providing the conditions of regular illumination intensity and light color change every day, so that the cultured animals grow faster, feed is saved, and a culture system saves more energy.
The technical scheme of the invention is as follows:
a photochromic and photochromic intensity control method for rainbow trout industrial culture divides the illumination culture time of each day into at least 5 time periods with equal time length, and performs quasi-daylight color and quasi-daylight illumination intensity adjustment on the illumination of culture water; the quasi-daylight color change is that the longer wavelength light color is achieved in the shorter wavelength light color period and the longer wavelength light color period, and then the quasi-daylight color change returns to the shorter wavelength light color period in the longer wavelength light color period; the change of the quasi-sunlight illumination intensity is realized by a weaker illumination intensity period, reaching stronger illumination intensity after a slightly stronger illumination intensity period, and then returning to the weaker illumination intensity period through slightly stronger illumination intensity.
Furthermore, the daily illumination cultivation time of the cultivation water body is divided into A, B, C, D, E five time periods with equal duration in sequence, wherein the A time period and the E time period adopt blue light with shorter wavelength, the B time period and the D time period adopt yellow light with slightly longer wavelength, and the C time period adopts red with longer wavelength; the illumination intensity of the water body middle layer in the periods A and E is 500-.
Further, the illumination intensity of the water body middle layer in the time periods A and E is 550-.
Further, the illumination intensity of the middle layer of the water body in the periods A and E is 600Lx, the illumination intensity of the middle layer of the water body in the periods B and D is 800Lx, and the illumination intensity of the middle layer of the water body in the period C is 1000 Lx.
Further, the illumination in the period A is gradually turned on, and the illumination in the period E is gradually turned off.
Further, the light cycle was 24 hours, with 15 hours light and 9 hours dark.
Further, an LED lamp is used as a light source.
The method for culturing the rainbow trout has the characteristics of easy realization of automatic control, quick growth of cultured fishes, feed saving, energy saving and the like.
Drawings
FIG. 1 is a schematic diagram of illumination adjustment of rainbow trout industrial aquaculture.
Detailed Description
Example Rainbow trout cultivation experiment
Experimental groups: the initial weight of the culture was 34.7 g.
The illumination period of the aquaculture water body is 24 hours, wherein 15 hours of illumination are carried out, 9 hours of darkness are carried out, the illumination time is divided into A, B, C, D, E5 time periods, and as shown in figure 1, the duration of each time period is 3 hours. Wherein the periods A and E use blue light of shorter wavelength, the periods B and D use yellow light of longer wavelength, and the period C uses red light of longer wavelength. The illumination intensity of the middle layer of the aquaculture water body is as follows: the illumination intensity was 600Lx in periods A and E, 800Lx in periods B and D, and 1000Lx in period C.
After 16 weeks of experiments, the weight of the cultured powder is increased to 264.78-295.74g, the survival rate is 92.5-97.50%, and the feed conversion rate is 0.96-1.04.
Control group: white light illumination is adopted, and other conditions are the same as those of the experimental group. The initial weight of the breeding is 34.7g, and the final weight of the breeding is 277.32 g.
Experiments show that the growth rate of the rainbow trout is 2.33%/day under the condition of utilizing the light color of the pseudo-solar rhythm, and the growth rate of the rainbow trout is 2.17%/day under the condition of always using white light. Therefore, the light color regulation method of the circadian rhythm can improve the growth rate by 7 percent.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A photochromic and photochromic intensity control method for rainbow trout industrial culture is characterized in that the illumination culture time of each day is divided into at least 5 time periods with equal time duration, and the illumination of culture water is subjected to quasi-daylight color and quasi-daylight illumination intensity adjustment; the quasi-daylight color change is that the longer wavelength light color is achieved in the shorter wavelength light color period and the longer wavelength light color period, and then the quasi-daylight color change returns to the shorter wavelength light color period in the longer wavelength light color period; the change of the quasi-sunlight illumination intensity is realized by a weaker illumination intensity period, reaching stronger illumination intensity after a slightly stronger illumination intensity period, and then returning to the weaker illumination intensity period through slightly stronger illumination intensity.
2. The method for controlling photochromic and photochromic emphasis in rainbow trout industrial aquaculture as claimed in claim 1, wherein the aquaculture time of aquaculture water per day is sequentially divided into A, B, C, D, E five equal-duration periods, wherein the periods A and E use blue light with shorter wavelength, the periods B and D use yellow light with longer wavelength, and the period C uses red light with longer wavelength; the illumination intensity of the water body middle layer in the periods A and E is 500-.
3. The photochromic and photo-intensity control method for industrial aquaculture of rainbow trout as claimed in claim 2, wherein the illumination intensity of the layer in the water body in the time periods A and E is 550-.
4. The photochromic and photo-intensity controlling method for industrial aquaculture of rainbow trout as claimed in claim 2, wherein the intensity of illumination of the middle layer in the water body during the time periods A and E is 600Lx, the intensity of illumination of the middle layer in the water body during the time periods B and D is 800Lx, and the intensity of illumination of the middle layer in the water body during the time period C is 1000 Lx.
5. The method for photochromic and optically intensive control of rainbow trout in factory culture according to claim 2, wherein the illumination during period A is gradually turned on and the illumination during period E is gradually turned off.
6. The method for controlling photochromic and photochromic intensities in factory culture of rainbow trout as claimed in any one of claims 1 to 5, wherein the illumination period is 24 hours, wherein the illumination period is 15 hours and the illumination period is 9 hours.
7. The method for the factory aquaculture of rainbow trout of claim 6, wherein LED lamps are used as light sources.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464555.1A CN113100127B (en) | 2021-04-28 | 2021-04-28 | Photochromic and photochromic intensive control method for industrial aquaculture of rainbow trout |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464555.1A CN113100127B (en) | 2021-04-28 | 2021-04-28 | Photochromic and photochromic intensive control method for industrial aquaculture of rainbow trout |
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| CN113100127A true CN113100127A (en) | 2021-07-13 |
| CN113100127B CN113100127B (en) | 2022-03-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114304007A (en) * | 2022-01-12 | 2022-04-12 | 宁波大学 | Industrial recirculating aquaculture method for rainbow trout |
| CN115136908A (en) * | 2022-06-21 | 2022-10-04 | 佛山电器照明股份有限公司 | Culture method and culture system for improving growth rate of fish |
| CN116058308A (en) * | 2023-03-06 | 2023-05-05 | 湖南师范大学 | Catfish breeding method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114304007A (en) * | 2022-01-12 | 2022-04-12 | 宁波大学 | Industrial recirculating aquaculture method for rainbow trout |
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| CN115136908A (en) * | 2022-06-21 | 2022-10-04 | 佛山电器照明股份有限公司 | Culture method and culture system for improving growth rate of fish |
| CN116058308A (en) * | 2023-03-06 | 2023-05-05 | 湖南师范大学 | Catfish breeding method |
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| CN113100127B (en) | 2022-03-22 |
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