CN110771534B - Lighting system and diurnal livestock raising method - Google Patents
Lighting system and diurnal livestock raising method Download PDFInfo
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- CN110771534B CN110771534B CN201910612694.7A CN201910612694A CN110771534B CN 110771534 B CN110771534 B CN 110771534B CN 201910612694 A CN201910612694 A CN 201910612694A CN 110771534 B CN110771534 B CN 110771534B
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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
- A01K45/00—Other aviculture appliances, e.g. devices for determining whether a bird is about to lay
-
- 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
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- General Engineering & Computer Science (AREA)
- Birds (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
Provided is a lighting system capable of effectively increasing the weight of diurnal poultry. The lighting system (10) is used for raising diurnal poultry. The lighting system (10) is provided with: a light source unit (22) that emits first light having an emission peak wavelength of 560nm to 590nm inclusive and second light having an emission peak wavelength of 450nm to 490nm inclusive; and a control unit (31) that controls the light source unit (22) so as to irradiate the first light onto the feeding area (70) of diurnal poultry during the early breeding period and to irradiate the first light and the second light onto the feeding area (70) during the late breeding period.
Description
Technical Field
The present invention relates to an illumination system for raising diurnal poultry and a method for raising diurnal poultry.
Background
The chicken industry is constantly progressing not only in japan but also in various countries throughout the world. For example, patent document 1 discloses a breeding method in which lighting in a chicken house is turned on at the initial stage of breeding and gradually turned off at the time of shipment.
(Prior art document)
(patent document)
In raising diurnal poultry such as broiler chickens for eating meat, it is desired that diurnal poultry can be effectively increased in weight.
Disclosure of Invention
The invention provides an illumination system capable of effectively increasing the weight of diurnal poultry, and a method for raising diurnal poultry.
A lighting system according to an aspect of the present invention is a lighting system for raising diurnal poultry, the lighting system including: a light source unit that emits first light having an emission peak wavelength of 560nm to 590nm inclusive and second light having an emission peak wavelength of 450nm to 490nm inclusive; and a control unit that controls the light source unit so as to irradiate the first light to a breeding area of the diurnal poultry in an early breeding stage and to irradiate the first light and the second light to the breeding area in a later breeding stage.
A method for raising diurnal poultry according to an aspect of the present invention is a method for raising diurnal poultry, including irradiating a first light having an emission peak wavelength of 560nm to 590nm inclusive and irradiating a second light having an emission peak wavelength of 450nm to 490nm inclusive, to a raising area of the diurnal poultry in an early stage of breeding, by using a light source unit that emits the first light and the second light.
By the lighting system and the method for feeding diurnal poultry according to the present invention, diurnal poultry can be grown efficiently.
Drawings
Fig. 1 shows an outline of a lighting system according to an embodiment.
Fig. 2 is a block diagram showing a functional configuration of the lighting system according to the embodiment.
Fig. 3 shows a first example of the emission spectrum of the breeding light.
Fig. 4 shows a second example of the emission spectrum of the breeding light.
Fig. 5 shows a first example of the emission spectrum of blue light emitted by a blue light source.
Fig. 6 shows a second example of the emission spectrum of blue light emitted by a blue light source.
Fig. 7 shows an example of an emission spectrum of white light emitted from a white light source.
Fig. 8 is a schematic diagram illustrating light emission control according to embodiment 1.
Fig. 9 is a schematic diagram illustrating light emission control according to embodiment 2.
Fig. 10 is a schematic diagram illustrating light emission control according to embodiment 3.
Fig. 11 is a schematic diagram illustrating light emission control according to comparative example 1.
Fig. 12 is a schematic diagram illustrating light emission control according to comparative example 2.
Fig. 13 is a first diagram showing the shift of the weight of the chicken.
Fig. 14 is a second view showing the change in the weight of the chicken (an enlarged view of the second half of the first view).
Fig. 15 is a flowchart of light emission control in embodiment 2.
Fig. 16 is a schematic diagram illustrating light emission control according to modification 1 of embodiment 2.
Fig. 17 is a schematic diagram illustrating light emission control according to modification 2 of embodiment 2.
Fig. 18 is a view showing a light emission control mode according to modification 3 of embodiment 2.
Fig. 19 is a schematic diagram illustrating light emission control according to modification 4 of embodiment 2.
Fig. 20 is a schematic diagram illustrating light emission control according to modification 5 of embodiment 2.
Detailed Description
The embodiments are described below with reference to the drawings. The embodiments described below are all general or specific examples. The numerical values, shapes, materials, constituent elements, arrangement positions and connection forms of the constituent elements, steps, order of the steps, and the like shown in the following embodiments are merely examples, and the present invention is not limited thereto. Further, among the components of the following embodiments, components that are not described in the independent claims will be described as arbitrary components.
The figures are schematic, not strictly schematic. In the drawings, substantially the same components are denoted by the same reference numerals, and redundant description thereof will be omitted or simplified.
In the following embodiments, the expression "identical" does not mean exact identity, but means substantially identical. For example, a case where there is an error of about several percent is also included in the range of "the same". The same is true for the expression "fixed".
(embodiment mode)
[ constitution ]
First, the configuration of the illumination system according to the embodiment will be described. Fig. 1 shows an outline of a lighting system according to an embodiment. Fig. 2 is a block diagram showing a functional configuration of the lighting system according to the embodiment.
As shown in fig. 1, the lighting system 10 according to the embodiment is a lighting system for raising diurnal poultry, and the lighting system 10 is more specifically a lighting system for raising chickens. The lighting system 10 is for example arranged in a chicken house 60. As shown in fig. 1 and 2, the lighting system 10 includes a lighting device 20 and a control device 30. The respective apparatuses will be described in detail below.
[ Lighting device ]
First, the lighting device 20 will be described in detail. The lighting device 20 is installed on the ceiling of the henhouse 60, and illuminates the inside of the henhouse 60. At least one or a plurality of lighting devices 20 may be provided on the ceiling of the chicken house 60. Specifically, the lighting device 20 irradiates light to the breeding area 70 (the floor of the chicken house 60) where a large number of chickens are bred. Accordingly, the chickens in the chicken house 60 are irradiated with light.
The chicken breeds to be raised in the chicken house 60 may be, for example, broilers (more specifically, ross, kobao, or elaeagnus canadensis), so-called local chickens, or other breeds.
The lighting device 20 includes a dimming circuit 21 and a light source unit 22. The light control circuit 21 is a circuit that supplies power to the light source unit 22 in accordance with a control signal output from the control device 30 (control unit 31). The dimming circuit 21 includes, for example, a chopper control circuit. The control section 31 changes the current supplied to the light source section 22 by switching a switching element included in the light control circuit 21 (chopper control circuit) by a control signal. The light control circuit 21 can supply power (current) independently of each of the light sources 22g, 22b, and 22w of the light source unit 22.
The growth light source 22g of the light source section 22 emits light having an emission peak wavelength of 560nm to 590nm, for example. Hereinafter, the light is also referred to as a breeding light. The breeding light is an example of the first light, and is, for example, monochromatic light. The generated light may be specifically green light (yellowish green light) having an emission peak wavelength of 560nm to 570nm inclusive, or yellow light having an emission peak wavelength of 570nm to 590nm inclusive. The light generated has no emission peak in the wavelength range of 505nm to 545 nm. Fig. 3 and 4 show examples of emission spectra of the breeding light.
The breeding light source 22g is specifically a light emitting module using LEDs configured to emit the breeding light, and the specific form of the breeding light source 22g is not particularly limited.
The blue light source 22b of the light source section 22 is a light source that emits blue light. The blue light source 22b emits blue light (monochromatic light) having an emission peak wavelength of 450nm to 495nm, for example. Fig. 5 and 6 show examples of emission spectra of blue light emitted from the blue light source 22 b. Blue light is an example of second light having a different chromaticity from the first light. The blue light source 22b is specifically a light emitting module using a blue LED, but the specific form of the blue light source 22b is not particularly limited.
The white light source 22w of the light source unit 22 is a light source using, for example, an LED, and emits white light. White light is another example of second light having a different chromaticity from the first light. Fig. 7 shows an example of the emission spectrum of white light emitted from the white light source 22 w.
The white light emitted from the white light source 22w may be white on the black body locus or white outside the black body locus. The color temperature of the white light emitted from the white light source 22w is not particularly limited. In an embodiment, the white light source 22w emits white light having a relatively high color temperature of 5000K to 8000K inclusive.
The white light source 22w is specifically a light emitting module of a COB (Chip On Board) type or a light emitting module of an SMD (Surface Mount Device) type. The white light source 22w may be a separate phosphor type light emitting module. The white light source 22w may be an incandescent lamp or a fluorescent lamp, etc.
In this way, the illumination device 20 (light source section 22) emits the generated light having an emission peak wavelength of 555nm to 595nm, and blue light or white light having a chromaticity different from that of the generated light.
[ control device ]
Next, the control device 30 will be explained. The control device 30 is a controller that controls one or more lighting devices 20. The control device 30 includes: a control unit 31, a storage unit 32, and a timer unit 33.
The control unit 31 controls the light source unit 22 of the illumination device 20. Specifically, the control unit 31 can independently control the growth light source 22g, the blue light source 22b, and the white light source 22 w. That is, the control unit 31 can selectively irradiate the breeding light, the blue light, and the white light to the feeding area 70. The control of the control unit 31 includes lighting, lighting-off, and dimming (adjustment of luminance in a lighting state).
Specifically, the control unit 31 is configured by a DMX control circuit (light control circuit) for controlling the light output of the light source unit 22, and the like. The control unit 31 may be constituted by a processor, a microcomputer, or the like.
The storage unit 32 is a storage device that stores a control program executed by the control unit 31 when the control unit 31 includes a processor, a microcomputer, or the like. The storage unit 32 is implemented by, for example, a semiconductor memory.
The timer 33 measures time. The timer unit 33 measures, for example, the current date and time (including the year, month, and day). The timer unit 33 is specifically a timer circuit, a real-time clock IC, or the like, and may have another form. Time information indicating the time measured by the timer unit 33 is output to the control unit 31, and the control unit 31 controls the light source unit 22 in accordance with the time measured by the timer unit 33.
[ example 1]
The inventors have found that, during the rearing of chickens, the weight gain of chickens can be promoted by irradiating the rearing area 70 with light having an emission peak wavelength of 560nm to 590 nm. Embodiments 1 to 3 and comparative examples 1 and 2 will be described in detail below with the lighting system 10. Fig. 8 is a schematic diagram illustrating light emission control according to embodiment 1.
In fig. 8, the vertical axis represents light intensity (p.d.u.). The light intensity is an example of an index indicating the luminance of the light source unit 22. 1(p.d.u.) is the light intensity corresponding to an incandescent lamp 1lx (lux) in the eye of a chicken. In fig. 8, the horizontal axis shows the growth period (days).
First, the birth period will be described. The growing period of broiler chickens for eating meat is generally about 49 days. In an embodiment, the period of 3 weeks from the start of growth (from day 0 and thereafter to day 21) in the 49-day growth period is defined as the pre-growth period. The week age of chickens was 1 from day 0 and thereafter to day 7, 2 from day 8 and thereafter to day 14, and 3 from day 15 and thereafter to day 21.
In addition, the period of 4 weeks after the pre-incubation period (from day 22 to day 49) in the incubation period was defined as the post-incubation period. The week ages of chickens were 4 from day 22 and later to day 28, 5 from day 29 and later to day 35, 6 from day 36 and later to day 42, and 7 from day 42 and later to day 49.
In addition, the starting point (0 day) of the growth period may be 2 days or 3 days after the birth of the chick. For example, the weight of the broiler chickens at the starting point of the growing period is about 40g, and the weight of the broiler chickens at the end of the growing period is about 3000 g.
The boundary between the early and late stages of growth need not be as stringent as described above, and may be, for example, within the range from 19 th day to 24 th day of the growth period. The term of the term. That is, the growth period may be a period of flow.
Next, the light emission control in example 1 will be described. As shown in FIG. 8, in example 1, at least the breeding light is irradiated to the breeding area 70 in the early breeding stage, and blue light is selectively irradiated to the breeding area 70 in the late breeding stage. The breeding light is light emitted from the breeding light source 22g, and the blue light is light emitted from the blue light source 22 b. The average light intensity of the light for incubation in the pre-incubation period differs depending on the period, and the average light intensity of the blue light in the post-incubation period is about 10 (p.d.u.).
In example 1, the early growth stage is divided into three periods, i.e., a period T11, a period T12, and a period T13. In example 1, the average light intensity of the breeding light in the period T11 was about 20(p.d.u.), and the average light intensity of the breeding light in the period T12 following the period T11 was about 10 (p.d.u.). In embodiment 1, the average light intensity in the period T11 is 1.4 times or more the average light intensity in the period T12.
In addition, hereinafter, the light emission control performed in the period T11 is also referred to as "boosting light emission control", and a period in which the boosting light emission control is performed is also referred to as "boosting period". The light emission control performed during the period T12 is also referred to as normal light emission control.
In this way, in example 1, the control unit 31 irradiates the raising area 70 with the raising light of the first luminance (light intensity in the period T11), and then irradiates the raising area 70 with the raising light of the second luminance (light intensity in the period T12) darker than the first luminance. The first luminance is 1.4 times or more brighter than the second luminance.
In example 1, the period T11 is a 3-day period from day 0 to day 3. In example 1, the period T12 is a period of 6 days from day 4 to day 9. Thus, the length of the period during which the breeding light of the first luminance is irradiated on the breeding region 70 is shorter than the length of the period during which the breeding light of the second luminance is irradiated on the breeding region 70.
A period T13 following the period T12 is a period (adaptation period) from the environment in which the chicken is irradiated with the breeding light to the environment in which blue light is irradiated. The period T13 is an example of the first object period. In the period T13, blue light is irradiated in addition to the grow light. I.e. the light resulting from the mixing of the generated light and the blue light. The period T13 is a 12-day period from day 10 to day 21 in example 1. The light emission control performed in the period T13 will be also referred to as mixed light emission control hereinafter.
In the period T13, the breeding light and the blue light are irradiated with an average light intensity of the breeding light and the blue light being 10(p.d.u.) or so. For example, the light intensity of the breeding light decreases with the passage of time, and the light intensity of the blue light increases with the passage of time. During the period T13, the generated light and the blue light may be irradiated in a certain ratio (e.g., 1 to 1).
[ example 2]
Next, the light emission control in example 2 will be described. Fig. 9 is a schematic diagram illustrating light emission control according to embodiment 2.
In example 2, the pre-growth period is divided into 2 periods, i.e., a first period T21 and a second period T22 following the first period T21. The first period T21 is, for example, a 9-day period from day 0 to day 9, and the second period T22 is, for example, a 12-day period from day 10 to day 21.
During a first period T21, the breeding light is selectively irradiated to the breeding area 70. The average light intensity of the generated light in the first period T21 is about 10 (p.d.u.).
In the second period T22 and the late growth period, blue light is irradiated in addition to the growth light. I.e. the light resulting from the mixing of the generated light and the blue light.
The average light intensity of the generated light and the average light intensity of the blue light in the second period T22 are about 5(p.d.u.) respectively. The average light intensity of the light for growth in the late growth phase is about 3(p.d.u), and the average light intensity of the blue light in the late growth phase is about 7 (p.d.u).
In example 2, the luminance of the breeding light irradiated to the breeding area 70 is brighter than the second period T22 in the first period T21 and brighter than the late stage of breeding in the second period T22. I.e., the luminance of the generated light becomes dark with the passage of time.
In example 2, the luminance of the blue light irradiated to the feeding area 70 becomes brighter with the passage of time. That is, the luminance of the blue light irradiated to the feeding area 70 is brighter than the second period T22 in the late growth period.
In example 2, the total of the luminance of the light irradiated to the feeding area 70 is almost constant regardless of the period. That is, the brightness of the combination of the first light and the second light applied to the feeding area 70 is the same in the second period T22 and the later growth period.
By the light emission control according to example 2, the light emission control for irradiating the breeding light to both the early stage of breeding and the late stage of breeding can suppress strong light stimulation to the chicken compared with the light emission control for turning off the breeding light during irradiation at a certain time.
[ example 3]
Next, the light emission control according to embodiment 3 will be described. Fig. 10 is a schematic diagram illustrating light emission control according to embodiment 3.
In example 3, at least the breeding light was irradiated to the breeding area 70 in the early stage of breeding, and blue light was selectively irradiated to the breeding area 70 in the late stage of breeding. The average light intensity of the incubation light in the pre-incubation period is almost constant except for the adaptation period. The average light intensity of blue light in the late growth phase is about 10 (p.d.u.).
The light emission control according to embodiment 3 does not provide the enhancement period in the light emission control according to embodiment 1. The light emission control according to embodiment 3 is almost the same as the light emission control according to embodiment 1, except that the enhancement period is not provided. Differences from embodiment 1 will be explained below.
In example 3, the early growth stage is divided into 2 periods of period T31 and period T32. In example 3, the average light intensity of the generated light in the period T31 was about 10 (p.d.u.). The period T31 is, for example, a 9-day period from day 0 to day 9.
In a period T32 subsequent to the period T31, the generated light and the blue light are irradiated so that the average light intensity of the generated light and the blue light together becomes about 10 (p.d.u.). For example, the light intensity of the breeding light decreases with the passage of time, and the light intensity of the blue light increases with the passage of time. The period T32 is, for example, a 12-day period from day 10 to day 21.
Comparative example 1
Next, the light emission control according to comparative example 1 will be described. Fig. 11 is a schematic diagram illustrating light emission control according to comparative example 1.
In comparative example 1, white light emitted from the white light source 22w was irradiated to the feeding area 70 both in the early and late stages of growth. The average light intensity of white light in the early and late stages of growth is about 10 (p.d.u.).
Comparative example 2
Next, the light emission control in comparative example 2 will be described. Fig. 12 is a schematic diagram illustrating light emission control according to comparative example 2.
In comparative example 2, white light from the white light source 22w was irradiated to the breeding region 70 both in the early stage and in the late stage of breeding. The average light intensity of white light in the pre-growth period is about 10(p.d.u.), and the average light intensity of white light in the post-growth period is about 5 (p.d.u.). Thus, comparative example 2 differs from comparative example 1 in that the average light intensity in the late growth period is darker than the average light intensity in the early growth period.
[ development results ]
The weight of the chicken in the case where the light emission control according to examples 1 to 3 and the light emission control according to comparative examples 1 and 2 described above were performed was changed as shown in fig. 13 and 14. Fig. 13 is a first diagram showing the shift of the weight of the chicken. Fig. 14 is a second view showing the change in the weight of the chicken (an enlarged view of the second half of the first view).
Each of the graphs shown in fig. 13 and 14 shows the change in average body weight of a predetermined number of chickens of about several hundred which have grown in an environment where the light emission control shown in the graph is executed. Each graph shown in fig. 13 and 14 shows the relative body weight when the body weight at the start of measurement is regarded as 1. In each of the examples and comparative examples, the environment (the type and amount of feed to chickens, the air-conditioned environment, and the like) other than the lighting in the chicken house 60 was the same.
As shown in fig. 13 and 14, the effect of the largest weight gain of the chickens was obtained by examples 1 and 2 after the completion of the growth period. When the light emission controls according to examples 1 to 3 and the light emission controls according to comparative examples 1 and 2 are arranged in order of high weight gain effect, example 1 and example 2 are almost equal, and the following procedure is example 3, comparative example 2, and comparative example 1.
In this way, by performing light emission control for irradiating breeding light to the breeding area 70 during breeding, the weight of the chickens can be effectively increased as compared with light emission control for not irradiating breeding light to the breeding area 70.
[ details of light emission control in example 2]
The light emission control according to example 2 is supplemented in detail. Fig. 15 is a flowchart of light emission control in embodiment 2.
After the growth period starts, the control unit 31 of the control device 30 first selectively irradiates the growth light to the growth area 70 (S11). Specifically, the control unit 31 causes the breeding light source 22g to emit light so that the average light intensity of the breeding light irradiated to the breeding region 70 is 10 (p.d.u).
Next, the controller 31 determines whether the first period T21 has ended based on the time measured by the timer 33 (S12). That is, the controller 31 determines whether or not to move from the first period T21 to the second period T22.
If the control unit 31 determines that the first period T21 has not ended (no in S12), the irradiation of the growing light is continued (S11). When determining that the first period T21 has ended (yes in S12), the control unit 31 irradiates the generated light and the blue light under the first condition (S13). Specifically, the control unit 31 causes the breeding light source 22g to emit light such that the average light intensity of the breeding light irradiated to the breeding area 70 becomes 5(p.d.u), and causes the blue light source 22b to emit light such that the average light intensity of the blue light irradiated to the breeding area 70 becomes 5 (p.d.u).
Next, the controller 31 determines whether or not the second period T22 has ended based on the time measured by the timer 33 (S14). That is, the control unit 31 determines whether or not to shift from the second period T22 (pre-growth period) to the post-growth period.
If it is determined that the second period T22 has not ended (no in S14), the control unit 31 continues irradiation of the generated light and the blue light based on the first condition (S13). When the controller 31 determines that the second period T22 has ended (yes in S14), the growing light and the blue light are irradiated under the second condition (S15). Specifically, the control unit 31 causes the breeding light source 22g to emit light such that the average light intensity of the breeding light irradiated to the breeding area 70 becomes 3(p.d.u), and causes the blue light source 22b to emit light such that the average light intensity of the blue light irradiated to the breeding area 70 becomes 7 (p.d.u).
Next, the control unit 31 determines whether or not the late growth stage is completed based on the time measured by the timer unit 33 (S16). If the control unit 31 determines that the late growth stage has not ended (no in S16), it continues the irradiation of the growth light and the blue light under the second condition (S15). When the control unit 31 determines that the late growth period is ended (yes in S16), the operation (growth period) is ended.
In this way, the lighting system 10 can effectively increase the weight of the chicken by the light emission control according to embodiment 2. The light emission control according to embodiments 1 and 3 and the light emission control according to modifications 1 to 5 of embodiment 2 described later can be realized by appropriately omitting or changing the processing included in the flowchart of fig. 15, and therefore, a detailed description thereof is omitted.
Example 2 modification 1
In the light emission control according to the above-described embodiment 2, the breeding light is irradiated to the breeding area 70 from the early stage of breeding to the late stage of breeding, and blue light is irradiated to the breeding area 70 in addition to the breeding light at least in the late stage of breeding. The light emission control according to embodiment 2 can be modified within a range satisfying such conditions. A modified example of the light emission control according to example 2 (hereinafter also simply referred to as a modified example) will be described below.
Fig. 16 is a schematic diagram illustrating light emission control according to modification 1. In the light emission control according to modification 1 shown in fig. 16, the average light intensity of blue light in the post-growth period is higher than that in the light emission control according to embodiment 2. Specifically, the average light intensity of blue light in the late growth phase is about 10 (p.d.u). That is, the luminance of the blue light irradiated to the feeding area 70 is brighter than the second period T22 in the late growth period.
In this way, the sum of the brightness of the light irradiated to the feeding area 70 is increased in the later stage of growth as compared with the earlier stage of growth. That is, the luminance of the combination of the first light and the second light applied to the feeding area 70 is brighter than the second period T22 in the late growth period.
Example 2 modification example 2
Fig. 17 is a schematic diagram illustrating light emission control according to modification 2. In the light emission control according to modification 2 shown in fig. 17, the average light intensity of blue light in the late growth period is lower than that in the light emission control according to embodiment 2. Specifically, the average light intensity of blue light in the late growth phase is about 5 (p.d.u). That is, the luminance of the blue light irradiated to the feeding area 70 is the same in the second period T22 and the late growth period.
Thus, the sum of the brightness of the light irradiated to the rearing area 70 is smaller in the late rearing stage than in the early rearing stage. That is, the luminance of the combination of the first light and the second light applied to the feeding area 70 is darker than the second period T22 in the late growth period.
(modification 3 of example 2)
In addition, it is not essential to irradiate blue light in the early stage of growth, and only growth light may be selectively irradiated in the early stage of growth. Fig. 18 is a schematic diagram illustrating light emission control according to modification 3. In the light emission control according to modification 3 shown in fig. 18, only the breeding light is selectively irradiated to the breeding area 70 in the early stage of breeding. The luminance of the breeding light irradiated to the breeding area 70 is fixed in the early stage of breeding. The same light emission control as in example 2 was performed at the late growth stage.
The sum of the brightness of the light applied to the breeding area 70 is the same in the early and late stages of breeding. That is, the luminance of the breeding light irradiated to the breeding area 70 in the early breeding stage is the same as the luminance of the combination of the breeding light irradiated to the breeding area 70 in the late breeding stage and the blue light.
(modification 4 of example 2)
Fig. 19 is a schematic diagram illustrating light emission control according to modification 4. In the light emission control according to modification 4 shown in fig. 19, the average light intensity of blue light in the post-growth period is higher than that in the light emission control according to modification 3. Specifically, the average light intensity of blue light in the late growth phase is about 10 (p.d.u).
In this way, the sum of the brightness of the light irradiated to the feeding area 70 is increased in the later stage of growth as compared with the earlier stage of growth. That is, the luminance of the breeding light and the blue light irradiated to the breeding area 70 in the late stage of breeding is higher than the luminance of the breeding light irradiated to the breeding area 70 in the early stage of breeding.
(modification 5 of example 2)
Fig. 20 is a schematic diagram illustrating light emission control according to modification 5. In the light emission control according to modification 5 shown in fig. 20, the average light intensity of blue light in the post-growth period is lower than that in the light emission control according to modification 3. Specifically, the average light intensity of blue light in the late growth phase is about 5 (p.d.u).
Thus, the sum of the brightness of the light irradiated to the rearing area 70 is smaller in the late rearing stage than in the early rearing stage. That is, the luminance of the breeding light irradiated to the breeding area 70 in the late stage of breeding together with the blue light is darker than the luminance of the breeding light irradiated to the breeding area 70 in the early stage of breeding.
[ other modifications ]
In example 2 described above, the second period T22 is a period of 12 days from day 10 to day 21. However, the second period T22 may be changed as appropriate. The second period T22 may be set to be, for example, 1 to 11 days from day 4 to day 28. The same applies to modifications 1 and 2.
Further, the light emission control in embodiments 1 to 3 described above may be performed, for example, in a state where the light source unit 22 is not turned off (one of the growth light source 22g, the blue light source 22b, and the white light source 22w is constantly kept on) until the growth period ends, and the light source unit 22 may be turned off for a predetermined period of 1 day. The same applies to the light emission control in modifications 1 to 5.
Further, the light emission control of the above-described embodiments 1 to 3 may be temporarily stopped while a person enters the chicken house 60. For example, white light may be illuminated to the feeding area 70 during the time that a person enters the chicken house 60. The same applies to the light emission control in modifications 1 to 5.
[ Effect and the like ]
As described above, the lighting system 10 is used for raising diurnal poultry such as chickens. The lighting system 10 includes: a light source unit (22) that emits first light having an emission peak wavelength of 560nm to 590nm inclusive and second light having an emission peak wavelength of 450nm to 490nm inclusive; and a control unit 31 for controlling the light source unit 22 to irradiate the first light to the rearing area 70 of the diurnal poultry in the early stage of rearing and to irradiate the first light and the second light to the rearing area 70 in the late stage of rearing. The first light is, for example, the growth light of the above-described embodiment, and the second light is, for example, the blue light of the above-described embodiment.
As shown in embodiment 2 and modifications 1 to 5, the lighting system 10 can effectively increase the weight of diurnal poultry. In addition, the lighting system 10 can suppress light irritation (sudden change in light environment) to diurnal poultry by emitting the first light at both the early stage of breeding and the late stage of breeding.
Further, for example, the luminance of the first light irradiated to the feeding area 70 is darker in the late stage of breeding than in the early stage of breeding.
In the lighting system 10, since the luminance of the first light is reduced in the late breeding stage as compared with the early breeding stage, the diurnal poultry can be effectively increased in weight while suppressing the light stimulation to the diurnal poultry.
For example, the pre-growth period includes a first period T21 and a second period T22 following the first period T21. The control unit 31 controls the light source unit 22 to irradiate the first light and the second light to the feeding area 70 during the second period T22. The luminance of the first light irradiated to the feeding region 70 is brighter during the first period T21 than during the second period T22, and brighter during the second period T22 than during the late growth period.
As shown in embodiment 2 and modifications 1 to 2, the lighting system 10 can effectively increase the weight of diurnal birds while suppressing light stimulation on the diurnal birds by gradually decreasing the brightness of the first light.
Further, for example, the brightness of the second light applied to the feeding area 70 is the same in the second period T22 and the late growth period, or is brighter than the second period T22 in the late growth period.
As shown in embodiment 2 and modifications 1 to 2, the lighting system 10 can effectively increase the weight of diurnal poultry.
Further, for example, the luminance of the combination of the first light and the second light irradiated to the feeding area 70 is the same in the second period T22 and the late growth period.
Such a lighting system 10, as shown in example 2, is effective in increasing the weight of diurnal avians.
Further, for example, the luminance of the combination of the first light and the second light irradiated to the feeding area 70 is brighter than the second period T22 in the late growth period.
As shown in modification 1, the lighting system 10 can effectively increase the weight of diurnal poultry.
Further, for example, the luminance of the combination of the first light and the second light irradiated to the feeding area 70 is darker than the second period T22 in the late stage of the breeding.
As shown in modification 2, the lighting system 10 can effectively increase the weight of diurnal poultry.
For example, the control unit 31 controls the light source unit 22 to irradiate only the first light of the first light and the second light to the feeding area 70 in the early stage of growth.
As shown in modifications 3 to 5, the lighting system 10 can effectively increase the weight of diurnal poultry.
For example, the first light irradiated to the feeding area 70 in the early stage of growth has the same brightness as the combined first and second lights irradiated to the feeding area 70 in the late stage of growth.
As shown in modification 3, the lighting system 10 can effectively increase the weight of diurnal poultry.
For example, the luminance of the combination of the first light and the second light applied to the feeding area 70 in the late stage of growth is higher than the luminance of the first light applied to the feeding area 70 in the early stage of growth.
As shown in modification 4, the lighting system 10 can effectively increase the weight of diurnal poultry.
For example, the luminance of the combination of the first light and the second light applied to the feeding area 70 in the late stage of growth is darker than the luminance of the first light applied to the feeding area 70 in the early stage of growth.
As shown in modification 5, the lighting system 10 can effectively increase the weight of diurnal poultry.
In the method for feeding diurnal poultry, the light source unit 22 that emits the first light having the emission peak wavelength of 560nm to 590nm inclusive and the second light having the emission peak wavelength of 450nm to 490nm inclusive is used to irradiate the first light to the feeding area 70 of the diurnal poultry in the early growth stage and to irradiate the first light and the second light to the feeding area 70 in the late growth stage.
As shown in example 2 and modification examples 1 to 5, this feeding method can effectively increase the weight of diurnal poultry. In addition, according to this breeding method, the first light is irradiated both in the early stage of breeding and in the late stage of breeding, and therefore, the light stimulation to diurnal poultry can be suppressed.
(other embodiments)
Although the lighting system and the diurnal poultry raising method according to the embodiments have been described above, the present invention is not limited to the above embodiments.
For example, the configuration of the light source unit described in the above embodiment is an example. The light source unit may be a fluorescent tube, a metal halide lamp, a sodium lamp, a halogen lamp, a xenon lamp, a neon tube, or the like. The light source unit may use inorganic electroluminescence, organic electroluminescence, chemiluminescence (Chemical Luminescence), a semiconductor laser, or the like. The light source unit may emit light of a desired color through a spectral filter or the like. The light source unit is not particularly limited as long as it can emit light of a desired color.
The lighting system according to the above-described embodiment may be used for raising other diurnal poultry such as ducks, turkeys, and guinea fowls.
In the above-described embodiment, the process executed by a specific processing unit may be executed by another processing unit. The procedure of the processing described in the flowcharts and the like of the above-described embodiments is an example. The order of the plurality of processes may be changed, or the plurality of processes may be executed in parallel.
In the above-described embodiment, each component may be executed by a software program suitable for each component. Each component can be realized by a program execution unit such as a CPU or a processor reading out and executing a software program recorded in a recording medium such as a hard disk or a semiconductor memory.
Each component may be implemented by hardware. For example, each component may be a circuit (or an integrated circuit). These circuits may be configured as a whole as one circuit, or may be configured as separate circuits. These circuits may be general-purpose circuits or may be dedicated circuits.
The general or specific aspects of the present invention can be realized by a system, a method, an integrated circuit, a computer program, or a computer-readable recording medium such as a CD-ROM, and can also be realized by any combination of a system, a method, an integrated circuit, a computer program, and a recording medium. For example, the present invention may be implemented as a control method of an illumination device, may be implemented as a program for causing a computer to execute the control method of the illumination device, and may be implemented as the control device according to the above-described embodiment.
In the above-described embodiments, the illumination system is implemented by a plurality of devices, but may be implemented by a single device. When the lighting system is implemented by a plurality of devices, the configuration elements included in the lighting system may be distributed to the plurality of devices in any manner.
In addition, the present invention includes an embodiment obtained by performing various modifications that can be conceived by a person skilled in the art on each embodiment, and an embodiment obtained by arbitrarily combining the components and functions in each embodiment within a scope not departing from the gist of the present invention.
For example, the present invention can be realized as an illumination system that performs light emission control obtained by arbitrarily combining examples 1 to 3 and modified examples 1 to 5 described in the above-described embodiments.
Description of the symbols
10 illumination system
22 light source unit
31 control part
70 feeding area
Claims (12)
1. An illumination system for raising day-time poultry,
the lighting system includes:
a light source unit that emits first light having an emission peak wavelength of 560nm to 590nm inclusive and second light having an emission peak wavelength of 450nm to 490nm inclusive; and
a control unit that controls the light source unit so that the first light is irradiated to a feeding area of the diurnal poultry in an early stage of breeding and the first light and the second light are irradiated to the feeding area in a later stage of breeding,
wherein the control section controls the light source section so as to irradiate the first light of a first luminance to the feeding area and to irradiate the second light of a second luminance brighter than the first luminance to the feeding area in parallel at the late stage of the feeding.
2. The lighting system as set forth in claim 1,
the brightness of the first light irradiated to the rearing area is darker in the latter stage of rearing than in the former stage of rearing.
3. The lighting system as claimed in claim 1 or 2,
the pre-growth period includes a first period and a second period following the first period,
the control unit controls the light source unit to irradiate the first light and the second light to the feeding area during the second period,
the brightness of the first light applied to the feeding area is brighter than the second period in the first period and brighter than the late growth period in the second period.
4. The lighting system as set forth in claim 3,
the brightness of the second light applied to the feeding area is the same in the second period and the late growth period, or is brighter than the second period in the late growth period.
5. The lighting system as set forth in claim 3,
the brightness of the first light and the second light irradiated to the rearing area taken together is the same in the second period and the late rearing period.
6. The lighting system as set forth in claim 3,
the luminance of the first light and the second light irradiated to the feeding area is brighter than the luminance in the second period in the late growth period.
7. The lighting system as set forth in claim 3,
the luminance of the first light and the second light irradiated to the feeding area is darker than the luminance of the second light in the late growth period.
8. The lighting system as set forth in claim 1,
the control unit controls the light source unit so that only the first light of the first light and the second light is irradiated to the feeding area in an early stage of growth.
9. The lighting system as set forth in claim 8,
the first light irradiated to the rearing area in the early stage of rearing has the same brightness as the combined brightness of the first light and the second light irradiated to the rearing area in the late stage of rearing.
10. The lighting system as set forth in claim 8,
the luminance of the combination of the first light and the second light applied to the rearing area in the late rearing stage is higher than the luminance of the first light applied to the rearing area in the early rearing stage.
11. The lighting system as set forth in claim 8,
the luminance of the combination of the first light and the second light applied to the rearing area in the late rearing stage is darker than the luminance of the first light applied to the rearing area in the early rearing stage.
12. A method for feeding diurnal poultry,
irradiating the first light to a rearing area of diurnal poultry in an early rearing stage and irradiating the first light and the second light to the rearing area in a late rearing stage by a light source section that emits a first light having an emission peak wavelength of 560nm to 590nm inclusive and an emission peak wavelength of 450nm to 490nm inclusive,
wherein, in the later stage of the rearing, the first light of a first brightness is irradiated to the rearing area, and the second light of a second brightness brighter than the first brightness is irradiated to the rearing area in parallel.
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| JP2018133479A JP7117526B2 (en) | 2018-07-13 | 2018-07-13 | Lighting system and method for rearing diurnal poultry |
| JP2018-133479 | 2018-07-13 |
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| CN110771534A CN110771534A (en) | 2020-02-11 |
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| CN110771534A (en) | 2020-02-11 |
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