CN214071210U

CN214071210U - Semi-underground open type ventilated chicken house suitable for natural state breeding of laying hens

Info

Publication number: CN214071210U
Application number: CN202023097812.2U
Authority: CN
Inventors: 郝海成
Original assignee: Hebei Shangliang Agricultural Technology Co ltd
Current assignee: Hebei Shangliang Agricultural Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-31
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a semi-underground open type ventilated chicken house suitable for natural state breeding of laying hens, which belongs to the technical field of laying hen breeding and comprises a plurality of chicken house bodies, chicken cages and a feeding device, wherein each chicken house body comprises a ventilated house body arranged on the ground and a breeding house body arranged underground, a first window and a second window are arranged on each ventilated house body, the second window is positioned above the first window, an outwards extending eave is fixedly arranged on each ventilated house body, and the length direction of each chicken house body is in the east-west direction; the breeding houses are mutually communicated through the ventilation channels arranged underground, and house doors are arranged on the breeding houses. The utility model discloses the circulation of the air current of being convenient for makes the internal temperature in breed room and humidity be close natural ecological environment, saves the breed cost, reduces the probability that the laying hen is sick, improves the laying rate and the quality of laying eggs, shines the health disinfection for the chicken through sunlight, improves the immunity of chicken, promotes the metabolism, and the laying rate is high, and the quality of laying eggs is good, is applicable to the breed of all laying hens.

Description

Semi-underground open type ventilated chicken house suitable for natural state breeding of laying hens

Technical Field

The utility model belongs to the technical field of the laying hen is bred, a chicken coop is related to, specifically speaking is a half underground open ventilation chicken coop that is suitable for laying hen natural state to breed.

Background

The chicken raising rooms in the prior art are mostly cultured in a closed manner, namely the chicken raising rooms are completely sealed, the gathering of mosquitoes and flies can be effectively prevented in the closed space, the temperature and the humidity in the chicken raising rooms can be conveniently controlled, and the centralized disinfection can be realized. In order to meet the egg laying requirements of the chickens, the ventilation is to utilize negative pressure generated by the ventilation fan to renew air in the chicken room, a large number of illuminating lamps are arranged in the chicken room to irradiate the chickens for 24 hours, and meanwhile, a large amount of hormone feed is fed to the chickens to promote the formation of eggs. And a free-range chicken house is also provided, namely free-range chicken is raised, so that the free-range chicken can lay eggs completely according to the external environment.

The disadvantages of the closed culture mode are: the requirements on temperature and humidity in a closed space are extremely high, if the control is not good, the chickens are easy to get ill, and the fowl plague is easy to form, so the fatality rate is very high; because the living environment of the chicken is greatly different from the external environment, the resistance of the chicken in the greenhouse is low, and the prevalence rate is high; the disinfection difficulty is high, the overlay consumption cannot be realized, and the chicken lice are easy to grow on the chicken body; the ventilation effect is poor, the smell in the chicken house is unpleasant, ammonia gas can not be discharged in time, because excrement in the closed chicken house can generate a large amount of ammonia gas, and the chicken is particularly sensitive to the reaction of the ammonia gas, after the ammonia gas is sucked into a respiratory system, diseases such as upper respiratory tract mucous membrane congestion, bronchitis and the like can be caused, and in severe cases, diseases such as pulmonary edema, pulmonary hemorrhage and the like can be caused, so that the laying rate is low, the laying quality is poor, infectious diseases such as new castle disease and the like are caused, and the death rate of the chicken is increased.

The disinfection mode in the closed space is to spray disinfection liquid medicine in the chicken room, and the mode has the following defects: the method is characterized in that disinfection is incomplete, in order to reduce the damage of disinfection liquid medicine to chickens, the disinfection liquid medicine is usually sprayed on an object, but chickens live in an environment without sunlight for a long time, so that the chickens are full of cootie on the bodies, the chickens can peck themselves continuously due to the nature of the chickens, once fresh blood is pecked out, fighting between the chickens is caused to cause death, in order to prevent the chickens from pecking each other, the beaks need to be cut off, the cost is increased, the chickens after the beaks are cut off can leave sequela of chronic pain, the stress reaction is strong, the laying rate is influenced, the immunity of the chickens after the beaks are cut off is reduced, and if the chicken is not treated well, the death rate of the chickens is increased;

the technical means of discharging ammonia in chicken room among the prior art is to install the fan that trades in airtight space, discharges the ammonia, and the shortcoming of this kind of mode is: when the fan is changed to exhaust air, the temperature and humidity in the chicken room are ensured, the difficulty is high, and if the control is not good, the chickens are easy to suffer from diseases; due to the limitation of the installation position of the fan, ammonia gas within 0.5 m away from the ground in the chicken room can not be discharged completely and still exists; the air introduced by the air exchanging fan can be directly blown into the chicken room, and the external air is too cold or too hot, which is not beneficial to the health of the chicken; the high-power fan that trades and the equipment that is used for maintaining temperature and humidity in the room of raising chickens not only purchase the cost height, and power consumption is big, has increased the breed cost.

The disadvantages of the free-ranging cultivation are: the method has the advantages of no scale breeding, low laying rate of the chickens, large occupied space, high breeding cost, no real-time monitoring of the health conditions of the chickens and no contribution to standardized breeding.

SUMMERY OF THE UTILITY MODEL

For solving exist among the prior art more than not enough, the utility model aims at providing a be suitable for half underground open ventilation chicken room that laying hen natural state bred to reach open breed, make the living environment of chicken be close the nature, utilize atmospheric environment and the internal atmospheric pressure difference of breed room, introduce natural air, the ventilation effect is good, natural regulation and control, the sunlight disinfection saves the cost, and the laying rate is high, the purpose of laying quality height.

In order to achieve the above object, the utility model adopts the following technical scheme:

a semi-underground open type ventilated chicken house suitable for natural state breeding of laying hens comprises a plurality of chicken house bodies, wherein each chicken house body is internally provided with a chicken cage and a feeding device, each chicken house body comprises a ventilated house body arranged on the ground and a breeding house body arranged underground, a first window used for sunlight irradiation and ventilation and a second window used for air circulation are detachably arranged on the ventilated house body, the second window is positioned above the first window, an outwards extending eave is fixedly arranged on the ventilated house body, and the length direction of each chicken house body is a trend of things;

every breed and communicate each other through locating the underground ventiduct between the room body, be equipped with the door on breeding the room body, the chicken coop is located and is bred in the room body.

As to the utility model limit: be equipped with two slope formula pitched roofs on the ventilation room body, the one end and the ground fixed connection of first window on the ventilation room body, one end and two slope formula pitched roofs fixed connection, two slope formula pitched roofs are located to the second window, the junction of first window and two slope formula pitched roofs is located to the eave.

As a further limitation to the present invention: the double-slope type pitched roof is provided with a slide way, the second window comprises a fixed window and a movable window arranged on the slide way, and the movable window is controlled to be opened or closed with the fixed window through a transmission device.

As a further limitation to the present invention: the transmission device comprises a gear set arranged on the double-slope pitched roof, a chain sleeved on the gear set and a hand wheel used for driving the gear set to rotate, and the movable window is connected with the chain through a fixed block

As another limitation to the present invention: a plurality of ventilation holes communicated with the outside are formed in the ventilation channel.

As to the utility model limit: breed the height of the room body and be 5 ~ 7 meters, the height of first window is 1 ~ 2 meters, the width of eaves is 1 ~ 2 meters.

As a further limitation to the present invention: breed and be equipped with the passageway of preventing wind that is used for the people to pass through on the room body, the outside of breeding the room body is located to a mouth of preventing wind the passageway, and the inside of breeding the room body is located to a mouth, and two mouths all are equipped with the push-off door.

As to the third limitation of the present invention: the breeding house body leads to the ground through a slope, and the slope is a curve.

As to the utility model limit: and a drainage channel is arranged at the connection part of the door and the slope.

As a fourth limitation to the present invention: the below of the breed room body is provided with excrement and urine collecting pit, be equipped with automatic defecation device in the excrement and urine collecting pit.

Since the technical scheme is used, compared with the prior art, the utility model, the beneficial effect who gains lies in:

(1) the utility model adopts an open breeding mode of semi-underground and semi-overground, the breeding house body is arranged underground, the environment is quiet, the stress response of the chickens to the external environment is reduced, and the egg laying of the chickens is promoted; the ventilation duct is arranged underground, has the functions of being warm in winter and cool in summer, connects a plurality of breeding houses, can automatically regulate and control the temperature in the breeding houses through exchange and fusion with airflow in the breeding houses, reduces equipment for cooling or heating, saves breeding cost, can form negative pressure with the outside, is convenient for airflow in the external environment to enter the breeding houses under the action of air pressure difference, forms circulation, can quickly discharge ammonia gas in the breeding houses, ensures the freshness of air in the breeding houses, is also convenient for regulating the temperature and humidity in the breeding houses, maximally restores the living environment of laying hens in the natural state, reduces artificial regulation and control factors, improves the laying rate and the laying quality of the laying hens, reduces the sick probability of the laying hens, and prolongs the laying time; the chicken coop is arranged underground, the temperature in the chicken house rises from bottom to top, the rising gas is discharged from the second window along with the airflow entering the first window, the airflow forms circulation, the freshness of the air in the chicken house is guaranteed, ammonia gas can be effectively prevented from being gathered in the chicken house to influence the health of the chicken, the breeding house body for breeding is arranged underground, when the chicken coop meets the strong wind weather, the large wind cannot be generated in the breeding house body, meanwhile, the airflow circulation can be formed in real time by utilizing the first window and the second window, the temperature, the humidity and the freshness of the air in the chicken house are guaranteed, and the arrangement of eave can effectively prevent rain from entering the breeding house body; the natural disinfection of sunlight is adopted, the purposes of sterilization, inflammation diminishing, egg laying promotion and metabolism acceleration can be achieved, the eaves can prevent sunlight from irradiating the breeding house body in all directions, the sunlight can be ensured not to be irradiated on the coops for too long time, the disinfection is effectively carried out, meanwhile, the chicken is prevented from being sunburned, the disinfection effect is good, no coops are produced, no beak is broken, the health of the chicken can be ensured, the egg laying rate is high, and the egg laying quality is high;

(2) the double-slope pitched roof of the utility model is convenient for rain drainage, prevents rainwater from gathering, enables the first window and the second window to form a tandem position relationship, and is convenient for air flow circulation;

(3) the opening and closing of the first window of the utility model are controlled manually, the opening and closing time of the window is adjusted, and the temperature in the culture room and the circulating degree of the airflow are ensured; the opening and closing of the first window are adjusted in real time according to the weather condition, so that manual operation is facilitated, and the practicability is high;

(4) the ventilation holes in the ventilation duct of the utility model can further increase the ventilation effect, increase the air flow and ensure the freshness of the air in the culture room;

(5) the special design of the height of the breeding house body, the height of the first window and the width of the eave of the utility model utilizes the natural running track of the sun to realize gradual lighting in the breeding house body, ensures that each layer of the coop can be irradiated by sunlight, and the irradiation time per day is between 1-2 hours, thus preventing overlong sunshine time, sunburning the chicken, achieving necessary disinfection effect, reducing the morbidity of the laying hens and improving the resistance of the chicken;

(6) the utility model discloses prevent wind the passageway and be convenient for people to pass through, when external environment is too cold or overheated, when needing to close the door, because the ventiduct is provided with two and pushes away the door, people gets into from a mouthful of ventiduct, because another pushes away the door and is the closed condition, can not make cold air or hot-air get into the breed culture room internal, people get into in the ventiduct and will push away the door and close, open another and push away the door and get into, guarantee that the internal temperature of breed culture room does not run off;

(7) the slope of the utility model can provide a guiding function for the circulation of the air flow, so as to facilitate the formation of negative pressure and increase the circulation of the air flow, the slope is designed into a curve, so that the air is not directly blown into the breeding house, the impact of temperature on the laying hens is reduced, and the drainage channel can prevent rainwater from entering the breeding house and facilitate drainage;

(8) the utility model discloses an excrement and urine can effectively reduce the production of ammonia through automatic defecation device automatic collection, and degree of automation is high, convenient operation.

To sum up, the utility model discloses utilize the pressure differential of external environment and underground ventilation way, form the negative pressure, the circulation of the air current of being convenient for makes the internal temperature in breed room and humidity be close natural ecological environment, saves the breed cost, reduces the probability that the laying hen is sick, improves the laying rate and the quality of laying eggs, shines the health disinfection for the chicken through sunlight, improves the immunity of chicken, promotes the metabolism, and the laying rate is high, and the quality of laying eggs is good, and ventilation effect is good, is applicable to the breed of all laying hens.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a left side view structure diagram of the embodiment of the present invention;

fig. 3 is a schematic top view of the embodiment of the present invention.

In the figure: 1-breeding house body, 2-ventilating house body, 21-double-slope type sloping roof, 22-first window, 3-eave, 4-second window, 41-moving window, 42-fixed window, 5-ventilating duct, 6-ventilating hole, 7-door, 8-drainage duct, 9-transmission device, 91-gear set, 92-chain, 93-hand wheel, 10-fixed block, 11-slideway, 12-windproof channel, 13-pushing door, 14-slope, 15-chicken cage and 16-excrement collecting pool.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the semi-underground open ventilated chicken house suitable for natural state breeding of laying hens described herein is a preferred embodiment, is provided only for illustration and explanation of the present invention, and does not constitute a limitation of the present invention.

Embodiment is suitable for half underground open type ventilation chicken room that laying hen natural state was bred

In the embodiment, as shown in fig. 1-3, a semi-underground open type ventilated chicken house suitable for natural state breeding of laying hens comprises a plurality of chicken house bodies, wherein each chicken house body is internally provided with a chicken coop 15 and a feeding device, each chicken house body comprises a ventilation house body 2 arranged on the ground and a breeding house body 1 arranged underground, the embodiment adopts a semi-underground and semi-underground open breeding mode, pits are formed below the ground to form a breeding house body 1, the ventilation house body 2 is arranged above the ground and communicated with the breeding house body 1, and the ventilation house body is used for air circulation to ensure fresh air in the breeding house body 1. Breed the below of the room body 1 and be provided with excrement and urine collecting pit 16, be equipped with automatic defecation device in the excrement and urine collecting pit 16, automatic defecation device adopts prior art. The chicken house of this embodiment adopts a brand-new breed chicken house, the breed mode of original totally closed management has been abandoned, except that raise the chicken in the cage, other breed modes all are open breed modes, make the living environment of laying hen basically the same with external environment, the living environment under the laying hen natural state has been restoreed, reduce the use of antibiotic, make the laying hen lay the high quality, and through the air current circulation of ventilation house body 2, guarantee the temperature and humidity in the breed house body 1, adopt the daily disinfection of sunlight irradiation in being used for the breed house body 1 simultaneously, improve laying hen self immunity, reduce the use of antibiotic, improve the quality of laying eggs.

The ventilation house body 2 is arranged above the ground and communicated with the culture house body 1 for air circulation, so that fresh air in the culture house body 1 is ensured. The ventilation room body 2 includes that detachably locates subaerial first window 22 and the two-slope formula pitched roof 21 of being connected with first window 22, the one end and the ground fixed connection of first window 22, the other end and with two-slope formula pitched roof 21 fixed connection, two-slope formula pitched roof 21 can prevent to accumulate the rainwater, the rainwater of being convenient for flows down fast, ventilation room body 2 all is connected with ground through first window 22 all around. Be equipped with the second window 4 that is used for the air current circulation on the two sloping formula pitched roof 21, first window 22 and second window 4 are the glass window, first window 22 is located the below of second window 4, enables in gaseous forward gets into breed the room body 1, also enables sunlight to shine breed in the room body 1, second window 4 is located two sloping formula pitched roof 21, leans on more than first window 22, because two sloping formula pitched roof 21 slope sets up, second window 4 is close to the center pin of breed the length direction of the room body 1, and the air current of being convenient for gets into by first window 22, discharges from second window 4, forms the air current of continuous circulation, and according to the principle of hot-air upward movement, the ammonia in breed the room body 1 can drive the downward ventilation room body 2 internal motion at the air current that door 7 got into to along with the air current that first window 22 got into, upwards discharges from second window 4, the ammonia gas in the breeding house body 1 can be completely distributed, the air in the breeding house body 1 is updated in real time, the fresh environment is kept in the breeding house body 1, and the growth of laying hens is facilitated.

The double-slope inclined roof 21 is provided with a slideway 11, the second window 4 comprises a fixed window 42 and a movable window 41 arranged on the slideway 11, the fixed window 42 and the movable window 41 are arranged at intervals, and the movable window 41 is controlled to be opened or closed with the fixed window 42 through a transmission device 9. Transmission 9 is including setting firmly gear train 91 on the double-slope formula pitched roof 21, cup jointing the chain 92 on gear train 91 and being used for driving gear train 91 pivoted hand wheel 93, it is connected with chain 92 through fixed block 10 to remove window 41, when rotating hand wheel 93, drive gear train 91 among the gear train 91 and rotate, gear train 91 rotates and drives the transmission of chain 92, the transmission of chain 92 drives and removes window 41 and removes along slide 11, hand wheel 93 forward rotation, make and remove window 41 and fixed window 42 coincidence, remove window 41 and open, form the window that ventilates, hand wheel 93 reverse rotation, remove window 41 and close, it is closed to ventilate the window, guarantee to breed the temperature in the room body 1.

The length direction of the breeding house body 1 is the east-west trend, so that sunlight can conveniently irradiate in the breeding house body 1. Breed one end on the 1 length direction in the room body and be provided with door 7, door 7 is the shutter door, breed door 7 export of the room body 1 and access to ground through slope 14, slope 14 is the bend, makes the one end of slope 14 and ground transition stagger with the position of door 7, avoids the air current directly to get into from door 7 and breeds the internal 1 of room, makes supercooling or overheated air cause the influence to laying hen's health. And a drainage channel 8 is arranged at the joint of the door 7 and the slope 14, so that rainwater is prevented from flowing back into the breeding house body 1 along the slope 14. Breed the other end of the 1 length direction in room body sealed to 1 links up a plurality of breed rooms through ventiduct 5 and realize the intercommunication, the underground is located to ventiduct 5, the cross-section of ventiduct 5 is the arch, be provided with a plurality of ventilation holes 6 with external intercommunication in the ventiduct 5, ventilation hole 6 seals it through the end cap, and when needs air volume great, opens ventilation hole 6, when needs air volume is less, closes ventilation hole 6. The coop 15 is arranged in the breeding house body 1, so that the breeding house body 1 is used for breeding laying hens. Breed the below of the room body 1 and be provided with excrement and urine collecting pit 16, be equipped with automatic defecation device in the excrement and urine collecting pit 16, automatic defecation device adopts prior art.

Set firmly the eaves 43 of outside extension on the ventilation room body 2, the junction of first window 22 and two sloping formula pitched roof 21 is located to eaves 43, and the effect of the eaves 43 that outwards extends is: preventing rainwater from entering the breeding house body 1 in rainy days; the chicken coops 15 in the breeding house 1 are prevented from being irradiated by the sun for too long time, and the sunlight irradiation time is controlled. According to the running track of the sun, the underground height of the breeding house body 1 is set to be 5 meters, 6 meters or 7 meters, the height of the first window 22 is set to be 1 meter, 1.5 meters or 2 meters, and the width of the eave 43 is set to be 1 meter, 1.5 meters or 2 meters. Three group heights of the breed room body 1 in this embodiment, three group heights of first window 22, three group height independent assortments of eaves 43 form the construction size, and the compound mode that this embodiment adopted is: the height of the breeding house body 1 is 6 meters, the height of the first window 22 is 1.5 meters, the width of the eave 43 is 1.5 meters, the construction size of any combination mode can meet the requirement of sunlight irradiation time, and as shown in figure 1, when the sun is within an angle alpha, the sunlight irradiation on each layer of coops 15 can be ensured along with the movement track of the sun, so that the irradiation time per day is 1-2 hours, the necessary sunlight disinfection time for laying hens can be ensured, and the long irradiation time for the laying hens can be avoided, so that sunburn is caused. The mode of this embodiment sunlight disinfection can prevent that the laying hen from growing lice on one's body, and be favorable to controlling temperature and humidity in breeding the house body 1, natural ecological breed can improve the immunity of laying hen, the living environment that makes scale breed laying hen is close external natural environment, can improve laying hen's laying rate and length of laying eggs, in the breeding process, the incidence of disease of laying hen is little, the hormone such as antibiotic that use is few, can improve the quality that the laying hen laid eggs, natural ecological breed mode can reduce the artificial factor of controlling, save the cost of labor, the resource cost, reduce the breed cost.

Breed and be equipped with on the room body 1 and be used for the people to pass through prevent wind passageway 12, prevent wind passageway 12's a mouth and locate the outside of breeding the room body 1, be located the outside of door 7 promptly, another mouth is located the inside of breeding the room body 1 promptly, is located inside door 7 promptly, and two mouths all are equipped with and push away door 13. When the air of external world is too cold or overheated, when needing to guarantee the temperature in the breed house body 1, close door 7, when the people need get into the breed house body 1, open great door 7 and can make the temperature in the breed house body 1 run off, therefore, need get into by preventing wind passageway 12, open earlier and lie in door 7 outer push-open door 13, get into and prevent wind passageway 12, because the push-open door 13 that the passageway 12 that prevents wind lies in door 7 closes, therefore, the air current can not get into the breed house body 1, then close the push-open door 13 that lies in door 7 outside, open the push-open door 13 that lies in the breed house body 1 inside and get into the breed house body 1 in, guarantee that the temperature in the breed house body 1 does not run off.

The principle of this embodiment and the advantage of open breed do: the natural and ecological living environment of the laying hens is restored through an open breeding mode, the healthy living mode of the laying hens can be guaranteed, large-scale breeding can be realized, the laying rate and the laying quality of the laying hens are improved, and the laying duration is prolonged. Breed the room body 1 and set up in the underground, can guarantee to breed the temperature in the room body 1, the underground is bred, and the ground is ventilated, because the principle of steam upward movement, the temperature in breeding the room body 1 is higher for the temperature in the ventilation room body 2, consequently, the ammonia rises along with the air current upwards to the air current that gets into along with first window 22 is discharged by second window 4, and ventilation effect is good. Meanwhile, the ventilation duct 5 is located underground, has the advantages of being warm in winter and cool in summer, and is fused with the air flow entering the breeding room body 1 after the door 7 is opened, so that negative pressure is formed under the action of air pressure difference, the flowing and fusion of the air are accelerated, and the air entering the breeding room body 1 is prevented from being too cold or too hot. When the door 7 is closed, the air flow in the ventilation duct 5 is fused with the air flow in the culture room body 1, and the temperature in the culture room body 1 can be automatically regulated and controlled. The temperature in the room body 1 is bred in can automatic regulation and control to ventiduct 5, enables the room body 1 of breeding and external environment formation atmospheric pressure difference, with the exchange of outside air with the effect of negative pressure with higher speed, reduces the ammonia concentration in the room body of breeding 1, makes the living environment of laying hen be close to the environment under the natural state as far as possible, guarantees that laying hen's mood is comfortable, improves the resistance, reduces the production of disease, improves the laying rate and the quality of laying eggs, reduces the breed cost, improves and breeds the profit. Sunlight disinfection, guarantee the sunlight supply of laying hen, the movement track along with the east rising west of sun falls, set up eaves 43 and breed the room body 1 in proportion, guarantee that every layer of chicken on the chicken coop 15 can both be shone by sunlight, the time of shining neither can be too long, can guarantee necessary exposure time again, play disinfection's effect, sunlight shines and can also accelerate laying hen's metabolism, it is effectual to mend calcium, promote the production of egg, improve chicken's immunity, reduce the use of antibiotic, improve the laying rate, the quality of laying eggs, long duration of extension laying eggs. The open natural ecological breeding mode can reduce the use of other equipment, greatly reduce the consumption of electric quantity, save the breeding cost and improve the profit margin.

Claims

1. The utility model provides a be suitable for half underground open ventilation chicken coop that laying hen natural state was bred, includes a plurality of chicken coop bodies, this internal chicken coop that all is equipped with of every chicken coop and throws edible device, its characterized in that: the chicken house body comprises a ventilation house body arranged on the ground and a cultivation house body arranged underground, a first window used for sunlight irradiation and ventilation and a second window used for airflow circulation are detachably arranged on the ventilation house body, the second window is positioned above the first window, an eaves extending outwards is fixedly arranged on the ventilation house body, and the length direction of the chicken house body is in an east-west direction;

2. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of claim 1, wherein: be equipped with two slope formula pitched roofs on the ventilation room body, the one end and the ground fixed connection of first window on the ventilation room body, one end and two slope formula pitched roofs fixed connection, two slope formula pitched roofs are located to the second window, the junction of first window and two slope formula pitched roofs is located to the eave.

3. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of claim 2, wherein: the double-slope type pitched roof is provided with a slide way, the second window comprises a fixed window and a movable window arranged on the slide way, and the movable window is controlled to be opened or closed with the fixed window through a transmission device.

4. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of claim 3, wherein: the transmission device comprises a gear set arranged on the double-slope type pitched roof, a chain sleeved on the gear set and a hand wheel used for driving the gear set to rotate, and the movable window is connected with the chain through a fixing block.

5. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of any one of claims 1-4, wherein: a plurality of ventilation holes communicated with the outside are formed in the ventilation channel.

6. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of claim 5, wherein: breed the height of the room body and be 5 ~ 7 meters, the height of first window is 1 ~ 2 meters, the width of eaves is 1 ~ 2 meters.

7. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of claim 6, wherein: breed and be equipped with the passageway of preventing wind that is used for the people to pass through on the room body, the outside of breeding the room body is located to a mouth of preventing wind the passageway, and the inside of breeding the room body is located to a mouth, and two mouths all are equipped with the push-off door.

8. Semi-underground open-ventilation chicken house suitable for natural state breeding of laying hens according to any one of claims 1-4, 6, 7, characterized in that: the breeding house body leads to the ground through a slope, and the slope is a curve.

9. The semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens of claim 8, wherein: and a drainage channel is arranged at the connection part of the door and the slope.

10. Semi-underground open-ventilated chicken house suitable for natural state breeding of laying hens according to any one of claims 1 to 4, 6, 7, 9, characterized in that: the below of the breed room body is provided with excrement and urine collecting pit, be equipped with automatic defecation device in the excrement and urine collecting pit.