Simple plastic greenhouses have low investment and can be built in wastelands, forests, etc., and do not occupy farmland. Currently, it is the main way for broilers to be raised in rural areas. Winter broilers are prone to respiratory diseases. In order to raise broilers, the following points may be noted:
1. Cold and heat stress is the main cause of respiratory diseases in broilers. In recent years, respiratory infections in broilers are extremely common. They are devastated by heavy scouring, have high prevalence in winter, and have a prevalent onset around the age of 20 days. Cold and heat stress are the main reasons. Therefore, the greenhouse temperature must be controlled. During the day, fully utilize the temperature of solar energy and poultry to increase the temperature of the shed. In the evening, artificial warming is performed using temperature-raising equipment. When the brooding hen house needs to be pre-heated, the temperature in the house should reach 33~35°C, the brooding temperature should reach 35~37°C, and keep 25~30°C in the middle and late period. The furnace can be less coal-fired, but it must not be turned off. There is hot air ventilation for hot blast stoves.
2. Strengthen ventilation and keep the air in the house fresh. Because broilers grow fast and have a large amount of breathing, fresh air should be sufficient to ensure oxygen supply. Otherwise, the occurrence of respiratory diseases and the occurrence of ascites and sudden death syndrome will cause losses to chicken farmers. To this end, we must strengthen ventilation. Especially in the cold winter season, we must deal with the contradiction between ventilation and ventilation. The ventilation and ventilation time should be around noon, and the temperature inside and outside the house is relatively high. At this time, ventilation and ventilation will not reduce the temperature inside the house. Ventilation ventilation can be properly opened to reduce the concentration of harmful gases such as ammonia gas, hydrogen sulfide and carbon dioxide in the shed, keep the shed clean and sanitary, and ensure the normal growth and development of chickens.
When ventilating and ventilating, pay attention to the angle of the air inlet. The wind cannot be blown directly onto the chicken. An exhaust pipe can be installed every 3 meters in the middle of the roof, which is about 2 meters long and 30 to 40 centimeters in diameter. An unpowered fan can also be installed every 3 meters above the roof. At the same time pay attention to anti-thief wind, chicken coops import and export hanging thick cotton curtain, the greenhouse should be sealed around. In the later period, the chickens eat more and excrete more. The air in the house is polluted and the odor is large. The amount of ventilation and ventilation should be increased. Warm up when ventilating and guard against flocking.
3. Pay attention to humidity. Due to the tightness of plastic greenhouses, it is easy to cause excessive humidity in the greenhouse and affect the growth of broilers. Therefore, pay attention to humidity and moisture. First, prevent the water line from leaking; secondly, remove manure in time and replace dunnage; thirdly, put appropriate amounts of quick lime and dry soil as moisture absorbent in the house so that the humidity in the house can be maintained at 55% to 65%.
4. Keep online as much as possible. Chickens on the Internet can reduce faecal contact and reduce the chance of epidemic infection, which is particularly conducive to the control of coccidiosis and intestinal diseases. Chicken manure is leaked under the net to facilitate timely removal and reduce harmful gases at the same time; chickens are raised on the Internet to facilitate air circulation and prevent moisture. In terms of ventilation and ventilation, online feeding is also better than the ground level raising.
5. Hygiene and disinfection. Outsiders should not be allowed to visit the shed, especially other farmers, feed, veterinary drug salesmen and chicken dealers. Pay attention to the timely removal of feces, keep the chicken utensils clean and the breeder's own hygiene, in order to reduce the number of chicken disinfection, thereby reducing stress. Greenhouse can import and export sterilized blankets or disinfection basins, and should be disinfected when working.
6. Pay attention to fire prevention and gas poisoning. Every year in the winter, there are accidents involving chicken sheds and gas poisoning. Therefore, we must pay attention to safe production and pay attention to fire prevention and gas prevention.
7. Disease control. Focus on the prevention of bird flu, Newcastle disease and E. coli disease. Be careful not to "stuff chickens" and "flash chickens".
8. Strengthen immunity. Viral diseases are mainly depended on vaccination. The project and time of vaccination can be determined according to local conditions. The following is for reference only.
17 to 8 days of vaccination of Newcastle disease transmission two times 1.1 times the eyes, one drop of each nose, a new flow of oil seedlings 1 subcutaneous injection.
214 days old were vaccinated with infectious bursal vaccine (drinking water).
320 days old Newcastle disease IV line seedlings 2 to 3 times drinking water immunity.
430 days old Newcastle disease IV line seedlings 3 to 4 times drinking water immunity.
For chickens, vaccination is stressful, so raise the temperature of brooding properly during the epidemic, and add anti-stress drugs or multidimensional in drinking water for two days before and after vaccination. The vaccine dilution water is preferably cold water, and appropriate skim milk powder is added to prolong the effective period of the vaccine. Increase the number of drinking fountains before immunization to ensure that chickens can drink water; 2 to 3 hours prior to immunization, appropriate water must be stopped.
1. Cold and heat stress is the main cause of respiratory diseases in broilers. In recent years, respiratory infections in broilers are extremely common. They are devastated by heavy scouring, have high prevalence in winter, and have a prevalent onset around the age of 20 days. Cold and heat stress are the main reasons. Therefore, the greenhouse temperature must be controlled. During the day, fully utilize the temperature of solar energy and poultry to increase the temperature of the shed. In the evening, artificial warming is performed using temperature-raising equipment. When the brooding hen house needs to be pre-heated, the temperature in the house should reach 33~35°C, the brooding temperature should reach 35~37°C, and keep 25~30°C in the middle and late period. The furnace can be less coal-fired, but it must not be turned off. There is hot air ventilation for hot blast stoves.
2. Strengthen ventilation and keep the air in the house fresh. Because broilers grow fast and have a large amount of breathing, fresh air should be sufficient to ensure oxygen supply. Otherwise, the occurrence of respiratory diseases and the occurrence of ascites and sudden death syndrome will cause losses to chicken farmers. To this end, we must strengthen ventilation. Especially in the cold winter season, we must deal with the contradiction between ventilation and ventilation. The ventilation and ventilation time should be around noon, and the temperature inside and outside the house is relatively high. At this time, ventilation and ventilation will not reduce the temperature inside the house. Ventilation ventilation can be properly opened to reduce the concentration of harmful gases such as ammonia gas, hydrogen sulfide and carbon dioxide in the shed, keep the shed clean and sanitary, and ensure the normal growth and development of chickens.
When ventilating and ventilating, pay attention to the angle of the air inlet. The wind cannot be blown directly onto the chicken. An exhaust pipe can be installed every 3 meters in the middle of the roof, which is about 2 meters long and 30 to 40 centimeters in diameter. An unpowered fan can also be installed every 3 meters above the roof. At the same time pay attention to anti-thief wind, chicken coops import and export hanging thick cotton curtain, the greenhouse should be sealed around. In the later period, the chickens eat more and excrete more. The air in the house is polluted and the odor is large. The amount of ventilation and ventilation should be increased. Warm up when ventilating and guard against flocking.
3. Pay attention to humidity. Due to the tightness of plastic greenhouses, it is easy to cause excessive humidity in the greenhouse and affect the growth of broilers. Therefore, pay attention to humidity and moisture. First, prevent the water line from leaking; secondly, remove manure in time and replace dunnage; thirdly, put appropriate amounts of quick lime and dry soil as moisture absorbent in the house so that the humidity in the house can be maintained at 55% to 65%.
4. Keep online as much as possible. Chickens on the Internet can reduce faecal contact and reduce the chance of epidemic infection, which is particularly conducive to the control of coccidiosis and intestinal diseases. Chicken manure is leaked under the net to facilitate timely removal and reduce harmful gases at the same time; chickens are raised on the Internet to facilitate air circulation and prevent moisture. In terms of ventilation and ventilation, online feeding is also better than the ground level raising.
5. Hygiene and disinfection. Outsiders should not be allowed to visit the shed, especially other farmers, feed, veterinary drug salesmen and chicken dealers. Pay attention to the timely removal of feces, keep the chicken utensils clean and the breeder's own hygiene, in order to reduce the number of chicken disinfection, thereby reducing stress. Greenhouse can import and export sterilized blankets or disinfection basins, and should be disinfected when working.
6. Pay attention to fire prevention and gas poisoning. Every year in the winter, there are accidents involving chicken sheds and gas poisoning. Therefore, we must pay attention to safe production and pay attention to fire prevention and gas prevention.
7. Disease control. Focus on the prevention of bird flu, Newcastle disease and E. coli disease. Be careful not to "stuff chickens" and "flash chickens".
8. Strengthen immunity. Viral diseases are mainly depended on vaccination. The project and time of vaccination can be determined according to local conditions. The following is for reference only.
17 to 8 days of vaccination of Newcastle disease transmission two times 1.1 times the eyes, one drop of each nose, a new flow of oil seedlings 1 subcutaneous injection.
214 days old were vaccinated with infectious bursal vaccine (drinking water).
320 days old Newcastle disease IV line seedlings 2 to 3 times drinking water immunity.
430 days old Newcastle disease IV line seedlings 3 to 4 times drinking water immunity.
For chickens, vaccination is stressful, so raise the temperature of brooding properly during the epidemic, and add anti-stress drugs or multidimensional in drinking water for two days before and after vaccination. The vaccine dilution water is preferably cold water, and appropriate skim milk powder is added to prolong the effective period of the vaccine. Increase the number of drinking fountains before immunization to ensure that chickens can drink water; 2 to 3 hours prior to immunization, appropriate water must be stopped.
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