Abnormal climate change in winter is the high incidence of disease. The prevention and treatment of broiler diseases at this stage should start with the following aspects.
1. Strengthen sanitation
In the prevention and treatment of chicken diseases, disinfection must always be placed in an important position. It is necessary to do a good job of the three links, that is, the disinfection of chickens before entering the house, during the whole breeding period, and after selling chickens.
Before the chicks are placed in the house, the chicken house and utensils should be washed and disinfected (the house should be sterilized more than three times).
There are three main points to keep in mind during the entire breeding period: a disinfection tank should be set up at the entrance of the chicken house, and disinfectant water should be changed frequently. Before feeding chickens, change the overalls and pay attention to the disinfection of hands and shoes. It is necessary to insist on the regular disinfection of chicken houses both inside and outside, usually two times a week in winter and spring, and increase the frequency of disinfection when the flock is onset.
After the sale of chickens, chicken excrement inside and outside the chicken house should be promptly removed, and the internal and external utensils of the house should be thoroughly cleaned, rinsed and disinfected.
2. The correct vaccination
The farmers should strictly inoculate a good vaccine according to the immunization program suitable for the local epidemic. Correct vaccination should pay attention to the following issues: vaccine species should be consistent with the age of the flock; all kinds of vaccine inoculation methods (mainly eye drops, nasal drops, injections, stabbing, etc.) have strict regulations, should follow the instructions to do Dilution of vaccine is usually done with special diluent or distilled water. Diluted vaccine must be used up within the specified time. Each chicken should be vaccinated well. Attention should be paid to the storage of the vaccine. Do not administer eye drops or intranasal immunization for 24 hours or before. Spray and water disinfection.
3. Strengthen feeding management
The comfortable environment not only enables the chickens to produce maximum production capacity, but also reduces the occurrence of diseases and maximizes economic benefits.
Temperature is one of the main factors in the brooding stage, and the proper temperature can exert the maximum benefit of the feed. If the temperature is too low, it may cause respiratory disease and death in chickens. The temperature and sensory combination can be used to judge whether the temperature is suitable.
Fresh air in the house can avoid respiratory diseases. Harmful gases or dust in the air can affect the health of chickens and even cause death. The anaerobic bacteria in the house decompose fecal matter and nitrogen-containing organic matter to produce ammonia gas. When the concentration of ammonia gas in the house is 1510-6, people feel uncomfortable. In winter and spring seasons, when carbon stoves are used for thermal insulation, large amounts of carbon monoxide are produced. , Carbon dioxide, hydrogen sulfide and other harmful gases, so should not reduce the normal temperature under the premise of ventilation, reduce the harmful gas and dust in the house.
Density is too large to cause imbalance in the growth of chickens, and harmful gases in the air increase. Especially in the spring, the humidity is high, and chickens are susceptible to E. coli, coccidia, staphylococcus, etc., and the disease epidemics can be accelerated. Therefore, broilers are generally controlled at about 10 per square meter.
Reduce stress response. Excessive noise, transfer, vaccination, and weather mutations are an unpleasant stimulus for chickens and can often cause morbidity. Avoid unnecessary catching and disturbing as much as possible during feeding. Anticompetitive drugs can be given for prevention before transfer and vaccination, and cold stress caused by temperature drop can be handled well.
4. Regular drug prevention
Viral diseases are all achieved through the vaccination of the vaccine to achieve the purpose of prevention, and most of the bacterial diseases rely on the regular injection of drugs to achieve the purpose of prevention. Bacterial diseases and parasitic diseases in winter are mainly E. coli disease, Salmonella disease, chronic respiratory disease, coccidiosis, etc. Most of these diseases are related to age and environmental changes, which require According to different circumstances to develop different medication prevention procedures. To correctly arrange the use of drugs, it is necessary to first understand the diseases that are easy to infect at different ages and stages of feeding, and timely administration of drugs can achieve the purpose of prevention.
5. Early detection of diseased chickens as soon as possible
Early detection of the disease can be implemented as soon as possible so as not to delay the best timing of treatment. Early detection of the disease can start from the following aspects: daily inspection of the flock (preferably in the morning), pay attention to observe the symptoms, especially the flock spirits, activity and fecal status; observation of the daily feed intake of chickens, once the leftovers More often, there may be a certain number of chickens; every night outside the house, listen to chickens for bad breath sounds. Find problems and deal with them in time.
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