Because it is more difficult to control disease in chickens in the wild, it is necessary to formulate a set of disease prevention programs and implement them strictly during the rearing period.
Woodland disinfection
Woodland can be divided into a number of breeding areas, which are separated by a draw-net between the two areas, and an epidemic prevention groove of 2 meters in depth and 1.5 meters in depth is dug between the two areas. The different pastoral areas are rotated in rotation, with no more than 30 days in each round. Disinfect the reared areas during the interval.
Reasonable nutrition
Reasonably formulate feeds to improve the health of the flock. After the chickens have been defrosted, they can be stocked in the forest. The best time for stocking is from the beginning of April to the end of October. In other months, “feeding is the mainstay, supplemented by stockingâ€, the amount of supplementary feed is determined according to the principle of “half full in the morning and moderate in the eveningâ€. In the summertime, some incandescent lamps can be hung in the woodland to attract insects for feeding.
Regular disinfection
The surrounding environment of the chicken house is sterilized or sprinkled with lime once every 2 to 3 weeks with 2% alkali liquor; around the chicken farm and on-site sewage pool, excreta pit and sewer outlet, every 1 to 2 months is disinfected with bleaching powder once. Before spraying into the chicken or group, spray the chicken house with 0.1% benzalkonium, 4% sura, 0.2% peracetic acid and other disinfectants. Disinfect chicken twice a week. (Do not sterilize chickens for three days before and after immunization. Do not use sterilizing agents that irritate the respiratory tract). With chicken disinfection commonly used 0.3% peracetic acid, 0.1% benzalkonium bromide, 0.1% sodium hypochlorite and so on. In the event of an outbreak, sheds, excreta, venues, utensils, articles, etc. are sterilized daily. The summer sink is cleaned daily and disinfected with disinfectant once.
Develop immunization procedures
The environment of chickens in woodland is open and the epidemic prevention should pay enough attention. Conditional antibody levels can be tested for Newcastle disease, Bursal Disease, and other diseases. Depending on the test results, select the right time for immunization. The general immunization procedure is:
One-day-old Marek's vaccine was injected.
3 - 5 days old new chicken double vaccine (II, H120), nasal or drinking water.
7-10 days old chicken vaccinal vaccine, nasal drops or drinking water.
A 15-day-old bird flu vaccine, H5N1, was injected subcutaneously.
30-day-old chicks with new branch (II, H52), nasal drops or drinking water.
A 55-day-old chickenpox vaccine was inoculated and a subcutaneous puncture was performed on the inner side of the wing.
60 days old chicken Newcastle disease I seedlings, subcutaneous or chest muscle injection.
An 80-day-old chickenpox vaccination was performed and a subcutaneous puncture was performed on the inner side of the wing without a blood vessel.
All-in all-out
In order to strengthen the prevention of flock diseases and improve the production performance and labor efficiency of the flock, we must adopt an all-in, full-fed feeding system. After all batches of chickens are sold, the chicken coops, venues and utensils are thoroughly cleaned. Select disinfectant spray or soak disinfection 2-3 times, each disinfection interval requires more than 12 hours, sterilized after vacant for more than 2 weeks, in the next batch of chickens into the brood 3-5 days before a full disinfection. Remove all kinds of weeds and rubbish within 10 meters of the forest and the surrounding area, and disinfect and spray them with disinfectant.
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