In winter, the excrement of feces and damp litter from chickens is often not cleared in time, resulting in the accumulation of ammonia gas in the house and an increase in the concentration, which results in broiler ammonia poisoning or other diseases.
When the ammonia concentration in the chicken house reaches 20 ppm for 6 weeks, chicken lung congestion and edema, chicken appetite loss, and egg production rate will be reduced; when it reaches 50 ppm, it will lead to laryngeal edema and necrosis after a few days. Bronchitis, pulmonary hemorrhage, reduced respiratory rate, severe death; up to 80 ppm and lasting 2 months can result in a 90% reduction in egg production and increased mortality; up to 100 ppm mortality will be obviously increase.
Because of the accumulation of ammonia in the homes, the relative lack of oxygen, coupled with the cold weather, the chicken's metabolic rate increased, for fast-growing broilers, it is easy to trigger ascites syndrome. In order to prevent the adverse effects of ammonia on broilers, it is recommended that the chicken farm (household) do a good job of the following feeding and management work: the laid litter must have a certain thickness, generally 5 cm or more; minimize watering during operation to prevent water leakage from the water tank Wet litter; if the humidity inside the house is too large, the house waste and damp litter should be removed in time. In addition, ammonia absorption and deodorizing agent can be used to reduce the ammonia concentration of the house. Commonly used are ferrous sulfate, superphosphoric acid, copper sulfate, hydrated lime and the like.
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