1. Air pollution: When quail is cultured indoors, a large amount of feces and urine will be discharged, and these wastes will release harmful gases such as ammonia and hydrogen sulfide, which will seriously affect indoor air quality and pose a threat to human health.
2. Noise disturbs people: Keeping quails indoors will make noise, especially during the breeding season, which will interfere with the rest and life of the surrounding residents and even lead to neighborhood disputes.
3. The spread of infectious diseases: quail is intensively cultivated indoors, which is easy to cause the spread of infectious diseases. Common infectious diseases of quail include avian influenza and Newcastle disease. These pathogens will spread to humans through quail feces, respiratory secretions and other ways, posing a threat to human health.
4. It is difficult to treat the feces: quail feces cultured indoors have a large output and are difficult to treat. If it is not handled properly, it will produce stench and pollution, which will affect the living environment.
On October 4th, 65438/kloc-0, late at night, 32 years later, Yu Changhua met his mother again on the way from his hometown 1600 km to Chengdu.
When Yu Changhua was 3 y