陕西的刘树生是个养鸡专业户,虽然养殖规模不大,日子还过得去。自从2003年他家的鸡染上了鸡瘟后,他把几年赚的钱都赔了进去。由于发病率高,光是买兽药花的钱就是一笔不小的开支。去年,刘树生偶然听一个朋友说起西安德润公司的畜禽绿色养殖仪,朋友说这种设备专门用于家畜、家禽养殖,可以在少用兽药的情况下有效防治畜禽疾病,不仅省下一大笔开支,还能提高饲料转化率,使畜禽增重快,早出栏,从而降 Liu Shusheng of Shaanxi is a specialized chicken farmer. Although the farming scale is small, the days are still decent. Since his chicken was infected with chicken in 2003, he has lost all the money he has earned for several years. Due to the high incidence, the money spent on veterinary drugs is no small expense. Last year, Liu Shusheng heard a friend from time to time talking about Xi’an Derun’s livestock and poultry green aquaculture equipment. Friends said that this equipment is specially used for livestock and poultry breeding, and can effectively prevent and treat livestock and poultry diseases in the absence of veterinary drugs. A large expenditure can also increase the feed conversion rate, increase the weight of livestock and poultry, and early slaughter, thus reducing