500g*30 bags/carton.1. After the occurrence of respiratory tract in chickens, a course of dose of mycoplasma drugs is ineffective. 2. Acute balloon inflammation, bronchial embolism, generally 1-2 days can be the whole group of infection, and is mostly related to weather mutation, cold stress. 3. The chickens stretched their necks and cried strangely.1. After microencapsulation treatment, the blood drug concentration, lung drug concentration, absorption and utilization of Sublar S dosage form have been greatly improved. 2. Long duration of effective drug concentration in lung tissue. 3. Wider antibacterial spectrum, highly sensitive to bacterial pathogens causing respiratory tract infection, strong killing effect on Both G+ and G-bacteria. 4. Better palatability, not affecting drinking water and food intake. 5. It is safer to treat balloon inflammation without injuring liver and kidney, spleen and stomach. 6. No drug residue, more suitable for export of poultry.Each bag is 500g and mixed with 750kg water.