Main composition: Spectiomycin Hydrochloride and Lincomycin Hydrochloride Appearance: White or almost white powder Indication: For the treatment of gram-positive bacteria, Gram-negative bacteria and mycoplasma infection. Administration and Dosage: Subcutaneous or intramuscular injection Mixed drink: poultry 0.5-0.8g in 1L water ,continuously used 3-5days. Precautions: It only can be used in chicken of 5-7days. Withdrawal period: swine 21days; fowl 7days. Specification: 100g; Spectiomycin 40g + Lincomycin 20g Validity: 2 Years Storage: Keep in a dark and dry place, tightly sealed.