original data-results of pathogenicity test .xlsx

27 four-week-old SPF (Specific Pathogen Free) Leghorn chicken were randomly divided into three groups. One group was set as the negative control, while the other two groups were inoculated with ZX313 strain or SD2 strain of mycoplasma synoviae. Two weeks post infection (wpi.), the live chickens were humanely euthanized and necropsied. The degree of disease occurrence was scored according to the degree of lesions in the tarsal joint, foot pad, and breastbone.Tracheal, tarsal joint, foot pad, and breastbone samples were collected to detect the mycoplasma load