Tylosin is a macrolid, bacteriostatic antibiotic that has activity against most Gram - positive and Gram -
negative cocci, Gram - positive rods and Mycoplasma.
Strain NZ1587 (T) was Gram - positive,
coccus - shaped and arranged as chains, catalase and coagulase
negative, γ - haemolytic and
negative for Lancefield carbohydrates (A-D, F and G).