#$%^&*AU2015201762A120150430.pdf#####ABSTRACT The present invention provides a method for identifying or generating an attenuated mycoplasma bacterium, which bacterium comprises a mutation in at least one gene as listed 5 and use of the bacterium in a vaccine for eliciting protective immunity against mycoplasma or for detecting infection by said bacterium. 6371682_1 (GHMatters) P84201.AU.2 WENDYB