Lane 1, M. gallisepticum; Lane 2, M. synoviae; Lane 3, both MG and MS; Lane 4, M. gallinarium; Lane 5, Acholeplasma laidlawii; Lane 6, M. bovis (ATCC 25230); Lane 7, M. colloumbinsale (field isolate); Lane 8, Lactobacillus spp.; Lane 9, E. coli; Lane 10, negative control.