A total of 290 nasalswabs were sampled from calves, healthy or with whgns of chronic respiratory distress, age between 2 to 6 months old, distributed to different daily farms from 13 districits of Taiwan. Of which, 102 strains belonged to mycoplasmatales were isolated (isolation rate: 35.17%) and identified, biochemical and serologically, as follows:
Mycoplasma bovirhinis 35(strains)
M.group7 M.dispar 12
M. alkalesces 2
Acholeplsma laidlawii 21
Besides, 4 unidentified strains of mycoplasma sp. were also ‘isolated from the conjunctival discharge of 22 cows with infectious bovine kerato-conjunctivitis4ikelesion.