Garcia M M, Truscott R B, McLaren J, Stewart R B, Kingscote B, Burchak J
Vet Rec. 1986 Jul 5;119(1):11-2. doi: 10.1136/vr.119.1.11.
From 1979 to 1984 approximately 2950 unprocessed frozen semen samples from nine Canadian artificial insemination centres were cultured for Mycoplasma bovis. M bovis was not detected in any of them.