1. Kobisch M, Friis NF (1996) Swine mycoplasmoses. Rev Sci Tech 15:1569–1605
2. Maes D, Deluyker H, Verdonck M, Castryck F, Miry C, Lein A, Vrijens B, de Kruif A (1998) The effect of vaccination against Mycoplasma hyopneumoniae in pig herds with a continuous production system. Zentralbl Veterinarmed B 45:495–505
3. Pointon AM, Byrt D, Heap P (1985) Effect of enzootic pneumonia of pigs on growth performance. Aust Vet J 62:13–18
4. Ciprian A, Pijoan C, Cruz T, Camacho J, Tortora J, Colmenares G, Lopez-Revilla R, de la Garza M (1988) Mycoplasma hyopneumoniae increases the susceptibility of pigs to experimental Pasteurella multocida pneumonia. Can J Vet Res 52:434–438
5. Maes D, Verdonck M, Deluyker H, de Kruif A (1996) Enzootic pneumonia in pigs. Vet Q 18:104–109