Identification of Two Pathogenic Avian Mycoplasmas as Strains of Mycoplasma pullorum

^* Corresponding author. Mailing address: Laboratoire de Biologie Cellulaire et Moléculaire, INRA, 71 avenue Edouard-Bourleaux, B.P. 81, 33883 Villenave d'Ornon Cedex, France. Phone: (33) 5 56 84 31 50. Fax: (33) 5 56 84 31 59. E-mail: laigret{at}bordeaux.inra.fr .