MOLECULAR CHARACTERIZATION OF THE AEROMONAS HYDROPHILA AROA GENE AND POTENTIAL USE OF AN AUXOTROPHIC AROA MUTANT AS A LIVE ATTENUATED VACCINE

C. HERNANZ, E. FLA?O., P. L?PEZ-FIERRO, A. VILLENA, J. ANGUITA, A. CASC?N, M. S?NCHEZ, B, RAZQU?N, G. NAHARRO