Abstract
Present research has how aim to evaluate the therapeutic efficacy, clinic and ecotoxicological safety of the fosfomicine antibiotic, administered by oral to add in the ration, for Aeromonas hydrophila and Streptococcus agalactiae treatment in Oreochromis niloticus. For this, six experiments will be performed: The fosfomicine safety will be to evaluate in amount dose-answer study, evaluati…