8] colony forming units (cfu) of Salmonella Enteritidis originally isolated from chickens during the study [3] then received orally 50 ppm ciprofloxacin (intensively used in our country in poultry farms for preventive and therapeutic purposes) in their drinking water for 5 days [22] as per the manufacturer's instructions.
Different phenotypic and genotypic methods have been used to subtype Salmonella Enteritidis, including techniques such as phage typing and pulsed-field gel electrophoresis (PFGE).
A Salmonella Enteritidis (SE) tem sido o sorovar mais frequente em aves e ambientes avicolas nos ultimos anos no Brasil e no mundo, e o agente mais importante causador de infeccoes alimentares (1-3).