<prompt> The following are gas producing salmonella except-S. typhiS. enteritidisS. typhimuriumS. choleraesuis  <response>: Salmonella ferment sugar producing acid gas except S. typhi which is anerogenic. SALMONELLA are motile with the presence of peritrichous flagella except Salmonella gallinarum and Salmonella pullorum ,which are non-motile. 