“…Although direct evidence of this mechanism of transmission of S. choleraesuis is not available yet, it seems likely that the habit of eating pig offal accounts in part at least for the prevalence of S. choleraesuis infection in the local population. The occasional infections reported in dogs (Galton, Scatterday & Hardy, 1952), cats (Huang Chan-Teoh, 1964) and rats (Fournier, 1939) suggest that these animals may play a part in transmission too.…”