Abstract
Salmonella spp. are Gram-negative microorganisms. Currently, there are over 2500 serovars of Salmonella. Salmonella enterica subspecies enterica serovar Gallinarum biovar Gallinarum (SG) and biovar Pullorum (SP) are two non-flagellated biovars causative of two different avian systemic diseases, fowl typhoid and pullorum disease, respectively. It is believed that the absence of flagella in…