**5.1.3.5 Appearance of** *Salmonella* **colonies in bismuth sulphite agar**

*Salmonella* colonies appear as brown, gray or black. Sometimes they show a metallic brightness. The medium which surrounds the colony is brown at first. It becomes black when incubation period extends. Some strains make green colonies and they make the surrounding medium to black very less or they do not make blackness (*Figure 8)*.

Fig. 8. Appearance of *Salmonella* colonies in Bismuth sulphite agar

*Salmonella* colonies are colorless or very light pink, opaque or semi-transparent. Some of *Salmonellas* reproduce as black or gray in the middle and colorless on the sided (*Figure 7)*.

*Salmonella* colonies appear as brown, gray or black. Sometimes they show a metallic brightness. The medium which surrounds the colony is brown at first. It becomes black when incubation period extends. Some strains make green colonies and they make the

surrounding medium to black very less or they do not make blackness (*Figure 8)*.

**5.1.3.4 Appearance of** *Salmonella* **colonies in desoxyholate citrate agar** 

Fig. 7. Appearance of *Salmonella* colonies in desoxyholate citrate agar **5.1.3.5 Appearance of** *Salmonella* **colonies in bismuth sulphite agar** 

Fig. 8. Appearance of *Salmonella* colonies in Bismuth sulphite agar
