Table 5: Cultural and biochemical characterisation of bacteria from tank ponds in Ile-Ife, Osun State.

Isolate
Code
Cultural Characteristics on Agar Cell Shape Gram
Reaction
Catalase Citrate Indole Coagulase Suspected Organism
T207 Black, round, entire, flat on SSA R - N.A + - - Salmonella sp.
T208 Pink, round, entire, raised on EMB agar R - N.A + - - Klebsiella sp.
T209 Greenish metallic sheen, irregular, entire, flat on EMB agar R - N.A - + - E. coli
T210 Purple, round, entire, raised on EMB agar R - N.A + - - Enterobacter sp.
T211 Greenish metallic sheen, irregular, entire, flat on EMB agar R - N.A - + - E. coli

C: Cocci, R: Rod, -: Negative, +: positive, S. aureus: Staphylococcus aureus, sp.: species, EMB: Eosine methylene blue, SSA: Salmonella and Shigella agar; N.A: Not applicable