Fig. 147:2. Closeups of colonies of Streptococcus suis, cultivated on horse blood agar in 5% CO2 during 24 h at 37°C. Image A and B show an α-hemolysing strain of S. suis and image B and C show a ß-hemolysing strain of S. suis. Image A and C are photographed with lighting from above and image B and D with lighting from below. Note the visual difference between α- and ß-hemolysis, which is best observed with lighting from below. The length of the scale bars is equivalent to 5 mm. Date: 2018-06-15.
Credit: Anna Werinder (KV, SLU), Ingrid Hansson (BVF, SLU) & Karl-Erik Johansson (BVF, SLU)
This work is licensed under a Creative Commons Attribution 2.5 Sweden License.