Category Archives: Images

Many bacteria produce so-called exotoxins. Some of nature’s most potent toxins are found among these. The lethal dose for humans of e.g. the botulinum toxin is only 1-2 ng (1 ng = 0.000 000 001 g) per kg body weight … Continue reading →

In Sweden, the proportion of S. uberis induced acute clinical mastitis constituted 11% over the past 10 years. SELMA and SELMA Plus plates are used for cultivation of milk samples from suspected mastitis cases. It is often possible to make … Continue reading →

  Bordetella bronchiseptica is an impotant bacterium in veterinary medicine. This bacterium cause primary and secondary airway infections in dogs and pigs. The old images on the bacterial page of B. bronchiseptica have been replaced by images of higher quality … Continue reading →

Old VetBact images of Salmonella enterica subsp. enterica and Escherichia coli (cultivated on bovine blood agar) have now been replaced with images of improved quality. Images of S. enterica and E. coli  cultivated on purple agar and on special media … Continue reading →

Over 300 pictures are included in VetBact (you can see thumb nail images of most of them by chosing  Images on the start page). In connection with the latest course in Bacteriology for veterinary students (sep-oct 2011), several new pictures … Continue reading →

We have now introduced new images and replaced old ones of Klebsiella pneumoniae subsp. pneumoniae and Klebsiella oxytoca in VetBact. The former species may cause mastitis in cows, urinary tract infections in dogs and pneumonia in calves and foals. The … Continue reading →

Six new images of Streptococcus canis has been included in VetBact. Fereshteh Banihashem (Natl. Vet. Inst., Uppsala) has prepared the agar plates for morphological comparisons and Lise-Lotte Fernström (SLU) has performed the Gram staining and the CAMP test. S. canis … Continue reading →

Members of the phylum Spirochaetes (trivial name: spirochetes) have a very special morphology. They are very thin and rather long (about 0.1-0.3 x 10-20 µm) and spiral shaped. However, in the case of members of the genus Borrelia, the spiral … Continue reading →

We have added a new Gram staining image of Streptococcus agalactiae, strain 09mas018883, and we have replaced one Gram staining image of S. uberis, strain VB 004/11, which was of bad quality, with a new one. Lise-Lotte Fernstöm (BVF, SLU) … Continue reading →

Streptococcus agalactiae cause mastitis in cattle and some other ruminants. We have included new colony images of S. agalactiae on VetBact. The bacteria have been cultivated on bovine blood agar,  a SELMA-plate and purple agar (with lactose). We have also … Continue reading →