Microscopic appearance of coccidial oocysts in sheep faeces. Numerous round oocysts are present. The slide was prepared by the flotation technique of infected sheep faeces.

The liver is the seat of infection with the Eimeria stiedae parasite in rabbits. The photo show numerous white nodules in a rabbit liver. Each nodule comprises thousands of the various developmental stages of the organism.

After being bitten by an infected tick E. ruminantium enters the animal in the saliva of the tick. Initial multiplication of the parasiteprobably takes place in cells of the lymph node regional to the tick bite from where ...

Trypanosoma brucei is a parasitic protist species and one of the important species which cause nagana or African animal trypanosomosis in human and animals in Africa. There are 3 sub-species of Trypanosoma brucei: T.b.brucei, ...

Close up corner view of the main building at the ARC Onderstepoort Veterinary Research and Biotechnology Platform (formerly Onderstepoort Veterinary Research Institute)

Distant side view of the main building at the ARC Onderstepoort Veterinary Research and Biotechnology Platform (formerly Onderstepoort Veterinary Research Institute)

The lesion, petechiation of the conjunctiva, is present in some cases of heartwater

The small intestines are unopened. The numerous white foci, 1-2 mm in diameter each comprise an area in the mucosa where there is a severe infection of epithelial cells. The reddened, hyperaemic intestinal wall indicates ...

Turning sickness or cerebral theileriosis is an uncommon aberrant form of infection by Theileria parva or Theileria taurotragi in which lymphoblasts parasitized by schizonts accumulate in cerebral vessels leading to ...

Turning sickness or cerebral theileriosis is an uncommon aberrant form of infection by Theileria parva or Theileria taurotragi in which lymphoblasts parasitized by schizonts accumulate in cerebral vessels leading to ...