The intracellular, protozoan Theileria species parasites are the only eukaryotes known to transform another eukaryotic cell. One consequence of this parasite-dependent transformation is the acquisition of motile and invasive properties of parasitized cells in vitro and their metastatic dissemination in the animal, which causes East Coast Fever (T. parva) or Tropical Theileriosis (T. annulata). ...

A total of 300 exotic dairy cattle from various private livestock farms of district Sahiwal, Pakistan were selected to assess the incidence, effects on blood parameters, disease progression, therapeutic, and prophylactic aspects of tropical theileriosis. Animals were divided into two groups viz A and B. Group A (n=185) was kept as non-infected control whereas the group B (n=115) was diagnosed f...

Background: Theileria spp. were targeted for detection and differentiation from clinical samples using PCR in the current investigation diagnostic sensitivity of this method was evaluated comparison to microscopic observations. The characteristics bovine tropical theileriosis as markers also analysed based on data. Methods: On basis evaluation inspection blood smears, 200 cattle suspected havin...

Piroplasms are tick-transmitted, intracellular, hemoprotozoan parasites that cause anorexia, fever, anemia, and icterus. Theileriosis is caused by Theileria sergenti and causes major economic losses in grazing cattle in Japan and Korea. In May 2003, we examined the antigenic diversity of the major piroplasm surface protein (MPSP) gene in 35 healthy Jeju black cattle that were born and raised at...

Eight cattle immunized with cattle-derived Theileria parva Boleni stabilate together with six susceptible controls were released in Dombawera Game Park on the Highveld of Zimbabwe. This coincided with Rhipicephalus appendiculatus nymphal activity. The cattle grazed together with African buffaloes (Syncerus caffer) and were not treated against tick infestation. The nymphal tick infestation was h...

AIM The aim was to determine hemato-biochemical changes and rapid diagnosis of Theileria annulata in naturally infected crossbred cows. MATERIALS AND METHODS Blood samples from lactating crossbred cows (n=40) between 3 and 7 years of age and showing clinical signs of tropical theileriosis were collected, with or without anticoagulant, and analyzed for tropical theileriosis by direct smear, di...

This case report aimed to alert veterinarians of the possibility simultaneous infections with more than one Theileria species in cattle herds Zimbabwe. Cows (N=7) and a postmortem specimen from dairy farm located Chivhu, Mashonaland East province, Zimbabwe were presented for clinical examination, respectively. On history taking, herd had decrease milk yield high cow mortalities. The live animal...