7 research outputs found
La maladie caséeuse chez des chèvres au Soudan
La maladie caséeuse a été décrite pour la première fois chez des chèvres naturellement infectées au Soudan. Un staphylocoque anaérobie déficient respiratoire a été isolé sous sa forme pure. Ses propriétés biochimiques ont été étudiées. La maladie a été reproduite expérimentalement chez les chèvres avec succès
In vivo evaluation of antiseptics and disinfectants on control of Caseous Lymphadenitis: clinical, haematological, serological and microbiological monitoring
The pulmonary involvement in Theileria lestoquardi naturally infected sheep
Malignant Ovine Theileriosis (MOT) caused by Theileria lestoquardi is considered a major constraint for
sheep production in many areas of the world including Sudan. Pulmonary oedema is thought to be the main cause of
animal death, but the mechanism, the cell types involved and/or the probable cause of this pneumonia has yet to be
defined. The present study was carried out to investigate the pulmonary involvement post T. lestoquardi infection and
to identify the cell types involved in pneumonia. Apparently healthy sheep were exposed to ticks challenge in
T. lestoquardi endemic area. Lungs impression smears and tissue sections for histopathology were processed. At
necropsy, fifteen infected sheep revealed severe pneumonia associated with oedema and accumulation of creamygrayish
frothy exudates. The microscopic findings of examined lungs showed emphysema, congestion, collapse and
proliferation of immense amount of different kinds of cells. The current study indicates that T. lestoquardi infections are
accompanied with remarkable pulmonary involvements and may lead to respiratory failure and death
Molecular identification of different Theileria and Babesia species infecting sheep in Sudan
The epidemiological aspects of sheep piroplasmosis in Sudan are poorly studied, and further
investigations using sensitive and precise techniques are required. In this study, the Reverse Line Blot (RLB)
hybridization assay was used to detect and simultaneously differentiate between Theileria and Babesia species. DNA
was extracted from blood collected on filter paper (n=219) from apparently healthy sheep from six different
geographical localities in Sudan. Results indicated that Theileria ovis (88.6%), T. separata (20.1%), T. lestoquardi
(16.4%) and T. annulata (16.4%) DNA could be detected in the blood samples. Single and mixed Theileria infections
were detected in 74 (33.8%) and 124 (56.6%) respectively and T. ovis being the most prevalent species in the country.
T. ovis and T. separata were reported for the first time in sheep in Sudan