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Wabacha JK Gitau GK Bebora LC Bwanga CO Wamuri ZM Mbithi PM 《Journal of the South African Veterinary Association》1998,69(4):172-173
Persistent dermatomycosis (ringworm) caused by Trichophyton verrucosum affected 20 dairy calves aged between 3 months and 1 year and housed together. The infection also spread to 2 animal attendants working among the calves. The major clinical lesions observed on the affected calves were extensive alopecia and/or circumscribed thick hairless skin patches affecting the head, neck, flanks and limbs. The observed lesions persisted for more than 17 weeks and most of the calves did not respond to topical treatment with various anti-fungal drugs within the anticipated period of 9 weeks. Two animal attendants developed skin lesions that were circumscribed and itchy and there was good response to treatment following the application of anti-fungal skin ointment. Although ringworm in dairy animals in Kenya has not previously been associated with spread to humans, the potential is evident from this report. 相似文献
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Viral nucleoprotein localization and lesions of Newcastle disease in tissues of indigenous ducks 总被引：1，自引：0，他引：1
Njagi LW Mbuthia PG Nyaga PN Bebora LC Minga UM 《Tropical animal health and production》2012,44(4):747-750
Localization of Newcastle disease viral nucleoprotein and pathological lesions was evaluated in tissues of 55 indigenous ducks
(45 experimentally infected and 10 sentinel ones). In addition, ten Newcastle disease infected chickens were used to ensure
that the virus inoculum administered to the ducks produced the disease in chickens, the susceptible hosts. Ducks were killed
on day 1, 4, 8 and 14 post-infection. Post-mortem examination was done with six tissues (liver, spleen, lung, caecal tonsils,
kidneys and brain) being collected from each bird. The tissues were preserved in 10% neutral formalin for 24 h. They were
then transferred to 70% ethanol for histology and immunohistochemical staining. Airsacculitis, necrotic splenic foci, congested
intestines, lymphoid depleted caecal tonsils and focal infiltrations by mononuclear cells were the main pathological lesions
in infected ducks. Over 28.9% of the infected ducks had Newcastle disease viral nucleoprotein in macrophage-like large mononuclear
cells in the caecal tonsils and kidney tubular epithelium. The viral antigens were located in the cytoplasm and nucleolus
of the cells. The other organs had no detectable viral antigens. This study shows that the kidneys and caecal tonsils are
the likely predilection sites for the virus in ducks. They thus need to be considered as diagnostic indicators for the viral
carriage in ducks. 相似文献
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