M. E. van Heerden

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Both Chlamydophila psittaci and avian pneumovirus (APV) are highly prevalent in Belgian turkeys and might contribute to the respiratory disease complex observed in turkeys. Initial outbreaks of chlamydiosis occur mostly at the age of 4-8 weeks, often accompanied by an APV infection in APV non-vaccinated farms. Regardless APV vaccination, breakthroughs of(More)
In a previous paper we reported on our and our students' initial experiences with a webinar (WEB-based-semINAR) tool in a low bandwidth environment where the student body was largely previously disadvantaged. Several issues that impacted on the ease of use and usefulness of the tool were identified. We concluded the research by stating that as early(More)
Ten equine skin tumors that had been classified as schwannomas on routine histological examination were analyzed by polymerase chain reaction for bovine papillomavirus DNA. All 10 were positive for bovine papillomavirus 1 or 2, and all 10 were immunohistochemically negative for S-100 protein and strongly positive for vimentin. Nine tumors were moderately(More)
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