Trichomonas Gallinae in East Anglian Columbids
| المؤلف الرئيسي: | Al Refaei, Abd Alwahed Fahad (Author) |
|---|---|
| مؤلفين آخرين: | Lawson, Becki (Advisor) , Bell, Diana (Advisor) , Tyler, Kevin (Advisor) , Cunningham, Andrew (Advisor) |
| التاريخ الميلادي: |
2012
|
| موقع: | نورويتش |
| الصفحات: | 1 - 38 |
| رقم MD: | 603032 |
| نوع المحتوى: | رسائل جامعية |
| اللغة: | الإنجليزية |
| الدرجة العلمية: | رسالة ماجستير |
| الجامعة: | University of East Anglia |
| الكلية: | School of Environmental Sciences |
| الدولة: | بريطانيا |
| قواعد المعلومات: | +Dissertations |
| مواضيع: | |
| رابط المحتوى: |
الناشر لهذه المادة لم يسمح بإتاحتها. |
| المستخلص: |
Trichomonas gallinae a single cell protozoan parasite, is the causative agent of the trichomonosis disease, which commonly infects a range species of columbids and birds of prey. Columba livia (the Rock Dove) is considered the primary host of T. gallinae. Trichomonosis has a world-wide distribution, and has recently been highlighted as a pandemic threat to finches in Europe, Canada and North America. Since 2005, when trichomonosis was first found in wild finches in Great Britain, it has caused unprecedented population declines in Greenfinches and Chaffinches via a clonal epidemic strain. This study determines the prevalence of T. gallinae in Norfolk and Suffolk counties in different species of pigeon, and identifies the genotype of the strains from the different groups using polymerase chain reaction (PCR). Sequence analyses of the ITS1/5.8S rRNA/ITS2 region and the Fe-hydrogenase gene indicate variation in these parasite strains found in samples collected from Woodpigeons, Rock Doves and Stock Doves; this is the first investigation of T. gallinae in the latter. Two new strains of T. gallinae are found in Woodpigeons and Rock Doves in Norfolk. Additional studies of T. gallinae sequences from the UK are needed to improve our understanding of the molecular epidemiology of the parasite in free-ranging bird populations. |
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