نتایج جستجو برای: macrorhabdus ornithogaster

تعداد نتایج: 22  

 مقدمه و هدف: Macrorhabdus ornithogaster یک مخمر آسکومیست آنامورفیک است که فقط در معده پرندگان یافت می شود.عفونت اغلب خوش خیم است اما در بعضی از گونه های پرندگان تحت شرایطی می تواند ایجاد بیماری کند. رشد M. ornithogaster در شرایط آزمایشگاهی موفقیت آمیز نبوده است. با توجه به نگهداری پرندگان زینتی مختلف کنار هم و امکان انتقال ارگانیسم M. ornithogaster به پرندگان، خطر انتقال بیماری در این پرن...

Journal: :Research, Society and Development 2022

Megabacteriose constitui designação genérica aplicada a uma importante doença infecciosa aviária, inicialmente diagnosticada em periquitos, canários e avestruzes, mas que nos últimos anos tem sido observada outras espécies, como mamíferos. Apesar dos esforços da ciência, classificação taxonômica do microrganismo causador desordem ainda não está bem estabelecida. A existência de indivíduos assin...

Journal: :International journal of systematic and evolutionary microbiology 2003
Elizabeth K Tomaszewski Kathleen S Logan Karen F Snowden Cletus P Kurtzman David N Phalen

An organism commonly referred to as 'megabacterium' colonizes the gastric isthmus of many species of birds. It is weakly gram-positive and periodic acid-Schiff-positive and stains with silver stains. Previous studies have shown that it has a nucleus and a cell wall similar to those seen in fungi. Calcofluor white M2R staining suggests that the cell wall contains chitin, a eukaryote-specific sub...

Macrorhabdosis is a debilitating syndrome in budgerigars (Melopsittacus undulatus) due to theascomycetous yeast Macrorhabdus ornithogaster. In the present study, occurrences of acutemacrorhabdosis resulting in severe mortality in budgerigar fledglings and the effect of differenttreatment regimens for the control of the disease were investigated. The budgerigar (Melopsittacusundulates) flock con...

2015
Seyed Ahmad Madani Mohammad Reza Haddad-Marandi Fatemeh Arabkhazaeli

A dead canary from a mixed species zoological garden was presented for diagnostic necropsy. Cachexia with prominent atrophy of pectoral muscles, yellowish brown discoloration of the liver and kidney, dark brown to black intestinal contents and moderate proventricular dilatation with some degree of catarrhal gastritis were the significant macroscopic findings. Parenchymatous organs like the live...

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