Bacillus cereus infection-associated pneumonia in an African grey parrot (Psittacus erithacus erithacus)

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• 作者：Rinku Sharma ; Deepak Bhiva Rawool ; Rajendra Damu Patil…
• 关键词：African grey parrot ; Bacillus cereus ; Lungs ; Suppurative pneumonia ; Sequence analysis
• 刊名：Comparative Clinical Pathology
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：25
• 期：1
• 页码：231-235
• 全文大小：939 KB
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• 作者单位：Rinku Sharma (1)
  Deepak Bhiva Rawool (2)
  Rajendra Damu Patil (3)
  V. Mohan (2)
  Vijay Kumar (4)
  Haroon Ashraf Parimoo (1)
  Uma Shankar Pati (1)
  Birbal Singh (1)
  Tej Krishan Bhat (1)
  
  1. Disease Investigation Laboratory, ICAR-Indian Veterinary Research Institute, Regional Station, Palampur, 176 061, Himachal Pradesh, India
  2. Division of Veterinary Public Health, ICAR-Indian Veterinary Research Institute, Izatnagar, UP, India
  3. Department of Veterinary Pathology, DGCN COVAS, CSK HPKV, Palampur, HP, India
  4. Dhauladhar Nature Park (Zoo), Gopalpur, HP, India
  
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Pathology
  Hematology
  Oncology
  
• 出版者：Springer London
• ISSN：1618-565X

文摘

Bacillus cereus infection-associated suppurative pneumonia was recorded in an adult African grey parrot (Psittacus erithacus erithacus). Grossly, the diaphragmatic lung lobes showed presence of multiple, irregular, creamy colored areas over the surface. The adjacent parenchyma appeared congested and pneumonic. Histopathologically, multifocal areas of abscesses characterized by presence of necrotic cell shreds, fibrin, and collection of heterophils with presence of bacterial aggregates were observed in the lungs. Taylor’s staining revealed presence of multiple aggregates of Gram-positive bacteria within fibrin shreds in the necrotic debris in the lungs. Other vital organs such as heart, liver, and brain revealed variably engorged and dilated blood vasculature, and the intestine showed hemorrhagic enteritis. Thus, based on above pathological findings and the partial sequence analysis report of 16S rRNA gene (919 bp) amplified from a DNA extracted from the lung tissue, B. cereus was predicted as a causative agent for the death of the psittacine bird. Thus, to the best of our knowledge, B. cereus-associated suppurative pneumonia in African grey parrot appears to be the first report from India. Keywords African grey parrot Bacillus cereus Lungs Suppurative pneumonia Sequence analysis