Bacterial sinusitis as a cause of beak deformity in an Antipodes Island parakeet (Cyanoramphus unicolor) |
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| Authors: | BD Gartrell MR Alley T Kelly |
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| Institution: | 1. Institute of Veterinary, Animal and Biomedical Sciences , Massey University , Private Bag 11 222, Palmerston North, New Zealand E-mail: B.Gartrell@masseyac.nz;2. Veterinary Centre Rotorua , 181 Old Taupo Rd, PO Box 622, Rotorua, New Zealand |
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| Abstract: | CASE HISTORY: From 26 days of age, an Antipodes Island parakeet (Cyanoramphus unicolor) was noted to have a severe beak deformity and reduced bodyweight gain compared to its nest mate. The bird was euthanised at 43 days of age. CLINICAL AND PATHOLOGICAL FINDINGS: The beak abnormality consisted of distortion of the right nares and severe shortening resulting in deviation of the upper maxilla to the right and cranially. On sectioning the head, copious mucoid material was found in the infraorbital sinus and the bony sinus architecture was disrupted. Histopathological examination of the infraorbital sinuses revealed a large focus of chronic but active inflammation, bony lysis on the right side and pockets of a mixed population of bacteria. DIAGNOSIS: Severe beak deformity, likely secondary to bacterial sinusitis. CLINICAL RELEVANCE: The case illustrates the need to look for underlying aetiologies to beak malformation, particularly in young parrots. |
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| Keywords: | Sinusitis beak malformation Antipodes Island parakeet parrot beak growth |
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