Airsacculitis Caused by Enterobacteria and Occurrence of Eggs of the Superfamily Diplotriaenoidea in Feces of Tropical Screech Owl (Megascops choliba) in the Amazon Biome

• Published in: Animals (Basel) Vol. 13; no. 17; p. 2750
• Main Authors: Oliveira, Hanna Gabriela da Silva, Santos, Rafaelle Cunha dos, Lopes, Cinthia Távora de Albuquerque, Souza, Ananda Iara de Jesus, Almeida, Débora da Vera Cruz, Scalercio, Sarah Raphaella Rocha de Azevedo, Viott, Aline de Marco, Domingues, Sheyla Farhayldes Souza, Salvarani, Felipe Masiero
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.08.2023; MDPI
• Subjects: air sacs; Analysis; Animal feathers; Animals; Bacterial infections; Biomes; Birds; Case Report; Ecosystems; Enterobacter aerogenes; Escherichia coli; Feces; Food; Klebsiella pneumoniae; nematodes; Owls; Oxygen therapy; Oxytetracycline; Parasites; Pathogens; Reptiles & amphibians; Strigiformes; Training; Vitamins; Brazil
• ISSN: 2076-2615; 2076-2615
• DOI: 10.3390/ani13172750

This study aims to report the clinical signs, therapeutic strategy, necropsy results, and histopathological findings of airsacculitis caused by enterobacteria and the occurrence of eggs from the superfamily Diplotriaenoidea in the feces of Megascops choliba in the Amazon biome. A tropical screech owl nestling was rescued and admitted for hand-rearing. The animal was kept hospitalized for five months. It was fed a diet based on Zophobas morio larvae and thawed chicken breast meat with vitamin and mineral supplements. On the 37th day of hacking training for release, the owl showed weakness, lack of appetite, regurgitation, cachexia, dyspnea, ruffled feathers, dry droppings in the vent and pericloaca, and diarrhea. The parasitological examination showed eggs of the Diplotriaenoidea superfamily in the feces. The therapy employed included oxytetracycline, sulfamethoxazole, mebendazole, Potenay, sodium chloride 0.9%, and Mercepton. However, five days after starting the treatment, the bird died. Upon necropsy, prominence of the keel, pieces of undigested food in the oral cavity and proventriculus, intestinal gas, and thickened and turbid air sacs were found. The microbiological analysis of air sacs identified Escherichia coli, Klebsiella pneumoniae, and Enterobacter aerogenes. Histopathological examination showed heterophilic bacterial airsacculitis.