Abstract
The clinical, laboratorial and postmortem findings of a tracheal collapse in a miniature pony referred to the Veterinary Hospital - FMVZ-Unesp - Botucatu are described. The animal presented a noisy breathing, dyspnea, chronic cough and exercise intolerance. Endoscopic evaluation showed irregularity of tracheal lumen, with a confirmation of dorso-ventral flattening of trachea in the necropsy.

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Copyright (c) 2004 Roberto Calderon Gonçalves, Daniel Pessoa Gomes da Silva, Alexandre Secorun Borges, Simone Biagio Chiacchio, Rogério Martins Amorim, José Luis de Melo Nicoletti, Noeme Souza Rocha
