Which symptom is associated with respiratory distress in brachycephalic breeds?

Labored breathing is a prominent symptom associated with respiratory distress in brachycephalic breeds, such as bulldogs and pugs. These breeds have unique anatomical features, including a shortened skull structure that leads to narrow airways, which can significantly hinder airflow. As a result, when they experience respiratory distress, their breathing pattern changes—becoming more effortful and labored. This can manifest as increased effort to inhale and exhale, often accompanied by a distinct sound such as snoring or wheezing.

While other symptoms related to stress or discomfort, such as frequent barking or excessive drooling, may occur, they are not direct indicators of respiratory distress in these breeds. Increased appetite is also not associated with respiratory difficulties, as dogs suffering from breathing issues often show decreased activity levels and may not exhibit interest in food due to their discomfort. Therefore, labored breathing stands out as the most characteristic and relevant symptom of respiratory distress in brachycephalic dogs.