Respiration
3.2.5 Respiration Respiration refers to breathing. Normally, an animal breathes with a smooth and effortless movement of the ribs. What is the respiration rate? See page 200. The following signs may signal problems in the respiratory system.
sudden or jerky breathing coughing and sneezing rapid breathing breathing with difficulty or extra effort wide-open nostrils in a resting animal (especially horses)
breathing with the mouth open Note: Breathing with the mouth open may also be due to overheating.


This calf is coughing, has difficulty This sow is hot and is breathing, and has a nasal discharge breathing with her mouth open.