If a horse is sick does his breathing speed up?

Yes, if a horse is sick, their breathing can speed up. This is a common sign of illness in horses, and it can be caused by a variety of factors, including:

* Respiratory infections: These can cause inflammation and swelling in the airways, making it harder for the horse to breathe.

* Fever: A fever can cause the horse's body temperature to rise, which in turn can lead to an increase in breathing rate.

* Pain: Pain can also cause a horse to breathe faster, especially if the pain is in the chest or abdomen.

* Heart problems: Some heart conditions can affect the horse's breathing rate.

* Stress: Stress can also lead to faster breathing.

Other signs of illness in horses include:

* Coughing

* Nasal discharge

* Lethargy

* Loss of appetite

* Depression

* Increased heart rate

If you notice any of these signs in your horse, it is important to contact your veterinarian immediately. They can help diagnose the cause of the illness and recommend the appropriate treatment.