* Age: Foals have a higher respiratory rate than adult horses.
* Activity level: Horses that are exercising or stressed will have a higher respiratory rate.
* Health: Horses that are sick or injured may have a higher or lower respiratory rate than normal.
* Environmental factors: Hot weather, humidity, and altitude can all affect respiratory rate.
Generally, a healthy adult horse at rest should have a respiratory rate between 8 and 16 breaths per minute.
Here's a more detailed breakdown:
* Foals: 20-40 breaths per minute
* Adult horses at rest: 8-16 breaths per minute
* Adult horses exercising: 60-80 breaths per minute
It's important to note: A normal respiratory rate for one horse may not be normal for another horse. If you are concerned about your horse's respiratory rate, it is always best to consult with a veterinarian.