What is the main job of ventilation in a horse barn?

Air exchange that removes moisture, dust and fumes, and brings fresh air.

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  1. Air exchange for fresh air ✔
  2. Heating the barn
  3. Keeping flies from landing

Why: Horses breathe in whatever is in the barn air, including dust and ammonia from urine. Air exchange clears out moisture, dust and fumes. Good ventilation helps protect a horse's lungs.

Huh, didn't know that: UMN notes that once large doors or windows are open, exhaust fans no longer benefit air exchange.

The dad joke
What is a horse's favorite sport? Stable tennis.
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References

Answer: Air exchange for fresh air. Horses breathe in whatever is in the barn air, including dust and ammonia from urine. Air exchange clears out moisture, dust and fumes. Good ventilation helps protect a horse's lungs.

  1. Ventilation systems for horse barns, UMN Extension extension.umn.edu/node/14461
    Horse barns need air exchange to remove moisture, prevent condensation and provide fresh air.
    Checked 2026-10-10.

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