If your pony poops in your house, then it is a sign that he is not confident and is anxious about being in your house. If you want to bring your pony into your house, then train for confidence and calmness, so his stress poops dont mess up the carpets.
The same applies for working your pony in the arena, but the stress poops are a bit easier to clean up. What is stressing your pony?
Contact me if you want to learn more about confidence training for horses. If your horse learns to become more confident then you will be more confident with your horse too – and you will be especially more confident about your carpets staying clean!