Jonathan Koss

Jonathan Koss, Percheron horses, Holmen, WI, in western Wisconsin near La Crosse. He draws on years of experience breeding Percheron horses and follows recognized registry protocols for health testing and sound conformation. His horses are raised on open pasture with access to sturdy shelter, and Jonathan handles each foal daily to encourage gentle disposition.

He often showcases his draft horses at regional county fairs and draft horse demonstrations, highlighting their strength and calm temperament. Prospective owners value his transparency about bloodlines and temperament and the detailed health records he maintains for every foal. The farm’s emphasis on rotational grazing and routine veterinary care reflects a holistic approach to horse breeding and long-term soundness. A certified farrier visits monthly to maintain balanced hoof growth and support natural gait. Jonathan also provides detailed guidance on nutrition and harness fitting tailored to each horse’s development.