Hubert J. Karreman, VMD

Independent Educator of Organic Veterinary Medicine & CowSignals® Certified Trainer


Non-Antibiotic Treatment of Infectious Disease

Dr. Karreman is a Pioneer of Organic Veterinary Medicine. Working with real cases in clinical practice under the extremely strict “no antibiotics” rule for organic livestock in the US, he developed the non-antibiotic treatment of infectious disease. This method has attracted attention from around the world.

natural treatments

His work with natural treatments was well ahead of the beginning of the USDA national organic program.


Dr. Karreman was in full-time clinical & emergency practice in Lancaster, PA (1995-2010) but now focuses on teaching and sharing the methods he successfully utilized for 15 years as an in-the-trenches clinician.

formulator of All Natural Lactation & Dry-off - phytomast

Phyto-mast is clinically proven to enhance milk quality.

now available

Books By Hubert J. Karreman, VMD

Treating Dairy Cows Naturally

Hubert J. Karreman, V.M.D.
Drawing upon veterinary treatments from the days before synthetic pharmaceuticals, and tempering them with modern knowledge and clinical experience, Dr. Karreman bridges the world of natural treatments with life in the barn in a rational and easy to understand way.

The Barn Guide to Treating Dairy Cows Naturally

Hubert J. Karreman, V.M.D.
A hands-on barn and field guide designed for quick and easy use, presenting a thorough examination of animals in the barn and then listing symptoms with many pictures of what the farmer is seeing, possible conclusions and a concise set of treatments.

The Barn Guide to Treating Dairy Cows Naturally & Treating Dairy Cows Naturally Combo

Buy both books and received $10 off

Four-Seasons Organic Cow Care

Hubert Karreman, V.M.D.
The practical advice held within this book will equip the reader with the tools to prepare for the worst so that more time can be devoted to living life to its fullest, alongside all the life that calls to us and relies upon us just as we rely on it, life that we will see everywhere if we but stop and deeply breathe in the scents of the seasons.


Hubert J. Karreman, VMD

Dr. Hubert Karreman is a 1995 graduate from the University of Pennsylvania School of Veterinary Medicine. He is a dairy veterinarian and independent educator of organic veterinary medicine based in Lancaster, Pennsylvania. His practice is limited to internal medicine. He is an internationally recognized expert in the non-antibiotic treatment of infectious disease and non-hormonal treatment of infertility. He completed a 5 year term on the USDA National Organic Standards Board (2005-2010), serving 3 years as Chair of the NOSB Livestock Committee. In 1999-2000 Dr. Karreman was on the AVMA Taskforce for Complementary and Alternative Veterinary Medicine (CAVM), which wrote the current AVMA Guidelines on CAVM.

His passion is being among animals, working directly with them in a hands-on way, and teaching ecological and natural methods of preventing and treating illness. He is the first certified CowSignals® trainer in the United States and enjoys sharing insights into reading cows and understanding what they are telling us. Dr. Karreman believes that we can more fully enjoy the living world around us by blending straight forward factual information with heart-based perception and insight.

Phone Consult

Consultation with Hubert J. Karreman V.M.D.

A Phone Consultation with Hubert J. Karreman V.M.D. and one copy your choice of his books.

Get In Touch

Hubert J. Karreman, VMD

PO Box 6 Saxapahaw, NC 27340