Large Animal Surgery
Woodford was on the rocks, but emergency surgery saved the bull’s life
Woodford and Samantha Colson celebrate success at the 2025 Arizona National Livestock Show.
March 30, 2026
Words by Jens Odegaard.
Photos courtesy of Samantha Colson.
TS Woodford Reserve is a beautiful two-year-old Charolais bull. Hair shining like ripe white wheat over rolling hills of muscle and healthy fat. Woodford — named after the bourbon — stands shoulder high to Samantha Colson, his owner. He’s just taken Champion Charolais and Reserve Supreme Champion Bull at the 2025 Arizona National Livestock Show held in late December.
Saving Lovely and little Gracie too
Dr. Kelsey Jurek, Dr. Rodrigo Sanchez and the whole veterinary team saved mare Lovely's life, and nine days later she gave birth to Grace in the hospital. Photo courtesy of Dr. Jurek.
August 21, 2025
Words and photos by Jens Odegaard
Izzy Olsen is an Appaloosa breeder. Her place is a gorgeous spread tucked into the tendril foothills of the Cascade Range near Lebanon, Oregon. Jack Creek meanders through the meadow, and Olsen named her operation for the waterway.
Stacy Semevolos, DVM, MS, DACVS, DACVSMR-Equine
Dr. Stacy Semevolos is a veterinary surgeon specializing in large animal surgery, equine lameness and equine sports medicine. Dr.
Katja Zellmer, Dr.med.vet, MS, PhD, DACVS, DACVSMR, CERP
Dr. Katja Zellmer was born and grew up and attended veterinary school in northern Germany. She graduated from the University of Veterinary Medicine Hanover, Germany in 1996. Then, she spent one year as a visiting research scholar at Michigan State University in the Equine Performance Laboratory investigating electrolyte supplementation for endurance horses.
Marc Kinsley, DVM, MS, DACVS LA
Dr. Marc Kinsley is a diplomat of the American College of Veterinary Surgeons and provides elective and emergency surgery services. Dr. Kinsley grew up in upstate New York and graduated from Cornell University College of Veterinary Medicine in 2008. Following graduation, Dr. Kinsley interned at Mid Atlantic Equine Hospital in New Jersey, followed by a stint as a mixed animal ambulatory practitioner in western New York. Dr. Kinsley then completed a large animal surgical residency at Oregon State University.