Our Doctors

Dr. Brenda L. Mack graduated with honors from vet school at Colorado State University in 1998. After graduating, she practiced for several years in Canon City, Colorado in a busy mixed animal practice. Dr. Mack’s professional interests include acupuncture, dentistry and surgery.

Dr. Mack lives on a ranch south of Mountainair, NM with her husband and two human children. Her four-legged kids include Cheyenne the Red Heeler, Magic, WM, Whisper, Reiny and Joe the horse, not to mention the cats, goats, cows and chickens.

Dr. Mack teams up with owners to make sure the diagnostics and treatment plan are right for their pet. Owners find she is an active listener, and believes in looking at the entire pet from head to toe. She believes that "preventative medicine is the best medicine"; but should your pet require treatment or surgery she can provide high quality, comprehensive, compassionate care with minimum discomfort.

Having grown up on a farm/ranch in southwest Kansas it was no surprise Dr. Post wanted to become a veterinarian. She was riding horses and helping her father work cattle as soon as she was big enough. Dr. Post graduated from Kansas State University in 1989 and went on to work in multiple small animal practices and personally owned 2 solo small animal practices.  Her joy is starting puppies and kittens out on the right path and then helping them live a comfortable and enjoyable life as they age.

When not working, Dr. Post is found taking care of her 3 house dogs, one of which is blind due to Glaucoma, her 2 house cats, one being diabetic, her 6 barn cats, her donkey that she adores, and her 10 American Saddlebreds. Her goal is to raise beautiful well-bred Saddlebreds that someday will become world champions.

She loves New Mexico and the beauty it has to offer and looks forward to each day she gets to work with Dr. Mack and Valencia Animal Clinic staff and looks forward to meeting everyone and their precious pets.

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