EDITOR'S PICKS

Check out the content our editors have hand-selected for you. This section includes resources for the latest trends, concerns, and tools for pet nutrition.

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Nutritional Calculator

Help pet owners understand the nutritional guidelines and calorie requirements necessary to achieve and maintain healthy weight in their adult cats and dogs. Designed exclusively for PNA, this tool produces a take-home report that details the targeted daily caloric intake based on ideal weight, current food and body condition score.

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Tools and Resources

Who's Behind PNA

All of the PNA nutritional content and tools have been provided by our panel of nutritional experts.

Learn more about our organization

  • TammyOwens

    Dr. Tammy Owens is a 2009 graduate of The Ohio State University's College of Veterinary Medicine. After graduating, she completed a one-year rotating internship in small animal medicine and surgery at Mississippi State University. Following her internship, she worked at a private specialty hospital as an emergency veterinarian for two years.

  • TabithaHookey

    Dr. Tabitha Hookey graduated from the University of New Brunswick with a Bachelor of Science in Biology followed by a Doctor of Veterinary Medicine degree at the Atlantic Veterinary College. She started her career as a companion animal practitioner in New Brunswick, Canada, and in that time developed a passion for canine and feline nutrition.

  • EdCarlson

    Ed lives in Massachusetts and is the Technician Learning and Development Manager for Ethos Veterinary Health and VetBloom. He obtained a VTS (Nutrition) in 2014 and lectures frequently at local, regional, and national veterinary conferences on a variety of nutrition topics. He is the Treasurer of the Massachusetts and New Hampshire Veterinary Technician Associations, a member of the Academy of Veterinary Nutrition Technicians, a Member at Large of the NAVTA Executive Board.

  • Catherine-Lenox

    Dr. Catherine Lenox received her BS from Duke University and her DVM from the University of Missouri. After completing a residency in veterinary clinical nutrition at the Virginia-Maryland Regional College of Veterinary Medicine, she was board certified by the American College of Veterinary Nutrition in 2011.

  • WARA_Allison

    Dr.​ ​Allison Wara graduated from the University of Guelph (Bsc/Zoology) and the Atlantic Veterinary College (DVM). She completed specialty training at the University of Missouri in Clinical Nutrition and is a board-eligible candidate for diplomacy by the ACVN. Dr. Wara is also undergoing certification in canine physical rehabilitation through the University of Tennessee.

  • CollinBurrows_Image

    Dr. Colin F. Burrows is an Emeritus Professor of medicine and chair of the department of small animal clinical sciences at the University of Florida, College of Veterinary Medicine. A board-certified veterinary internist, Dr. Burrows specialty is the study of canine and feline gastrointestinal, hepatic and pancreatic disease.

  • DougAspros_Image

    Douglas G Aspros has been a companion animal veterinary practitioner in suburban Westchester County, NY since earning his DVM degree from Cornell University. Dr. Aspros has been a member of the Pet Nutrition Alliance since 2011. Widely active in the profession, he served as president of the AVMA in 2012-13.

  • JimBerry_Image

    Dr. Berry completed an MSc in zoology, followed by a Doctor of Veterinary Medicine degree from the Ontario Veterinary College in 1990. He started in mixed animal practice in southern Ontario, before moving to the Ottawa valley working in companion animal medicine.

  • Ken-Lambrecht_Carousel

    Dr. Ken Lambrecht received his DVM from University of Missouri 1981. He has been the Medical Director and owner of an AAHA accredited practice in Madison, Wisconsin since 1995. He is currently medical director of West Towne Veterinary...

  • LauraEirmann_Image

    Dr. Laura Eirmann received her veterinary degree from Cornell and completed a small animal internship at the Animal Medical Center in New York City. She was an instructor at Cornell University College of Veterinary Medicine then joined the staff of the Oradell Animal Hospital in 1997 and the Nestle Purina PetCare Company in 1998.

  • LisaFreeman_Image

    Dr. Lisa Freeman completed her DVM degree at Tufts University's Cummings School of Veterinary Medicine and, after completing a rotating small animal internship at North Carolina State University, received a PhD in Nutrition from Tufts Friedman School of Nutrition Science and Policy.

  • MargieScherk_Photo1-600x500

    Dr. Scherk graduated from the Ontario Veterinary College in 1982. In 1986 she opened Cats Only Veterinary Clinic in Vancouver, practicing there until 2008. Dr. Scherk became board certified in Feline Practice by the American Board of...

  • MelanieCodi_Photo

    Melanie Codi is a Licensed Veterinary Technician Specialist in Nutrition (LVT, VTS-Nutrition). She currently works at Cornell University Veterinary Specialists in Stamford, CT and Oradell Animal Hospital in Paramus, NJ. She provides many continuing education lectures for veterinary technicians...

  • RalphJohnson_Image

    Ralph Johnson was raised on a family farm in North Dakota and became reluctantly familiar with animal husbandry practices and attendant chores during childhood. He eventually gravitated to association management, which has been his professional home for most of the past 37 years.

  • KaraMBurns_Image-532x500

    Kara Burns is a licensed veterinary technician and holds a master’s degree in physiology and a master’s degree in counseling psychology. Kara is the Founder and President of the Academy of Veterinary Nutrition Technicians...

  • Heather-Prendergast-RVT-CVPM

    Heather Prendergast has spent over 21 years in small animal practice, and attended New Mexico State University to obtain a Bachelors degree in Animal Science and St. Petersburg College and received her Associates degree ...

  • JulieChurchill_Image

    Dr. Julie Churchill graduated from Michigan State University (B.S and DVM.) She attended the University of Georgia for her small animal internship in medicine and surgery. She then completed combined residencies and her PhD...

Member Organizations and Founding Educational Sponsors

PNA represents all facets of pet nutrition and education through the hard work, support and dedication to the common cause for the best in pet nutrition and education.

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The Pet Nutrition Alliance thanks both Hills and Purina, our Founding Sponsoring Organizations, for their continued generosity and commitment to pet nutrition.