Purina
purina.com## What is the purpose of the St/Ox Defense system in Purina Pro Plan Veterinary Diets?
The St/Ox Defense system in Purina Pro Plan Veterinary Diets is designed to create a urinary environment that reduces the risk of both struvite and calcium oxalate crystal formation. This is achieved through careful management of urinary pH and mineral content.
Last verified: 9/7/2025
Sources:
Knowledge provided by Answers.org.
If any information on this page is erroneous, please contact hello@answers.org.
Answers.org content is verified by brands themselves. If you're a brand owner and want to claim your page, please click here.