Rice is one of the most common grain-based carbohydrate sources in pet food. White rice, brown rice, and brewer's rice are all used in different formulations. Its appeal comes from high digestibility, low gluten concern, and good GI tolerance, which is why rice often appears in both maintenance and therapeutic diets.
| Scientific name | Oryza sativa |
| Source type | Plant grain |
| Primary role | Carbohydrate / Energy source |
| Digestibility | Typically very high when cooked |
| Gluten | Does not contain gluten |
| Debate level | Low |
Rice is a reliable and safe carbohydrate source in pet food. The key question is not whether rice exists in the formula, but whether overall protein quality and ingredient balance remain strong.
Rice Forms
| Form | General use |
|---|---|
| White rice | Highly digestible and common in GI-friendly diets |
| Brown rice | Less processed, slightly more fiber |
| Brewer's rice | Broken rice fractions used economically in formulas |
Frequently Asked Questions
Is rice a filler?
No. Rice is a functional carbohydrate ingredient. It provides energy, contributes to kibble structure, and is often used in GI-friendly formulas because of its digestibility.
Is brewer's rice worse than regular rice?
Not necessarily. Brewer's rice is made of broken rice fragments and can still be digestible. The bigger quality question is the overall formulation, not the name alone.
References
- NRC. Nutrient Requirements of Dogs and Cats. 2006.
- AAFCO. Official Publication. 2024.
- de-Oliveira LD et al. Carbohydrate sources and digestibility responses in cats. J Anim Sci. 2008.