| Aspect |
Nutritional Requirement |
Nutritional Recommendation |
| Definition |
Minimum nutrient level necessary for specific functions in animals. |
Safe intake level that includes a margin to cover the broader population. |
| Purpose |
To support essential physiological outcomes (e.g., growth, reproduction). |
To ensure most pets receive adequate nutrition with a safety margin. |
| Application |
Specific life stages or physiological conditions. |
Broader, population-wide application. |
| Establishment |
Based on lowest level that achieves desired outcomes in studies. |
Derived from requirements with added safety margin for variability. |
| Example Source |
Studies using single-source, purified ingredients. |
NRC recommendations, based on expert reviews. |