Definition: Docosahexaenoic acid – an omega-3 fatty acid that makes up a large share of brain and retinal tissue, and is most critical during gestation and the first sixteen weeks.
Why it matters when choosing food
Puppy formulas should guarantee DHA rather than just mention fish oil. Research on trainability in puppies used diets with DHA around 0.1% of the formula, and the cognitive benefit disappeared when the level dropped below that.