oh, and the answer to my question earlier was wrong, the CORRECT answer is:
Speed, Stamina, and Intelligence

Over 1 serving: +11.4% speed +3.06% stamina
Over 2 servings: +67.5% soeed +22.31% stamina
Over 30 servings: +75.86% speed +118.95% stamina

every chocobo breeder should know this..