Need advice!

3 weeks old po baby ko, and she is pooping 1x - 2x a day po. Mix feeding po kami (breastmilk and s26 gold). Ganito po itsura ng poop niya, pero pag nagpoop sya super dami po. Is it normal po? Ung itsura ng poop at frequency ng pagpoop? Do i need to change her formula?