Giardiasis is one of the most common intestinal parasitic infection in all over the world which took place generally in children under five age. Giardiasis could be visible in children under five age in to one of the following shapes: 1.Asymptomatic infection 2.acute diarrhea 3.chronic diarrhea. Research Objectives 1.detection of giardia Lamblia parasite in children under five age who fed by breastfeeding and bottle feeding .2.effectiveness of breastfeeding...