4 mo. Green poopx1week mucus at times breast Fed. Doesn't act constipated. What does this mean? Gets previous day pumped breast milk at daycare

Breast milk poo. The stool of breast fed babies can vary in color and consistency without cause for concern, provided there is no blood, fever, vomiting, irritability, abdominal distension or loss of weight. If other children in the daycare are having similar symptoms, it may be due to infection.