What Causes Green Bowel Movement In An Infant?

my daughter three an a half month old,before 16 days(1st feb) she has start grennish watery stool at 7-8 times a day,than my ped says to give sporlac to her but not stopped.than they started enterogermina & zinc powder& pedialite for 3 days.but stool consistency nigther change nor colour.after that stool test done & on report pus cell 35-40 are found.than we deside to change ped, than new ped give to her tufpro,collostine,vitazyme..then i see change in stool its consistency semi solid,mild yellow colour.but again after 2 day she has started watery greenish stool with frothy and smelling.again we call to our new ped than he chang medicine & give zifi,neopeptine, bifilac,zocon 50,vitazyme.& dr says if no changes r seen so he started soya milk/rice preparation. sir its all running last 2 days but colour is grenish and frothy stool pass out again & again.i cant understand what is running please help. and another prob is my baby has due vaccine for 14 wk all +rota g &pnumococal also.due date is 13 feb,but due to her sickness we not go. sir how many days we can delay vaccine. plz help