Green Poop and other poopcapades.
Green poop in bf baby is always (I have not read anything different) an indicator of either food sensitivies (foods that mom is eating) or hindmilk/foremilk imbalance. I've experienced both of the above w/ different babies. I fixed them both. Sounds like food sensitvites and damaged gut esp w/ the blood. I would stop the grains and wait until at least 1 yr (more like 2 yrs really) to reintroduce them. And I would try an elimination diet for at least 6 weeks for yourself (eliminate dairy...even traces in additives, wheat, soy, etc).
This article may be helpful too:
Hmmmm...I haven't heard of that...actually the opposite. Maybe it depends on the baby. My 2nd baby who had food allergies had green frothy poops. I have oversupply this time and baby gets just green poops if I'm not careful about when I switch sides. No food allergies this time because I'm already avoiding everything allergenic.
Green , mucous-y poops that are accompanied by lots of LOUD GAS - are usually the hallmark for fore/hindmilk imbalance. Its possible that the blood when eating solids is not related to the green poop - its perfectly OK to skip grains for a year or two!