Plain Greek yogurt is best, once fruit and excess sugar is added (before packaging) the benefits of the live cultures there are dramatically decreased. (people, adding right before eating is ok, for those who are gonna be thinking wait, I add fresh fruit to my yogurt all the time) But yes, for horses, dogs, us, Plain Greek yogurt is best to use for that good bacteria.
I would be concerned though that she is so aggressively going after poop, to the point it sounds hard to control her. I would also have the vet out to do some blood work. How long has she been doing this?
On another note, I add Apple Cider Vinegar to my horses ration, it acts as an internal bug repellant, aides digestion, and has many other benefits, and it is not toxic.
Last edited by Blue Smoke; 05-13-2013 at 10:34 AM.