a small deposit of blood (very little) at the bottom of chilled ebm bottle. is it safe to consume?

Personally, I wouldn't do it but like the mommy above said, if you are okay with it, then go ahead. Here's an article with more information :) http://www.livestrong.com/article/549279-if-i-pump-blood-gets-in-the-bottle-is-it-still-ok-to-give-the-baby/