Is this normal for meat birds (poo looks like milk)?

[chooniecat]

have 7 wk old cornish x meatie babies and someone in the group had milkie poop this morning(looked like spilled milk!). changed them to 24% 1 wk ago. they are acting normal.should I be concerned?

Edited to clarify thread title. ~Lisa~​

 

[jaku]

I've learned to not be concerned with the poo of meaties unless there's blood in it. People will tell you that runny poo is bad, or that different colored poo is bad, but I say it's all fine unless you see blood. My birds poo liquid quite often, and a virtual rainbow of colors. Should be fine.