Yeah, so much for trying.
Anyway, when you receive new livestock from an online vendor, open their shipping box in a dark room to prevent light shock.
Sigh, the video does a better job of explaining it.
Have not watched it yet, but I believe this is the video you are reffering to from Mr Saltwater:
http://www.youtube.com/watch?v=PFgpUXmn4eA