Quote Originally Posted by littleindiangirl View Post
One other thing I thought of, when you pull out females, and she has a small litter (< 9) put a mark on her tail when she weans. This way when she has a second litter, and it is still small, you know she is a poor producer because of the mark on her tail from the last go around. Could work!
Nice, I love it! Never thought about permanent markers! Now even I could keep track of that. How about a mark at the base of the tail for a good litter and a mark close to the tip for a bad one. Females in the system with no marks at all have never produced.