My Pekin tonight was sitting and couldn't really get up. I went to look at her (I have 6 total) and she couldn't get away. Finally when I got closer she forced herself up on her leg and limped away from me. I looked closely to see if she had a cut or thorn, but couldn't see anything wrong. I looked at her again later, and when I went to stretch out the right leg, there was an audible "POP" and I noticed it was swollen 2-3 times at the join as the other leg was. Is this broken? Is it something that can be healed? She can stand on it but it looks like she is in a great deal of pain when she does. Could it be she got hurt, or could it be growing too fast like Cornish Crosses? She is 10 weeks old and full sized and pretty heavy.