OK, we have a boer doeling, 8 days old, she has crusty WYES, a wet cough and you can hear congestion in her breathing. She has 103.7 temp. She will get up and play, and eat but I know she us having trouble breathing. Normally I would just give .5 cc penicillin and move on, but you guys have been so helpful I wanted to ask. I have pen and tylan 50. Which one and how much do I give.