My light brahmin just died, and my BSL has a huge red rash below the vent area. She had diarrea, and it smelled bad, and since all signs pointed to Cocci, I treated with Sulmet for about 3-4 days. Took everyone off the sulmet as I thought she was getting better. She still has an appetite, pretty strong, and maybe its me, but the red rash seems to have gotten worse? Her vent doesnt have that awful diarhea smell, and its dried up, but the red rash seems redder today... Help! Whats going on???