Hi, everyone!
To start this, I have Mereck's in my flock. From my reading this makes them a little more likely to succumb to other diseases, since it never really goes away. Since the confirming necropsy, all new chicks have come vaccinated, but this hen isn't. Their regular yard is about ten...
History: BBB hen had waning appetite on nest and afterwards from March through July; was hand feeding soften pellets which had probiotic + vitamins in it. Was dewormed her; gave her lower dosage of antibiotic 2 x daily. She was panting. Her stools had changed from food yellow consistency to...