Do NOT wait! Waiting will get you dead chickens. Cocci kills fast. They go from looking fine to being puffed up and sleepy. By then they may not drink the cocci water on their own and youll have to fight for their lives. The treatment does not hurt them if it turns out not to be coccidosis...
OK, blood in poop is usually a sign of coccidosis. Youll need to treat your whole flock and start it quickly, cocci can kill fast. The treatment is Corid. You can get it at TSC or other farm store, in the cattle section. Put 1 1/2 tsp in 1 gallon of water, make a new batch every day and make...