Coccifor is a magic drug. It wipes off Coccidiosis within 3-4 days. I used it in a protracted case of Coccidiosis in my 8 weeks old broilers where embazine forth and embaccoc failed me. I was extremely happy after using it. Coryl-sp and Bio-Vitastress are excellent brooding drugs. I don’t miss them during brooding. Coryl-sp has specifically saved me in a case of coryza I encountered in my pullets about to lay.