What are the toxins of narrow zone of complete hemolysis

What are the toxins of narrow zone of complete hemolysis and wide zone of incomplete hymolysis of C.perfringens on blood agar??

Which is theta and which is alpha…got confused maam due to the correction note.

Complete hemolysis theta toxin also called perfringiolysin

Incomplete d/t alpha toxin

Complete - theta

Incomplete- alfha

thank you