I don't think so. AFB (Paenobacillus larvae) is a pure culture and has some properties preventing secondary infection. EFB has secondary infections running with it. Ruary -----Original Message----- The smell isn't caused by AFB but by a secondary infection. Chris **************************************************** * General Information About BEE-L is available at: * * http://www.honeybeeworld.com/bee-l/default.htm * ****************************************************