Antimicrobial and enterotoxin detection
Yellow color detection in AM-test after tubes filled with filtrates of BS11-cultured broth, which indicated that no antimicrobial residue producing from BS11 was found;
whereas, milk containing antibiotic as positive control showed purple color. In addition no
Bacillus diarrhoeal enterotoxin detected in BS11-cultured broth after tested by following
procedures of TECRA test kit. Only green color on the paper strip was seen after positive diarrhoeal enterotoxin control provided by manufacturer was added.