dilution series of active
cultures of M bovis BCG were prepared in phosphate buffer (BBLTM
Mycroprep™) and 500 μl added to themilk at different final concentrations,
namely: (A) 6.1 log CFU/ml, (B) 4 log CFU/ml; and (C) 2.2 log CFU/
ml, and gently mixed at the beginning of kefir manufacture