Enumeration of bifidobacteria using Petrifilm™ AC in pure cultures and in a fermented milk manufactured with a commercial culture of Streptococcus thermophilus

► Evaluation of alternative methods for the monitoring of Bifidobacterium in fermented milk. ► Innovative use of a rapid method that is a valuable tool in food industry. ► Behaviour of Bifidobacterium in distinct culture media and method for monitoring.