• Aerobic mesophilic
  • Psychrotrophic
  • Thermophilic
  • Gram negative bacteria
  • Staphylococcus aureus
  • Aerobic spore formers
  • Enterobacteria
  • Enterococci
  • Lactobacilli
  • Coliforms
  • E.coli
  • Salmonella
  • Listeria
  • Beer spoilers
  • Clostridia
  • Bacillus cereus
  • Yeasts and Moulds