Staphylococcus aureus growth and staphylococcal enterotoxin A (SEA) production in milk at constant temperatures of 32 °C (A) and 23 °C (B). Closed circles and squares show measured viable cell counts and SEA concentration, respectively. Bars show the standard deviations of the average viable cell counts. Growth curves were described with logistic models I and II and the Baranyi model (BAR).