translate English to French: In this investigation, CFW strain mice were given BaP in laboratory chow diet at concentrations of 0.001, 0.01, 0.02, 0.03, 0.04, 0.045, 0.05, 0.10 and 0.25 mg/g of food, for approximately 110 days.
Ces chercheurs ont ajouté, à la provende des souris de souche CFW, pendant 110 jours, du benzo[a]pyrène à des teneurs de 0,001, 0,01, 0,02, 0,03, 0,04, 0,045, 0,05, 0,10, et 0,25 mg/g d'aliment.