stress (1) paramètre (1) méthode analytique (1) champ (1) abords (agglomération) (1) Animal feeding (1) Urine (1) Swine (1) Sows (1) Mass spectrometry (1) Liquid chromatography (1) Hydrocortisone (1) Excretion (1) Day (1) Creatinine (1) Confidence (1) Morning (1) Excretion (1)