Baseline and stress levels of cortisol in conscious and unrestrained Japanese macaques (Macaca fuscata) (2002)

Suzuki, J., Ohkura, S., Terao, S.

Abstract

When macaques were subjected to oral administration [involving squeezing] of water via nasal cavity with catheter, the plasma cortisol level increased about twofold. Enforced venipuncture was also accompanied by a cortisol increase.