Strength of cocaine conditioned place preference in domestic fowl depends on the number of CS- US pairings. Naloxone effects on distress vocalizations in young domestic fowl are rate- dependent. Prenatal cocaine and postnatal stress disregulates immune system responses in young domestic fowl. Cocaine conditioned place preference in an avian model. Morphine hypoalgesia and hyperalgesia in domestic fowl are rate-dependent.
Procedural details eliminate hyperalgesia and produce environmentally-dependent hypoalgesia.