Cloacal temperature at a depth of 45 mm was read from a
digital thermometer. Skin-surface temperature on the comb
and the interdigital membrane of the right foot was read from
a digital infrared thermometer. Each bird was tested under
four conditions in random order and was therefore its own
control.
Sessions were as follows: (a) control session without
any previous treatment; (b) control session with an intraperitoneal
injection of isotonic saline 1h before the session; with the
volume of saline the same as with the 200 mg/kg salicylate;
(c) experimental session with 100 mg/kg i.p. isotonic salicylate
1 h before the start of the session; and session with 200
mg/kg i.p. isotonic salicylate 1 h before the start of the session.