Abstract
The escaping reactions under treatment with GABA-receptor agonist diazepam, GABA antagonist picrotoxin and glycinergic agonist glycine, antagonist strychnine and NMDA receptor antagonist MgSO4 were investigated in Japanese Quail (Coturnix coturnix japonica). Escaping movements but not feather shedding were sensitive to agonists and antagonists of these systems. The influence of neuroactine agents on feather shedding and on escaping movements was revealed by activation of dopamine receptors with apomorphine which induced rapid feather shedding and alteration in escaping movements. The effect of glycinergic and GABAergic agents on apomorphine-induced feather release and on apomorphine reaction suppression by noradrenergic system activated by yohimbine was different. Attenuation of apomorphine reaction by cholinergic agonists was abolished by diazepam and glycine. Diazepam and glycine influence on escaping movements were prevailed over the influence of apomorphine or physostigmine. Distress calls induced by ...
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