Cardiovascular responses to adrenergic agents in different acclimation states in the rock pigeon (Columba livia)
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The effect of propranolol on heart rate (fH) was measured in season-acclimatized pigeons. Propranolol treatment decreased fH in winter-acclimatized pigeons, accelerated fH in summer-acclimatized pigeons, but had no effect on fH in spring-acclimatized pigeons. ... ...
