Angiotensin II functions in central nervous system neural pathways to control water intake, but not food intake, in turkeys.
No clinical implications for human fluid balance; leaves open central angiotensin II pathways in avian thirst for comparative research.
The effects of intracerebroventricular (ICV) injections of angiotensin II on food and water intake were studied in adult Medium White turkey hens. Food intake was not significantly affected by ICV injections of angiotensin II. The ICV injection of 50, 100, and 200 ng of angiotensin II significantly increased water intake in a dose-dependent manner. The dipsogenic effect of angiotensin II was significantly attenuated by Saralasin, an angiotensin blocker. These results suggest that angiotensin II functions in neural pathways within the central nervous system to control water intake, but not food intake, in turkeys.
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D. Michael Denbow (1985) studied this question.
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