ISSN:
1573-5168
Keywords:
ANP
;
dietary salt
;
hypertension
;
rainbow trout
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Rainbow trout fed a normal salt diet (1.3% NaCl) or a high salt diet (12% NaCl for at least 6 months) were chronically cannulated in the dorsal aorta and received 10 μg kg−1 ANP (1–28 human, UBC-Bioproducts) infused over a 10 min period. This had an insignificant influence on sodium balance, blood electrolytes and branchial sodium fluxes. In fish given a normal diet, the blood pressure and heart rate were uninfluenced by ANP, but pulse pressure was reduced by on average 60% and in some cases was not evident at all. Blood pressure in the fish fed a high salt diet was significantly higher than in the control fish; this together with heart rate and pulse pressure was not affected by ANP administration.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00003427
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