Freshwater bathing alters the mucous layer of marine Atlantic salmon Salmo salar L.

Abstract

Mucous glucose, protein and osmolality significantly decreased in freshwater bathed marine Atlantic salmon by 1 h, irrespective of water hardness. Mucous viscosity significantly decreased in soft fresh water by 1 h, while hard fresh water significantly decreased mucous viscosity by 3 h. © 2008 The Authors.