g of KCl, respectively, per liter of drinking water. Control
birds received dugout tap water throughout the experiment.
Feed and water were supplied ad libitum to each
group. Feed samples were analyzed for nutrient composition
by AOAC (1990). Feed Na+ and K+ contents were
determined by flame photometer (AOAC, 1990) and Cl−
by titration with silver nitrate (Lacroix et al., 1970).
Weekly drinking water samples were also analyzed for
Na+, K+, and Cl− contents, and only traces of these ions
(Na+ = 0.30; K+ = 0.12; Cl− = 0.39 mg/L) were noted.