Table 2.

Plasma parameters in control and dry conditions

ParameterControlDryIncrease (%)
Change in body mass (%)–4.3±0.8–9.4±1.7*
Hematocrit (%)20.4±1.028.6±2.2**
Plasma
   Osmolality (mosmol kg–1 H2O)286.2±2.6338.7±14.4**118
   Na+ (mmol l–1)100.3±8.5154.9±6.0**155
   Urea (mmol l–1)16.5±1.050.6±12.4**307
Urine
   Na+ (mmol l–1)3.9±0.37.2±0.2**185
   Urea (mmol l–1)61.1±12.9278.7±61.8**471
  • Values are means ± s.e.m. *P<0.05 and **P<0.01, significantly different from control values (Mann–Whitney U-test). All groups, N=6