Standard + PEG: solid chow ad libitum with free access to a commercially available osmotic laxative containing PEG-3350 and electrolytes (Transipeg, Roche-Nicholas, Gaillard, France), which was ...

The osmotic activity of polyethylene glycol 3350, in combination with the electrolyte concentration, results in virtually no net absorption or excretion of ions or water. Dissolve 17g in 8oz water ...