May 1st 2006High overtime costs prompted Gerard Gervasi, hospital administrator at Collierville Animal Clinic in Collierville, Tenn., and the practice owners to look into the financial impact of being open on Saturdays. "Saturdays were the costliest days of operation for the practice," he says. "And we didn't give the same level of care that we did the rest of the week. By the end of the week, doctors and staff members were tired, and we were only open five and a half hours, which didn't always give us enough time to work up a sick case properly."