In the UK, there are complex laws regulating the use of animals in medical research, designed to reduce their suffering. These regulations require detailed record keeping of the ways in which the animals are used. This program is a small utility designed to keep these records and help their submission at the end of the year.
You can download LabRats version 0.5b4. The the file contains a program that will run on both 68k and PPC Macs. Slim versions are available for the asking.