The breeding colony and rearing conditions The colony was established for the testing of human vaccines more than 20 years ago. The guineapigs were of shorthaired, multicoloured stock and have been reared as a closed breeding colony since the
The breeding colony and rearingconditionsThe colony was established for the testingof human vaccines more than 20 years ago.The guineapigs were of shorthaired,multicoloured stock and have been rearedas a closed breeding colony since the