Identifying laboratory rodents as a group may be sufficient if all the animals are to receive the same treatment and/or manipulation ... on suppliers of rodent identification equipment.

will ensure that the long-tailed animals are given ‘five-star’ treatment during their stay ... has already heard from rodent owners who are thrilled about the accommodation she is now offering.

The mice were housed 2-3 per cage and had free access to food and water. Mice were randomly divided into 4 treatment groups.