Subscript symbols indicate rearing by means other than natural mother and microbiological status. Inbred Strains 1. The strain designation is given in capital letters followed by a slash. The substrain designation follows the slash and is given as numbers or as individual or company codes. Numbers are used to denote substrains that were derived from a common strain but separated before the completion of inbreeding.
Subscript symbols indicate rearing by means other than natural mother and microbiological status.