| BB/W | BioBreeding/Worcester [rat] |
|---|---|
| BN | bladder neck; branchial neuritis; bronchial node; brown Norway [rat]; bulimia nervosa |
| BUF | buffalo [rat] |
| DA | dark adaptation; dark agouti [rat]; daunomycin; degenerative arthritis; delayed action; Dental Assis... |
| F344 | Fischer 344 [rat] |