Characteristics of the ZDF and ZFDM strains.
|Origin||ZF colony at Eli Lilly Research Laboratories (Indianapolis, IN)||ZF colony at Tokyo Medical University (Tokyo, Japan)|
|Obesity*||Early onset (6–10 wk)||Early onset (6–12 wk)|
|Diabetes*||Young-age onset (8–12 wk)||Young- to middle-age onset (10–20 wk)|
|Special diet||Purina 5008||Not needed|
|Breeding||♀ + × ♂ +||♀ + × ♂ |
*Characteristics of fa/fa male rats in the ZDF and ZFDM strains.|