Table 1.

Mortality within 30 weeks and N‐methyl‐N‐nitrosourea (MNU) intake

	Number of mice	Death	Total MNU intake mg/mouse	5‐week MNU intake* (mg/body weight (g))
A: db/db + MNU	40	10 (25%)	19.3	0.09
B: +/db + MNU	40	10 (25%)	16.8	0.217
C: misty + MNU	30	9 (30%)	13.8	0.182
D: db/db	10	1 (10%)	0	0

^* MNU intake between week 16 and week 20 per mouse by weight.