Fig. 1.

Reproductive outcomes of aging males. Number of litters (A), of pups (B), weaning time of pups sired by WT or Prdx6^−/− males (C) and weight at fixed weaning time of 21 days (D) of pups sired by 20-month old WT males mated with young WT females (WT×WT), 20-month old Prd×6^−/− males mated with young WT (Prd×6^−/−×WT) or Prdx6^−/− (Prdx6^−/−×Prdx6^−/−) females. @ and ^ Mean the highest and lowest values, respectively; ^# and * Mean higher or lower than their respective age-matched group. N=10 for each group and genotype.