Figure 4

Number of TUNEL-positive germ cells per 20 cross sections of seminiferous tubules in the CD-CD, CD-HFHS, HFHS-CD, and HFHS-HFHS groups at 11, 19, and 31 weeks of age (a,b, and c indicate statistical difference between diets within each age group; means with different letters differ at P < 0.05).