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. 2014 Jan 13;13:19. doi: 10.1186/1475-2875-13-19

Figure 2.

Figure 2

Mean sperm length and testes and accessory gland sizes in relation to colony age and genetic refreshing. A) The mean sperm length (20 cells per male) was measured in male progeny of field-collected Mopti, in Mopti strains of various age and in very old strains, and in genetically refreshed colonies. B) The mean testes (light grey) and accessory glands (dark grey) size corrected for body size (±95% CI) measured in the same strains. Bars labeled with different letters were significantly different (Tukey P < 0.05).