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Figure 4 | Frontiers in Zoology

Figure 4

From: A male pheromone-mediated trade-off between female preferences for genetic compatibility and sexual attractiveness in rats

Figure 4

Duration of investigation (mean ± SE) by female Lewis rats ( N = 14) in binary choice tests. 1) sham Lewis male urine vs. castrated Lewis male urine, 2) sham Lewis male urine vs. castrated male urine added with 3 ketones (4-heptanone, 2-heptanone and 9-hydroxy-2-heptanone), 3) castrated male urine vs. castrated male urine added with the 3 ketones (*P < 0.05, **P < 0.01, paired t-test or Wilcoxon matched-pairs signed-rank test).

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