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Genes: A) Abt1 in blood, B) Mest in spermatozoa, C) Snrpn and D) Tcf3 in blood, E) Oct4 in spermatozoa, F) Mest in blood. One point represents one animal. The median (± interquartile range) is shown for each group, *: p < 0.05, **: p < 0.01.
