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== Introduction ==
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= Introduction =
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== Male==
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= Male=
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== Female ==
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== Age when Behavioural Traits are Expressed ==
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== Age at First Ejaculation ==
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== Age when Spermatozoa First Appear in the Ejaculate ==
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== Age when Spermatozoa First Appear in the Urine ==
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== Age when the Ejaculate Contains a Threshold Number of Spermatozoa ==
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= Female =
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== Age at First Oestrus ==
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== Age at First Ovulation ==
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== Age at which the Female can Support Pregnancy without Deleterious Effects ==
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