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  2. Coolidge effect - Wikipedia

    en.wikipedia.org/wiki/Coolidge_effect

    The Coolidge effect can be attributed to an increase in sexual responsiveness, and a shortening of the sexual refractory period. [5] The evolutionary benefit to this phenomenon is that a male can fertilize multiple females. [6] The male may be reinvigorated repeatedly for successful insemination of multiple females. [7]

  3. Estrous cycle - Wikipedia

    en.wikipedia.org/wiki/Estrous_cycle

    A female dog is usually diestrous (goes into heat typically twice per year), although some breeds typically have one or three cycles per year. The proestrus is relatively long at 5 to 9 days, while the estrus may last 4 to 13 days, with a diestrus of 60 days followed by about 90 to 150 days of anestrus.

  4. Canine reproduction - Wikipedia

    en.wikipedia.org/wiki/Canine_reproduction

    The male is allowed to sniff a female in estrus. Experienced studs cooperate readily in the process. New studs often require encouragement in the form of manual stimulation. [43] Generally the male will mount the female, and the collector quickly directs the male's penis into the latex sleeve. The male ejaculates and the semen is collected in ...

  5. What to Do When Your Dog Is in Heat (Besides Freak Out ... - AOL

    www.aol.com/lifestyle/dog-heat-besides-freak...

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  6. Dog behavior - Wikipedia

    en.wikipedia.org/wiki/Dog_behavior

    The male dog rapidly thrust into the female for 1–2 minutes then dismounts with the erect penis still inside the vagina, and turns to stand rear-end to rear-end with the female dog for up to 30 to 40 minutes; the penis is twisted 180 degrees in a lateral plane. During this time, prostatic fluid is ejaculated. [48]

  7. Non-reproductive sexual behavior in animals - Wikipedia

    en.wikipedia.org/wiki/Non-reproductive_sexual...

    Animal non-reproductive sexual behavior encompasses sexual activities that non-human animals participate in which do not lead to the reproduction of the species. Although procreation continues to be the primary explanation for sexual behavior in animals, recent observations on animal behavior have given alternative reasons for the engagement in sexual activities by animals. [1]

  8. Animal sexual behaviour - Wikipedia

    en.wikipedia.org/wiki/Animal_sexual_behaviour

    Here, the male passes the sperm to the female's egg-laying tube, which will soon be fertilised by the sperm. [159] Many animals make plugs of mucus to seal the female's orifice after mating. Normally such plugs are secreted by the male, to block subsequent partners. In spiders the female can assist the process. [160]

  9. Sexual arousal - Wikipedia

    en.wikipedia.org/wiki/Sexual_arousal

    Male arousal will lead to an erection, and in female arousal, the body's response is engorged sexual tissues such as nipples, clitoris, vaginal walls, and vaginal lubrication. [1] Mental stimuli and physical stimuli such as touch, and the internal fluctuation of hormones, can influence sexual arousal. Sexual arousal has several stages and may ...