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The male sniffs the female, noses sides, flanks and vulva, and emits a ‘mating song’ of soft grunts.

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During this natural mating style the boar mounts the sow, and if the sow is in estrus she will stay in a standing posture when the boar mounts.

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When a sow is introduced to a boar, the boar will approach her, emitting characteristic grunts. She may run from him and he will follow, continuing to grunt, grinding his teeth and producing foaming saliva. He may also, urinate frequently.

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In natural mating's when sows approach estrus, a marked increase in social activities is seen. sows will approach the boar more and more often, and during estrus they will spend much time in standing posture outside the boar pen. sows may also mount other sows to attract the attention of the boar and to stimulate sexual activity

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After weaning a litter, the sow normally returns to estrus 3–10 days later and, if not successfully mated, will cycle every 21 days, although it may vary to between 18 and 24 days.

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Factors affecting the sexual behavior of boars

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Factors affecting the sexual behavior of boars

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A number of factors can affect male sexual behavior, such as genetic, seasonal, social, sexual and psychological factors.

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Two major characteristics of males that affect the likelihood of achieving copulation are the sexual motivation and mating competency of the male. The...

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Instead of natural mating, sows can be injected with a boars semen through the process of artificial insemination. the collection of semen is done by training the boar to an artificial sow.

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Boar should be trained when he is between 8 and 10 months of age. Although, older boars exhibiting low sexual drive may be trained to mount an artificial sow.

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Constructing a boar semen collection pen

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Constructing a safe and effective boar semen collection pen. Related informational videos: Dummy training and collecting the boar: https://www.youtube.com/watch?v=FheAJn7W6Qc Boar semen extension and handling: https://www.youtube.com/watch?v=nMeBJGUfWdc Swine artificial insemination: https://www.youtube.com/watch?v=yjY0gl1KUvo

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Effect of courting behavior on reproductive success vs. Artificial Insemination

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Effect of courting behavior on reproductive success vs. Artificial Insemination

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According to our textbook the principles & applications of domestic animal behavior the conception rate of sows courted by a boar is 86.7% vs sows not courted was 62.1%.

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Hormones Influence on Reproductive Behavior

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Hormones Influence on Reproductive Behavior

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Hormones have both an organizing effect on anatomical structures (e.g. genitalia, brain) and an activating effect, in which they activate cells of target organs they may have helped to organize.

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Stress, behaviour and reproductive performance in female cattle and pigs

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Female farm animals are exposed to a great variety of environmental and management related stressors. As a consequence, their reproductive and materna...