The female pig (sow) is ready to breed (reaches puberty) at 5 months of age and will show signs of being in heat. Red, puffy vulvae are particularly prominent in gilts, or young female pigs that haven't given birth before. The vulva becomes pink and swollen. Centre for Development of Advanced Computing, Hyderabad. Empower Her. If a vulva is red and puffy, estrus is likely the cause. The sow will be in heat for 8 to 36 hours. This position is known as lordosis reflex. When a male pig -- or boar -- places pressure on a female's rear, the position she takes on generally signifies whether she's in estrus. The vulva becomes pink and swollen. Female pigs in heat occasionally try to get on top of other female pigs in season, too. Healthy, well fed sows can be brought into heat so that breeding can be controlled. InDG is a Ministry of Electronics and Information Technology (MeitY) Government of India initiative and is executed by Centre for Development of Advanced Computing, Hyderabad. The boar’s submaxillary salivary glands produce pheromones that are secreted into the saliva. Standing Heat Is the Surest Sign The best way to know when a pig is in heat is to observe her in standing heat, a condition indicating the hypothalamus, pituitary gland and ovaries are working together to render the pig reproductively receptive. © 2020 WILD SKY MEDIA. The sow will come into heat every 3 weeks throughout the year if she is not mated. Female pigs in estrus generally go out of their way to be around boars, even more than usual. Remember that failure to come into heat can be the result of poor or too little feed or a health problem in the sow. Shape The World. Signs of heatThe female pig coming into heat is restless and may not eat. Female pigs in this position generally exhibit noticeably curved backs and fully upright ears. © 2006–2019 C–DAC.All content appearing on the vikaspedia portal is through collaborative effort of vikaspedia and its partners.We encourage you to use and share the content in a respectful and fair manner. They also sometimes behave in overly antsy manners, such as nonstop circling. the Chinese pig, come into heat for the first time at 3 months of age when they have enough good feed and water. The typical estrus time span is a little longer in more experienced sows, however -- think 60 hours or so. A better method is to pen sows next to a boar so that they can see and smell him. She will then be better able to carry and suckle a good litter of young. Female pigs frequently exhibit a variety of behavioral clues when they're in estrus -- clues that are often more subtle than looking for boars. If you notice a boost in this behavior in your pig, it often means that she's started heat -- or is right about to start it, at least. How Will My Guinea Pig Act Before Giving Birth. The sows will come into heat especially if the boar is old and smelly. A female pig's vulva also can provide clues regarding estrus status. What Does it Mean When Guinea Pigs Vibrate? They also often lose some interest in eating their food. Most breeds of pig reach puberty at 5 months of age but some, e.g. The sow will come into heat every 3 weeks throughout the year if she is … How to Know When a Cow Is Getting Ready to Give Birth. They sometimes become persistently vocal, making lots of low and smooth guttural noises. The pig’s estrous cycle averages 21 days but can range from 17 to 25 days. Be Her Village. Please leave all source links intact and adhere to applicable copyright and intellectual property guidelines and laws. The 2 or 3 days that the female is sexually receptive is termed estrus. The pig should not be used for breeding when she comes into heat for the first time. Female cats, dogs and horses all often make it clear when they're in estrus, and swine are generally no different in these situations. The female pig coming into heat is restless and may not eat. Estrus in youthful gilts generally takes around two days, maximum. The standing reflex is stimulated by contact with a mature boar. Dire… This portal has been developed as part of the national level initiative - India Development Gateway (InDG), dedicated for providing information / knowledge and ICT based knowledge products and services in the domain of social development. If you own a female pig, knowing how to figure out when she's in estrus can be handy for anticipating her readiness for mating activities. If the pig is not mated she will come into heat every 21 days, provided she has enough feed and water. Some slow growing types and animals which are underfed will be older when they reach puberty. You also might notice a light, transparent and gooey substance coming out of your pig's vulva -- an effect of rising estrogen. How Can I Tell If My Guinea Pig Is Growling or Cooing? The female pig (sow) is ready to breed (reaches puberty) at 5 months of age and will show signs of being in heat. Health Problems in Teacup Potbellied Pigs, Signs a Potbelly Pig Is Ready to Have Babies, Differences Between a Gilt & a Barrow Pig, How to Tell if a Female Dog Is Having a False Pregnancy. It is wiser to allow her to grow for another month before using her for breeding. When the pig is pressed hard with the hands on either side of her back she will stand still, showing she is ready to accept the male. Mature female pigs that have produced offspring before are sows. Putting a sow which is in heat in with those which are not in heat will make some of the latter come into heat. ALL RIGHTS RESERVED. These signs typically emerge anywhere between two and three days prior to the beginning of estrus. Only sows with 14 teats should be used for breeding so that all her litter can feed. PART OF WILD SKY MEDIA | FAMILY & PARENTING, Penn Veterinary Medicine: Estrus in Swine, Pork Information Gateway Factsheet: Estrus or Heat Detection, Iowa State University Iowa Pork Industry Center: Estrus, University of Kentucky Cooperative Extension Service: Manipulation of the Estrous Cycle in Swine, University of Illinois at Urbana-Champaign ACES: Managing Swine Reproduction, University of Wisconsin-Madison Department of Animal Sciences: Estrus Detection, Penn Veterinary Medicine: Estrus Detection in Swine, Domestic Animal Behavior for Veterinarians and Animal Scientists; Katherine A. Houpt, Purdue University Extension: Estrus Detection in Farm Animals. Some female pigs in estrus simply become more vigilant and attentive in overall behavior. Some slow growing types and animals which are underfed will be older when they reach puberty.
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