In addition to the bloodstains around your house, their hormones will cause them to be quite unhappy (similar to a woman who is PMSing). The heat cycle lasts for about 18-21 days. This is not a situation where you can tell yourself that youll get used to it, especially if your only intention is to have a pet, and not really to become a full blast pig farmer. Basically, the vet removes the uterus and the ovaries. All About the Procedure in Dogs, Compelling Arguments for Early Spay and Neuter of Cats. Most piglets wean naturally by about eight weeks of age, though pig farmers often wean their piglets around the 4-week mark. Female guinea pigs go into heat on average every 15-17 days and the time in which she is receptive to the male is usually only 8-12 hours. Many pig farmers wait until the second or third heat before breeding a gilt to get the most out of the pregnancy to maximize efficiency and profits. About every 18 days. Remember: While spaying is a personal decision that only you as the owner can make, it can offer a range of benefits for both you and your beloved pup. See answer (1) Best Answer. Lastly, spaying your dog can reduce certain behavioral problems, including: All unspayed female dogs go into heat a stage in their reproductive cycle when they're open to mating and able to get pregnant. Lack of interest in feed is a sign of ill health and you will need to look at the animal to determine the cause of health problems. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/27\/Breed-Pot-Bellied-Pigs-Step-1-Version-2.jpg\/v4-460px-Breed-Pot-Bellied-Pigs-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/2\/27\/Breed-Pot-Bellied-Pigs-Step-1-Version-2.jpg\/aid1186627-v4-728px-Breed-Pot-Bellied-Pigs-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"