can dogs get pregnant twice?
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Veterinarian Bonnie Beaver weighs in with her expert answer that may surprise. “First, it is possible for a female dog to carry puppies that were sired by more than one male dog,” she says.
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There is no menopause in dogs, so older female dogs continue to have heat cycles, but they will become further apart and her fertility will decrease.
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Most dogs come into heat twice per year, or about every six months, although the interval can vary between breeds and from dog to dog. ... When young dogs first begin to cycle, it is normal for their cycles to be somewhat irregular. It can take up to two years for a female dog to develop regular cycles.
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In its early stages, a single retained testicle is significantly smaller than the other, normal testicle. If both testicles are retained, the dog may be infertile. The retained testicles continue to produce testosterone but generally fail to produce sperm. "If both testicles are retained, the dog may be infertile."
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There is little information about simultaneous occurrence of pyometra and pregnancy in bitches (Orozco et al., 2005). This present report confirms that it is possible for a bitch to have both pyometra in one uterine horn and a successful pregnancy in the other with proper medical treatment.
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It is important to note that pregnancy can occur without a "tie". Once "tied" the male dog will often step over the female or be turned by handlers into a position so that the animals are back to back.
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3) Two Poodles are Double the Fun! There is no overstating the fact that having a second poodle will add so much fun and love into your home. If you have a large family, two dogs can help spread out the love a little, so to speak, so that one dog doesn't get the brunt of several attentive, young handlers.
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Dogs are pregnant for about 63 days or nine weeks, though this may vary by a few days depending on several factors. A veterinarian will be able to run tests to more accurately determine how far along the pregnancy is and when a dog will give birth.
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Women also should avoid performing those animal birthing and breeding activities during pregnancy. And though the disease is rare in dogs, pregnant women also should not handle dogs giving birth or their newborn puppies.
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Most dogs come into heat twice per year, or about every six months, although the interval can vary between breeds and from dog to dog. Small breed dogs may cycle three times per year, while giant breed dogs may only cycle once every 12 months. ... It can take up to two years for a female dog to develop regular cycles.
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Superfecundation twins: When a woman has intercourse with two different men in a short period of time while ovulating, it's possible for both men to impregnate her separately. In this case, two different sperm impregnate two different eggs. This is what happened to the woman in New Jersey.
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Dogs are pregnant for about 63 days, which is measured from the day that they ovulate (release their eggs) to the day that their puppies are born. Like people, dogs are pregnant for three trimesters, each about 21 days long.
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Dogs get pregnant while bleeding.) Some dogs cycle every six months; more primitive breeds, such as Basenjis or Tibetan Mastiffs, come into heat only once a year. Get more facts on dogs in heat at Dogster.com.
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Most experts agree that, as a rule, male and female dogs get along better than two females or two males. However, that being said, I've known many households (including my own) that successfully have two of the same gender dogs without any problems at all.
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A female dog can have as many different fathers for her puppies that bred with her. ... Each puppy will get half of it's DNA makeup from Mom and one Father, but since often dogs have litters it's possible for two puppies from the same litter to have 2 different sires.
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How long will my pregnant dog/cat be pregnant before she has her babies? The gestational period for both dogs and cats is about 60-63 days. Please note that dogs and cats can get pregnant again while nursing a litter! Each litter can potentially have up to four different fathers.
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Most male dogs can breed until they are senior dogs, but it is difficult for older dogs to get females pregnant. After your dog is around 10 years old, you may want to stop breeding him. Some believe that certain small breeds shouldn't be bred after age seven, while other breeds can be bred up to age 12.