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The most common form of sterilization in dogs and cats is surgical, spaying in females and castration in males. Non-surgical fertility control can either result in sterilization or temporary contraception and could offer a cheaper way to keep wild dog and cat populations under control. As of 2019, only contraceptives are commercially available.
Female dogs bleed during estrus, which usually lasts from 7–13 days, depending on the size and maturity of the dog. Ovulation occurs 24–48 hours after the luteinizing hormone peak, which occurs around the fourth day of estrus; therefore, this is the best time to begin breeding.
Designer breed dogs are mixed-breed dogs intentionally bred from parents of two established breeds. [citation needed] Studies have shown that cross-bred dogs have a number of desirable reproductive traits. Scott and Fuller [45] found that cross-bred females were superior mothers compared to purebred females, producing more milk and giving ...
A slow-release hormonal contraceptive implant for female Tasmanian devils is under development. While it may seem counter-intuitive to develop contraceptives for an endangered animal, their use is intended to promote the wild behaviour of mating freely, but without certain females over-contributing to the next generation, which "can have long ...
Lordosis behavior (/ l ɔːr ˈ d oʊ s ɪ s / [1]), also known as mammalian lordosis (Greek lordōsis, from lordos "bent backward" [1]) or presenting, is the naturally occurring body posture for sexual receptivity to copulation present in females of most mammals including rodents, elephants, cats, and humans.
For women not using ongoing hormonal contraception, progestogen-only pills may be taken after intercourse as emergency contraception. There are a number of dedicated products sold for this purpose. [citation needed] Hormonal intrauterine contraceptives are known as intrauterine systems (IUS) or Intrauterine Devices (IUD). An IUS/IUD must be ...
Researchers in Japan said on Thursday oxytocin, a hormone that. Reuters - Dogs are called "man's best friend" - women's, too - and scientists say the bond between people and their pooches may be ...
Dog appeasing pheromone (DAP), sometimes known as apasine, is a mixture of esters of fatty acids released by the sebaceous glands in the inter-mammary sulcus of lactating female dogs. It is secreted from between three and four days after parturition and two to five days after weaning. [ 1 ]