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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.
In women, chemical castration acts by decreasing testosterone levels in order to lower their sex drive, side effects include the deflation of breast glands, expansion of the size of the nipple and shrinking of bone mass. In some jurisdictions, chemical castration has been used to reduce the libido of sexual offenders. [4]
Suprelorin is a slowly releasing deslorelin implant used for chemical castration of dogs and ferrets. It is marketed by Virbac. Deslorelin is also used to treat benign prostate hyperplasia in dogs. It is also used to treat pet parrots suffering from chronic egg laying behavior. [6]
The male hormone, testosterone, is produced in limited quantities following treatment with Zeuterin, but after two years, testosterone production is similar to that in untreated dogs. [1] The continuing presence of testosterone means that, unlike surgical castration, chemical castration does not remove the risk of testosterone-associated ...
Madagascar's Parliament has passed a law allowing for the chemical and, in some cases, surgical castration of those found guilty of the rape of a minor, prompting criticism from international ...
Surgical castration is bilateral orchiectomy (excision of both testicles), while chemical castration uses pharmaceutical drugs to deactivate the testes. Castration causes sterilization (permanently preventing the castrated person or animal from reproducing ); it also greatly reduces the production of hormones , such as testosterone and estrogen .
"With the other treatment, castration, we were a little afraid," Zamorano said. "Aside from being simple, it's reversible, so if we want to breed him, when the time is right, we can."
Closed castration incision on a male dog, taken 12 hours after surgery In male animals, castration involves the removal of the testes (testicles), and is commonly practiced on both household pets (for birth control and behaviour modification) and on livestock (for birth control, as well as to improve commercial value).