An extrauterine contraceptive device for dogs and its contraceptive method

Abstract

The invention discloses an extrauterine contraception device for dogs; the extrauterine contraception device comprises a dosing layer (1) and a support layer (2); the dosing layer (1) is a cylindrical all-sponge vaginal suppository carried with progestogens medicines for restraining the oestrus of a bitch; the support layer (2) is a central through-tube which is arranged in the through-hole of the dosing layer (1) and matches with the through-hole of the dosing layer (1); the contraception device is applied to a bitch at the early of a mating season; the contraception device is fully soaked with a disinfectant, then is delivered to the orificium vaginae of the bitch and finally is pushed to the front end of the vagina so as to interfere with the oestrus and ovulation of the bitch and prevent the bitch from being mated with a male dog; the occurrence of unintended pregnancy caused by stolen mating and mis-mating can be safely and effectively prevented on the premise of the bitch with no need of a sterilization operation; and the extrauterine contraception device for dogs is convenient in operation and low in cost.

Description

technical field [0001] The invention relates to the technical field of animal reproduction, in particular to an external uterine contraceptive device for dogs and a contraceptive method thereof. Background technique [0002] Nowadays, more and more people choose dogs as companion animals. However, while pet dogs bring a lot of joy to people, some troubles follow. Among them, unwanted pregnancies caused by stealing and mismatching of female pet dogs have caused a lot of headaches for many dog ​​lovers. [0003] At present, the widely used contraceptive method for dogs in the society is sterilization, but there are many problems behind this method "once and for all", such as causing great harm to pets, increasing the difficulty of nursing for the owner, high cost, and possible dog damage. A series of complications are problems that cannot be avoided by surgical methods. [0004] At present, there is no research report on the contraceptive device for dogs in China, and someo...

AI Technical Summary

Problems solved by technology

However, the estrus characteristics of dogs and sheep are different. During estrus, dogs have vaginal secretions that are continuously discharged. Therefore, if the ewe ectopic device is directly applied to dogs, it will inevitably cause the secretions of dogs to stagnate during estrus. expulsion, causing inflammation of the uterus

If you directly pull out a vertical hole in the middle of the sponge to ensure the smooth discharge of secretions, after the sponge plug with a vertical hole in the middle enters the vagina, due to the compression of the vaginal wall, the device will be deformed and the hole will be blocked. The sponge with pores is also easy to fall off because the texture is too soft

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