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Experienced dog breeders are aware of the value of progesterone testing. It is recognized that in the dog up to 75% of failures to conceive can be attributed to incorrect timing of breeding. The reason it is so difficult to time ovulation in the absence of hormone testing is that the stages of the canine estrous cycle vary considerably in length.
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Progesterone is over 6.5 nmol/L (2 ng/ml) at the LH peak: breed 4–6 days later. Progesterone is over 16 nmol/L (5 ng/ml) at ovulation. Progesterone is over 25 to 30 nmol/L (8 ng/ml) at the start of the fertile period (LH + 3 days): breed 1–3 days later.
Feb 17, 2023 · There are three stages of the female dog’s cycle: proestrus, estrus, and anestrus. The estrus stage, which lasts from 3 – 21 days, with an average of nine, is when the bitch is fertile. Pay...
Accuracy in timing a dog breeding using progesterone testing can help achieve efficiencies in litter production. In other words, knowing the right time to breed a female in estrus, or in heat, is a cornerstone of good breeding management.
Jul 23, 2024 · Progesterone testing plays a pivotal role in ensuring successful breeding and maintaining the overall reproductive health of your canine companion. This guide delves deeply into progesterone testing from a veterinary medical professional's perspective, offering detailed real-world examples to enhance understanding and engagement.What is ...
Dec 6, 2019 · Measuring progesterone is the single-most helpful diagnostic in determining when your bitch is ready to be bred. If you want to maximize the chances that she will get pregnant, measuring progesterone is absolutely essential.
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There are multiple hormones that help to regulate the estrus (heat) cycle and pregnancy in dogs. These include: Estrogen: Stimulates the ovaries to produce eggs. Luteinizing Hormone (LH): Stimulates the ovaries to release the eggs. Progesterone: Maintains a pregnancy.
