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25 sie 2024 · Timing dog breeding with the LH surge chart is one of the most effective ways to ensure successful conception. By understanding the hormonal changes in your dog’s cycle and utilizing the LH surge as a guide, you can plan breeding sessions with precision.
A surge of luteinizing hormone (LH) is precipitated by a fall in estrogen:progesterone ratio and is responsible for ovulation and luteinization of follicular theca and/or granulosa cells to luteal cells which produce progesterone. All progesterone is luteal. LH and prolactin are luteotrophs.
pre-ovulatory LH surge, and thus, the time of ovulation. WITNESS® LH is also used to distinguish ovariectomized from sexually intact bitches or queens. Indications Identification of the LH surge provides the most accurate means of canine ovulation timing. It may be used for routine breeding situations and is especially
LH surge and ovulation. The ovulation-inducing surge in circulating luteinizing hormone (LH) occurs in late proestrus or early estrus, with LH levels increasing for 1-2 days and being elevated for 1-3 days. Best estimates for ovulation time are 48-60 hrs after a pronounced surge in LH and 36 to 48 hr after the LH peak.
25 sie 2024 · The LH surge chart is an invaluable tool for dog breeders, providing a roadmap to the most fertile days in your dog’s cycle. By understanding and tracking progesterone levels, you can make informed decisions about when to breed, increasing the likelihood of a successful and healthy litter.
1 kwi 2010 · The LH surge is the key timing event dictating days of peak fertility. Ovulation begins 2 days post-LH surge and continues for another day or so. Ova mature and are capable of fertilization 2 days later.
The LH surge triggers ovulation, making it the central endocrinologic event in the reproductive cycle of female dogs. Daily serial measurement of LH to identify the exact date of the LH surge is an accurate diagnostic tool to time breedings.
