How to understand that a dog's estrus has ended? - briefly
To determine that a dog's estrus has ended, observe the cessation of vaginal bleeding and the reduction in the dog's attractiveness to male dogs. Additionally, the vulva should return to its normal size and the dog's behavior should revert to its usual state, indicating the end of the estrus period.
How to understand that a dog's estrus has ended? - in detail
Understanding when a dog's estrus, or heat cycle, has ended is crucial for responsible pet ownership and breeding management. The estrus cycle in dogs typically lasts between 18 to 21 days, but this can vary. Recognizing the signs that the estrus period has concluded involves observing several behavioral and physical changes.
During the estrus phase, female dogs exhibit specific behaviors such as increased urination, swelling of the vulva, and a bloody discharge. As the estrus period nears its end, these signs begin to diminish. The vulva will gradually return to its normal size, and the bloody discharge will decrease in volume and eventually stop. This reduction in physical symptoms is one of the first indicators that the estrus cycle is coming to an end.
Behavioral changes are also significant. During estrus, female dogs may show increased friendliness towards male dogs and may attempt to escape to find a mate. As the estrus period ends, these behaviors will subside. The dog may become less interested in male dogs and more focused on her usual activities. She may also return to her normal eating and sleeping patterns, which can be disrupted during the estrus phase.
Another important sign is the change in the vaginal discharge. Initially, the discharge is bloody and heavy. As the estrus period progresses, the discharge becomes lighter in color and thinner in consistency. Towards the end of the estrus, the discharge may become clear or whitish and eventually stop altogether. This change in the nature of the discharge is a clear indication that the estrus cycle is ending.
It is also beneficial to monitor the dog's hormonal levels, although this is typically done in a veterinary setting. Progesterone levels can be measured to determine the stage of the estrus cycle. As the estrus period ends, progesterone levels will rise, signaling the transition to the diestrus phase. This hormonal change can be detected through blood tests, providing a scientific confirmation that the estrus cycle has concluded.
In summary, recognizing the end of a dog's estrus involves observing a combination of physical and behavioral changes. The reduction in vulva swelling, the cessation of bloody discharge, the return to normal behavior, and the change in vaginal discharge are all key indicators. Additionally, hormonal testing can provide a definitive answer. Responsible pet owners should be vigilant in monitoring these signs to ensure the health and well-being of their dogs, especially if breeding is a consideration.