Non-spayed female dogs will go into "heat" or estrus usually twice a year, starting at 6-12 months of age. There are four stages of the canine estrus cycle: proestrus, estrus, metestrus, anestrus.
During proestrus, there will be vaginal bleeding. During estrus, the vulva will be swollen, vaginal discharge is more yellowish, the female will accept males and conception can occur.
Sep 6, 2013 ... Symptoms of dogs in heat vary throughout the cycle, and recognizing them is
crucial if you are an owner of an un-spayed female dog.
If you own an unspayed female, knowing the symptoms of a dog in heat can be
very important to managing her reproductive cycle. Learning the stages of the ...
Estrus, or heat, is the stage in a female dog's reproductive cycle during which she
becomes receptive to mating with males. At this time, estrogen levels first ...
The first week of your female dog's heat cycle is known as proestrus. This period
lasts from seven to ten days, with most dogs experiencing this stage of the heat ...
Dog Reproduction (The Heat Cycle). Signs of Heat. The first sign of a female (
dam) coming "into season" is often swelling of the vulva. This swelling can occur
Sep 18, 2015 ... When a female comes into her dog heat cycle, or season, her body is preparing
for mating and possibility of producing a litter. We tell you what ...
May 16, 2011 ... Dogs will have their first estrus cycle when they reach puberty. Estrus is the stage
of the ... When does a female dog have her first estrus cycle? Dogs will have their
first estrus ... What are the signs of estrus? The earliest sign of ...
www.ask.com/youtube?q=Signs of Female Dog Heat Cycles&v=hCE12GcymPc
Jun 25, 2009 ... Dog Heat Symptoms- http://healthydogforlife.com "symptoms of dog in heat" "
signs of dog in heat" "dog in heat cycle" "signs your dog is in heat" ...
Learn about female dog reproductive cycles from the pet health experts at
Banfield Pet ... there are noticeable signs that can alert you that your dog is in