Web Results
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.

Dog in Heat (Canine Estrus): Symptoms, and Spaying - Pets - WebMD

pets.webmd.com/dogs/how-tell-if-dogs-heat

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 ...

Symptoms of a Dog in Heat - Dogs - LoveToKnow

dogs.lovetoknow.com/wiki/Dog_Heat_Symptoms

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 ...

Symptoms of a female dog in heat - PET-Happy.com

www.pet-happy.com/symptoms-of-a-female-dog-in-heat/

Sep 6, 2013 ... In this article you are going to learn how to identify symptoms of a female dog in heat, depending on the stage of the heat your dog is in.

4 Ways to Tell if Your Dog Is in Heat - wikiHow

www.wikihow.com/Tell-if-Your-Dog-Is-in-Heat

Apr 26, 2015 ... Female dogs, or bitches, will generally go into heat during puberty, .... The overlapping symptoms include a swollen vulva, with or without a ...

A Guide to Dog Heat Symptoms - Vetinfo.com

www.vetinfo.com/dog-heat-symptoms.html

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 ...

Is my Dog in Heat - Banfield Pet Hospital®

www.banfield.com/pet-health-resources/pet-health-concerns/reproduction/is-my-dog-in-heat

When your female dog is receptive to mating, she is in a stage of her reproductive cycle known as being in “heat.” You can expect this to happen about twice a ...

www.ask.com/youtube?q=Symptoms of Female Dogs in Heat&v=hCE12GcymPc
Jun 25, 2009 ... http://healthydogforlife.com 'Real Food for Dogs' author Dan Scott discusses how to spot the symptoms of dogs coming into heat and why it's important to be p... ... Dogs and Owner React to Female Dog in Heat! Jumps With ...

Dog Reproduction, A Dog's Heat Cycle

www.dogbreedinfo.com/breedingheat.htm

Dog Reproduction, The Heat Cycle, Signs of Heat, Whelping and Raising ... The first sign of a female (dam) coming "into season" is often swelling of the vulva.

How Often Do Dogs Go Into Heat - American Kennel Club ...

www.akc.org/learn/dog-health/when-dogs-in-heat/

Jul 30, 2015 ... A female dog reaches sexual maturity at around six months old. The stage of the cycle when she's receptive to mating is called estrus, or heat.

Popular Q&A
Q: What are symptoms of female dogs in heat?
Source: www.chacha.com
Q: What are Symptoms of female dog's first heat?
A: Virtually all breeds have two oestrus cycles each year. Initially, the vulva swells and within a day there is a clear discharge, which becomes tinged with blood... Read More »
Source: wiki.answers.com
Q: Symptoms of a female dog in heat?
A: Is your dog appearing more nervous, easily distracted and more alert than usual? Is she urinating more often. A swollen vulva is a symptom, but the rest are not... Read More »
Source: uk.answers.yahoo.com
Q: What are other symptoms besides bleeding of female dogs in heat.
A: Virtually all breeds have two oestrus cycles each year. Initially, the vulva swells and within a day there is a clear discharge, which becomes tinged with blood... Read More »
Source: www.answers.com
Q: What are the symptom's of female dog when they r in heat?
A: first you'll notice swelling than a few days later they will start to bleed this can go on for 3 weeks to a month. Read More »
Source: answers.yahoo.com