The Root of the Behavior Licking is a natural part of the male dog's behavior. Female dogs will lick their vulva quite vigorously sometimes as they derive pleasure from this activity. Licking the vulva from a sexual perspective could be the sign that your female is coming into heat.
It turns out that dogs can actually pick up on the pheromone chemical that your sweaty private parts produce, and pheromones hold a lot of information about ourselves: our diets, moods, health, even whether a female is pregnant or menstruating.
Dog licking is an instinctive behaviour that dogs are born with. Female dogs naturally lick their puppies as a means of cleaning them and as a form of comfort.
Some signs of a female dog going into heat may include lower energy levels, more aggressive behavior, differences in leg-raising while urinating, urinating more often than usual, and even running away from home. This is unlike male dogs, who do not experience heat cycles.
Dull or overheated blades on electric clippers can snag hairs and irritate the skin, or cause outright burns. Dog's skin is much thinner and more easily irritated than a human's. This can result in your dog repeatedly licking the area, causing inflammation and redness, but with no visible signs of cuts or bleeding.
Dogs often show affection by licking. It's an instinctive behaviour that's linked to the comfort they felt when their mother licked them as a puppy. Licking plays an important part of how they bond with others, causing them to release dopamine and endorphins that help make them feel relaxed, calm and happy.
a) Dogs and cats are not like people when it comes to sex. They don't cycle the same way and there's no evidence, behaviorally or otherwise, that sexual activity brings them any specific pleasure akin to orgasm, for example.
Flirtatious Behavior: Once a dog enters the estrus phase of her cycle, she is receptive to the attention of male dogs and might seek it out. She might start to present her rear and flag her tail to one side when around male dogs as an invitation.
Sometimes a female dog will become more affectionate and clingy with her owner, other times she may seem a bit grumpy. Appetite changes: It's not unusual for a dog to go off her food a bit during this first week, or she may get hungrier.
Heat usually lasts between 2-4 weeks. Early in the cycle, a female dog may not be receptive to male dogs, although some are receptive through the entire cycle. It can be shorter or longer and you'll know the cycle is over when all her vulva returns to its normal size and there's no more bleeding or discharge.