The genitals of male dogs will change significantly when they are in heat

Male dogs urinate everywhere and leave their own scent. They like to grab people’s arms with their front legs, rub the inside of their hind legs at the corners of people’s legs, and climb astride female dogs; The range of activities is enlarged, restlessness, emotional instability, drinking a lot of water, and urinating bit by bit everywhere, leaving a smell.
Male dogs usually do not have the same menstrual period as female dogs. However, due to endocrine problems, male dogs will occupy territory. This is why we often see dogs peeing everywhere. The phenomenon of a male dog in heat is generally called an erection, and is usually aroused by the body odor of a female dog in heat.

Male dogs will constantly lick their genitals when they are in heat

Some dogs lick their genitals fiercely because of their strong sexual desire, often to the point of getting out of hand. Usually, after a sterilization operation, they will stop licking their genitals. This will happen again.
At this time, the male dog will become a little irritable because he occupies the ground. If he keeps licking his genitals, he should be stopped, because his constant licking may cause the genitals to be too moist, which may cause Conditions that cause eczema. If you find that he is restless and will run around and bark, it means that there may be a female dog in heat nearby. If it is a small dog, it is best to hold it, otherwise it will easily run away; if it is a large dog, it is best not to take it out. Because once he smells the smell of a female dog in heat, even boys may not be able to pull it. It will probably go into heat between six months and nine months.

A male dog in heat will repeat the riding action

When walking the dog and encountering a female dog in heat, he will run up and climb on her. Often they also like to ride on someone's lap or a toy. Male dogs in heat will increase the frequency of urination, mask the smell of other male dogs through their scent, and also allow female dogs to smell their own scent to express dominance.