Symptoms of dogs in estrus:
1. Male dogs will be irritable, often howl, increase activity, have a tendency to fight, and bite objects randomly.
2. The female dog’s genitals will become swollen, bleed, and red mucus will appear in the lower body.
3. The dog's mental state is not good, his appetite will also decrease, and his body will become thin.
4. The male dog will urinate everywhere, and the urine smell is stronger than usual, using the smell to attract the female dog to mate.
5. The female dog will like to be close to the male dog, and may even ride on the male dog and make mating movements towards the male dog.