1. Spay and neuter your dogs. This is the most effective way to prevent them from going into heat. Spaying a female dog involves removing her ovaries and uterus, while neutering a male dog involves removing his testicles. This surgery can be performed by a veterinarian when your dog is still young, and it will prevent them from going into heat for the rest of their lives.
2. Keep your dogs separated during heat. If you have both a male and female dog, it is important to keep them separated during the female's heat cycle. This can be done by keeping the female in a separate room or crate, or by taking her on walks at different times than the male.
3. Avoid exposure to triggers. Certain things can trigger a female dog to go into heat, such as the presence of a male dog, the smell of a female dog in heat, or even stress. If you know what triggers your dog, try to avoid them as much as possible.
4. Talk to your veterinarian. If you are concerned about your dog going into heat, talk to your veterinarian. They can help you develop a plan to prevent your dog from going into heat, and they can also provide support and advice if your dog does go into heat.
5. Use a pheromone spray. Pheromone sprays can help to calm dogs and reduce stress, which can help to prevent them from going into heat. There are a number of different pheromone sprays available on the market, so talk to your veterinarian about which one is right for your dog.