There are two theories about whether Zodiac signs work with dogs, one is that astrology and the study of astrology applies to all living things, and the other that while zodiac signs can be used to provide insight into a person's personality, they do not have any proven scientific basis and cannot be used to make reliable predictions about animals, including dogs. When it comes to dogs, their personality and behavior are largely influenced by factors such as breed, upbringing, training, and individual experiences. We like to think that there are other rulers to personality and behavior that seem so correct iin the human context.