About dogs, do you really know them? Today I will tell you about dog knowledge literacy, so that you can learn to understand your dog in 30 seconds.
1. Dogs need to sleep about 15 hours a day, so they should be given adequate sleep time.
2. Dogs have almost no sweat glands in their bodies. The main heat dissipation parts are on the tongue and flesh pads, so shaving cannot help them dissipate heat.
3. Dogs will circle in circles before defecating, mainly to adjust the magnetic field and find a suitable position to ensure their own safety.
4. There are a total of 13 dog blood types, six of which are the main blood types, and only eight of them meet international standards.
5. Dogs are not born with the ability to swim. Short-nosed dogs such as French bulldogs and Shih Tzus are not suitable for swimming. If the dog is thrown into the water rashly, it is easy to drown.
6. A dog's teeth will change once during the growth process. Generally, all the deciduous teeth will grow in around April, that is, the original 28 deciduous teeth will be replaced by 42 permanent teeth.
7. Dogs are actually color blind. There are only a few different colors in its eyes, such as black, white, gray, yellow, and blue. There are only two types of cones in dogs' eyes, but their ability to distinguish individual colors is relatively weak.
8. Dogs do not drink water by licking it. In fact, they roll their tongue back and drink it like a spoon.
9. A dog can get rid of 70% of the water in 4 seconds after taking a bath.
10. In fact, dogs also dream, and their owners often appear in their dreams.
11. A dog’s nose is as unique as a human’s fingerprint, just like their ID.
12. The longer the owner spends time with the dog, the more similar the owner and the dog will become, whether it is appearance, movements, or various behavioral habits.