The average life expectancy of dogs is related to the way they are raised and whether they have enough exercise. Generally speaking, medium and large dogs are about 12-15 years old on average, and small dogs are about 15-18 years old.
If there are no special circumstances, for example, no running, and a particularly excited state, the body temperature of the adult dog is about 37.8-38.8 degrees, and the puppies will be about 0.5 degrees higher than the adult dog.
Adult dogs have a total of 42 teeth; including 12 incisors (for nibbling and grooming), 4 canines (for grasping and holding objects, 16 premolars (for grasping food and chew toys), and 10 molars (for crushing) and grinding). As for puppies, they have 28 teeth, and they start to change and grow new teeth at about 16 weeks, and they are all replaced at about 7 months.
Puppies need to sleep for 15-18 hours a day, and adults sleep about 12-14 hours a day. If the dog is too bored during the day, the sleep time will also be stretched.
Generally speaking, dogs have a total of 18 toes, 5 on the front feet and 4 on the rear feet; due to biological evolution, each of the two front feet has a suspended toe; these two suspended toes have no actual function, and some veterinarians will The dog chooses to be excised when it is born, but if it grows up and then excised, general anesthesia is required, which is more troublesome.
Dogs are basically colorblind and cannot distinguish between color differences. The world seen by dogs’ eyes is actually not as colorful as humans, but basically only the difference in brightness.
Many people think that it is enough for dogs to eat one meal a day. In fact, it is best for adult dogs to eat two meals a day. It is recommended that dogs should not eat food that humans eat. This can lead to nutritional imbalances in dogs.
The wet nose of the dog is to increase the judgment of the sense of smell, and it does not 100% represent whether the dog is healthy or not.
Short-haired dogs are more than twice as likely to develop skin diseases as long-haired dogs, mainly due to the lack of protection from the coat. As for the summer, some people will shave the dog’s hair to make the dog cooler. In fact, it is not 100% correct, because the dog will change with the seasons, and the inner layer of fluff will be taken off in summer.
In winter, the thick inner coat is replaced, so helping the dog to dress in winter is only necessary for humans to imagine that the dog is afraid of cold.
Be careful that dogs cannot take a bath every day, because every day bathing will wash away the sebum that protects the skin of the dog. As for how often to wash, it depends on the condition of the dog and the humidity of the place where he lives. Dogs can take a bath once a week to ten days; also note that the pH of the dog’s skin is different from that of humans. Never use human shampoo to bathe the dog, even if it is a dog-specific shampoo , it is not recommended to use chemically synthesized shampoo, natural herbal raw materials should be selected.
Dogs will also be in a bad mood and anxious, but most of the reasons are related to the owner; and the dog’s tail can be used to judge the dog’s mood, hold it high and sway to indicate happiness, if it is low or even sandwiched between the legs , it represents unhappy or even fear, anger and other negative emotions.