Dogs

Dogs

Dog / animal mammal from the canidae family of carnivores. Dajan is an animal and became a human 14000 to 150000 years ago. This animal is usually described as loyal, and it is called the "best friend of man" because of its high ability to remember its owner even after a long interruption.

The canine family that contains wolves, foxes, and jackal. The dog is considered one of the first mammals to feed a human from wolves that had appeared 60 million years ago. And she lived with him for 14 thousand years. It is a breed of wolves that roamed in Europe, Asia and North America. Wolves roamed the northern hemisphere in search of food 12,000 years ago. Currently, there are many strains of them. Dog bones have been found.

In Denmark, England, Japan, Germany and China go back to prehistoric times. Jackal was known to the ancient Egyptians. And they were making statues with the body of a dog whose head was the head of a jackal. A statue of Anubis was found in the tomb of Tutankhamun dating from 1330 BC. It was also found a breed of greyhound dogs in the tombs of the ancient Egyptians. It was mummified since the year 2100 BC near the Pharaohs inside the pyramids. The Greeks and Romans could produce strains of them.

All species of dogs live in all continents of the world except the Antarctic and in the bush and forests in the temperate and rainy areas, in the desert, mountains and tundra. The gray wolves ancestors pet dogs. They are carnivores of large animals such as buffalo, rhinos, and deers, and small animals such as rabbits and mice. Dogs can sharpen their hearing and sense of smell, roaming around to guard large areas of wolves or to search for food.

The males mate with the females in January, and then give birth from 5 to 6 due to the mother breastfeeding her nipples. And share in food after weaning. Puppies are born blind and unable to stand. She spends 90% of her time sleeping. And the rest of the time she is breastfed. The puppies cannot resist the high cold, due to the lack of a blood circulation, so the pups stick to her mother to get the heating. The mother cleans the puppies and looks after them like other female mammals, while the father does not play any role in this task.

Among the dogs there is a language that addresses, among other things, body language, facial expressions, tail lifting, standing and straightening of the ears. And standing hair on the back indicates fear, discomfort, aggression, or servility. These signs are important. Also, in the case of sharpness and extreme hostility, the dog grows from his tusks, relaxes his ears, straightens his tail, hardens his legs, grasps his back hair, zooms or barks.

Dogs define the boundaries of their regions with urine. Its scent is a language used to warn other animals, especially among other dogs. He defends these limits by barking, snarling, or expressing in his general language. Pet dogs tend to train to express their loyalty to their owner and to be admired. And the dog lives from 8 to 12 years depending on the environment in which he lives and takes care of him. Before a dog can be acquired, it must be carefully examined by the vet to treat illnesses.

Or vaccinated against rabies (rabies). And the dog needs good food, hygiene, shelter, exercise outside, water and training for 16-30 minutes daily and continuously.

Humans use dogs for guarding, hunting and pulling carts. It was used in the war to guard and carry messages. There are trained dogs that lead the blind and deaf in the streets and at home, such as alerting the deaf to the phone or doorbell, driving the blind to wander inside the house, or crossing the street. Some types of dogs have a strong sense of smell.

For this he trained in other tasks, such as detecting drugs, explosives, dynamite, Persian ants, and submerged waters. It is possible to search for missing persons in earthquakes and fires, and some dogs can eavesdrop on the voices that a person cannot hear with his ears, so that the dog can hear the clocks 40 feet away. And domestic dogs vary in shape and appearance, size and color.

Despite these differences in all dog species, they are all anatomically identical. there are 321 bones in the skeleton. Breeds differ in the numbers of tail bones. But its thoracic cage consists of 13 pairs of ribs, and the spine consists of 7 vertebrae in the neck, 13 vertebrae in the chest, 7 lumbar vertebrae, and 3 vertebrae in the sacrum.

The hind legs each have 4 claws and four fingers. There claws in four or five fingers out. The puppy has 28 temporary teeth, but after the age of 6 months it is replaced and the number becomes 42 permanent.