The dog is the most abundant carnivorous thriving in the word. Due to loyal nature, our ancestors have started to domesticating the dog. Dogs are widely used as the natural defense against the domestic cattle from the wolf by our primordial ancestors. Due to huge benefits in hunting, defense from other carnivorous and loyal nature they were the first species to be domesticated by humans. Archeological evidence indicates that the dogs were domesticated more than 36,000 years ago (1). This is long before human start cultivating crops.
Through the selective breeding for prolong period there has developed many breeds. Do to various breeds there are multiple options of color, height, etc. are available. There is no much difference in genetic makeup of different breeds (2). The public interest in the dog breed has risen due to the lucrative business.
There is the various advantage of the keeping dog. There is some evidence that the owner of pet did more exercise than without the pet. A dog being high loyal animal can guard the family. Pets are the good source of refreshment. Various mental diseases can be ease by keeping the pets.
Popular Breeds of dog is
1. Tibetan Mastiff
This is among the most expensive dog breed in the world. The weight can grow as high as 72 kilograms when matured. This breed flourishes in the cold climate and shed off the hairs during the summer season. The nomadic tribes of the Tibet, Nepal, India, Mongolia, China and other countries have long used them. They are widely used by the nomads because of the activeness during the night. They can live up to 14 years.
2. German Shepherd Dog
This is among the most popular dog breed around the globe. Due to their highly intelligent and friendly nature, they are frequently used in various assistance work police and handicap people. They can attain the weight of 40 kilograms when fully mature. The lifespan of the German shepherd can be up to 13 years.
This breed is noted for the fast running ability that is 70 kilometer per hour. Weight can reach up to 40 kilograms on full maturity. They have the average lifespan of 15 years.
4. Siberian Husky
They are often called the beautiful dog breed in the globe. The weight of the mature male can reach up to 23 kilograms. The life expectancy is around 14 years.
5. Labrador Retriever
This is among the most popular dog breed in the United States and the United Kingdom. They are widely used as the disability assistance around the world. The adult can attend the weigh up to 36 kilograms when fully mature and has the average life expectancy of 13 years.
6. Great Dane
They are the tallest and the heaviest dog breed. The weight of the mature male can grow up to 82 kilograms and the height can be 79 centimeters. It has shorter lifespan compared to another dog breed that is 8 years.
This is the smallest and longest living dog breed. The weight of the mature dog can reach up to 2.7 kilograms and can live for 20 years. Chihuahua is the state of Mexico and the name of the dog is coined after it.
They are noted for their weird face that is the short-muzzled face. They can live up to 15 years and has the weight up to 8 kilograms.
9. Border Collie
They are breed from the border of the Scotland and England. They are used for the management of steep in the hilly terrain. They have the lifespan of 15 years and can weigh up to 20 kilograms. They are well known for the intelligent and the aesthetically profound look.
They are the medium size dogs with the lifespan of around12 years. They are highly praised for their peculiar look. The weight of the mature bulldog is around 25 kilogram.
1. Germonpre, M. (2009). "Fossil dogs and wolves from Palaeolithic sites in Belgium, the Ukraine and Russia: Osteometry, ancient DNA, and stable isotopes". Journal of Archaeological Science. 36 (2): 473–490.
2. Savolainen P, et al. (November 2002). "Genetic evidence for an East Asian origin of domestic dogs". Science. 298 (5598): 1610–3.