Subsequent is an article on Swedish Vallhund dog.
Swedish Vallhund dog gallery
Unexpected changes in the appearance of animals, including unusual size, scabies, poo tail or other feature features, are the result of genetic mutations that occur at all times naturally. Mutations that people like are tried to keep to the greatest extent possible then. Lyons explains that each animal has a defined “basic plan of the body structure, and when a mutation takes place, people choose those who are their favorite”. The development of most cat breeds has been accelerating only in the past seventy five years, and dog breeds have been developing for hundreds of years, as confirmed by Elaine Ostrander, chief researcher at the Department of Cancer Genetics and Comparative Genomics at the National Institute of Health ).