How long does one breed have to exist before it is properly defined as a breed?

What africian antelope begins with top? What should you do if you bleached your teeth and now you have small white spots on a few of your front teeth that are very noticeable? If a horse runs 5.5 furlongs in 1minute and 13 seconds how fast is that in miles per hour? What can be done to protect mountain lions? What is the crhomosome number for a liger? Why has your Jack Russell got black patches on her abdomen? How long can a pomeranian live in human years? How much do raccoons weigh when they are born? Is selenomethionine harmful to dogs in small doses? What dog breed is large and all black with blue eyes and fur like a Husky or a Collie not like a lab? How do you say male horse in french? What is thick wool called? Can a purebred Scottish Fold have a blue tabby coat? Can you own a musk oxen in Washington state? How do you get rid of fungus infection on hands and feet? What is the lowest populated place of pandas? Who was the killer in looking for mr goodbar? What zoo has a black panther in California? What are painkillers? Explain Why the human circulatory system is said to show double circulation?