A Ton
According to the Guinness Book of World Records, the 2011 World's Biggest Dog is George, a purebred Great Dane. He weighs nearly 18 stone and stretches 7 foot long from nose to tail. He is nearly 4...
The world's biggest cow is a Black and White Freisian, weighs 1.25 tons.
100 pounds
360 kg (793 pounds).