How did pugs get its name?

How many babies do bison have at one time? Which dog breed is taller than the St. Bernard? How does the Arctic fox camouflage into its surroundings? My puppy has nystagmus and burys her head down. She is getting over parvo and is 8 weeks old and also has ear infection. Could nerve damage be from this or from an Iv into her jugular vein? What is a male and baby kangaroo? Can horses eat clover? Are grizzly bears better in zoos or in the wild life? Is a fox cat rat pig a rodent? Clean the blood and make urine? Are snow leopards faster than a horse? Why is it that carabao has a hair covering? What is the Paso Fino horse famous for? What is a female dogs heat? Is a Appaloosa a kind of dog? What is threatening the survival of the gray-headed flying foxes? Is a pitbull a tamable dog? How does a flea effect a dog? What breed of cows gives the least milk i have had in the past holstien and guernsy milk cow but they give TOO much milk for me and my family And my time to milk is short any suggestions on a breed? What is the real name for a horse shoe? Where was the killers are you human video filmed?