Doggie Duggars! World's Most Massive LittersThese prolific pooches are giving Michelle and Jim Bob a run for their money

TIA THE BLUE MASTIFF

Litter Count: 24
A British dog breeder was expecting, at most, 10 puppies in November 2004 when his Neapolitan bull mastiff produced 24 instead. Tia ended up breaking the Guinness World Record for largest litter of puppies – and holds the record to this day.