So truffle hunters way back switched to dogs, whose delicate noses can accurately sniff out truffles buried six inches beneath the earth. In Italy they're dug up by canines, quite than pigs that the French use, as Italians discovered canine are much less more likely to gobble up what they sniff out. Nowadays, canine are specifically skilled to sniff out these mushrooms as they're educated to sniff any other drug. Early-early morn is primo for truffle hunting-when the chill intensifies the smell so canines can more simply sniff them out, and darkness retains the hunter's strikes secret.