In Italy , the use of the pig to hunt truffles has been prohibited since 1985 because of damage caused by animals to truffle 's mycelia during the digging that dropped the production rate of the area for some years .
In Italy , the use of the pig to hunt truffles is prohibited since 1985 due to damage caused by animals to truffle 's mycelia during the digging that dropped the production rate of the area for some years .