Summary Table
Type | Description | Advantages | Disadvantages | 
Dog | 
Allowed by law. It is considered the best method. Feeling dog –man and passion in hunting.  | 
Accuracy in identifying. Minimally invasive to the environment. The dog digs only the ripe product (except in rare cases).  | 
The dog is not a robot, you have to know how to handle, it gets tired and it is not infallible. Cost of ownership of the animal.  | 
Pig | 
Not allowed by law. Archaic method, the oldest. Nice to see.  | The pig’s sense of smell is higher than the dog probably. | 
Invasive and harmful to the environment. Difficult to handle and it eats the truffles. Difficulties in transport. High cost of ownership.  | 
Fly | 
Not specified in Italy, the law only talk about the dog. French method.  | Minimally invasive. | 
Can be used only at certain times of the year. It needs a lot of passion and skill. Too slow and difficult to apply.  | 
Olfactometer / Electronic Nose | Method in experimental stage. | 
Minimally invasive. There are not the problems of duration as in dogs.  | 
Difficulty of instrument calibration. Overall dimensions of the equipment. No passion and interaction.  | 
Digging | 
It is forbidden by the law. This is the method used by the poachers, especially during night.  | You can find everything that is underground. | 
The probability of dig without finding anything is much higher than the other methods. It destroys the environment and you can break/cut the truffle. Risk to collect the immature product.  | 
