Getaways to the countryside or to a swamp to do picnics they are very popular during the summer months. And, to endure these long days it is necessary to prepare some good Snacks. Which will provide you with the necessary energy to enjoy a magnificent day. But currently, a grave danger. This already appeared a couple of years ago, the one of the contaminated sausages. And it is that, in recent days, different cases of the presence of Listeria in such products. Do you want to know what are the procedures to be followed? The fullfilment of security requirements its the first!