He does not have a standardization: each company develops a proper calculation to point the date of validity of a product, but later necessary approving it with the agencies of fiscalization of the government. “She is clearly that, exactly thus, she does not have as many differences between the calculations. Great companies adopt a method and many times lesser manufacturers copy. But, as these use less efficient techniques and equipment, it can have differences in the stated period of validity presented for its products”, says the federal inspector farming Nelmon de Oliveira, director of the Department of Inspection of Products of Animal Origin of the Ministry of Agriculture. In the case of the sausage, for example, the method most common is to place it num surrounding with controlled temperature and humidity and to carry through, the small intervals of time, chemical analyses that point if it started if to ruin. The fiscalization of the government is carried through to know if the used methods for the companies are enough to determine a safe stated period. If to verify that the product is not good for the consumption, the inspectors can fine the manufacturer or until the establishment where the product is vendido - case it has not followed the measures recommended for stockage and exposition.