As an example of the described methodology, the Precaution Index was calculated for cow’s milk production,strategic product for the Emilia-Romagna economy.
The trace element and mineral concentrations in milk may be influenced by two kind of factors, some related
to the secretion from the mammary gland (lactation state, health status, animal species) and others not depending
on cow but to external such as season, nutritional status of the cow, and environment [23] [24]. International literature
reports that the environment (e.g. soil type, location of the farm, etc.) interferes with the quality of milk, and there are studies that have examined correlations of elements contained in milk and cows’ feed