Macro- and microelements in milk and hair of cows from conventional vs. organic farms

Abstract

From among more than a hundred elements occurring in nature four organically bound elements (carbon, hydrogen, oxygen and nitrogen) make up 96% of the animal’s body weight. The principal cations and anions together account for 3.5% of the body weight, the remainder comprising another mineral elements. The progress in analytical methods has led to elucidation the biological role of many elements occurring in plant,