The trace element content of the hair of calves and heifers [chemical analysis, copper, cadmium, zinc, manganese]

agentes nocivos analisis analyse analyse chimique analysis anatomia anatomia animal anatomie anatomie animale anatomy animal animal anatomy animal domestique animal fibres animal pour cuirs et peaux animal products animales animales de carne animals artiodactyla artiodactyle body parts bovidae bovide bovin bovine bovines cadmio cadmium calves cattle chemical analysis cinc cobre contaminantes contaminantes industriales copper cuivre domestic animals elements energia energie energy energy sources facteur nuisible fibras fibras de origen animal fibre fibre animale fibres ganado ganado bovino hair heavy metals heifers industrial pollutants injurious factors integument jeune animal livestock mammals manganese manganeso meat animals metal metales metales pesados metals methode methods natural resources novilla nutrientes nutrients oligoelementos partes del cuerpo partie du corps pelo poils polluant polluant industriel pollutants productos productos de origen animal products produit produit d'origine animale recursos recursos naturales resources ressource ressource naturelle rumiante ruminant ruminants substance nutritive tegumento ternero trace elements transition elements veau vertebrados vertebrates vertebre young animals zinc