TY - GEN AU - Sanders,D E TI - Evaluating copper and zinc in dairy rations SN - 0003-1488 PY - 1992///0130 KW - Animal Feed KW - adverse effects KW - Animals KW - Cattle KW - Cattle Diseases KW - chemically induced KW - Copper KW - deficiency KW - Female KW - Zinc N1 - Publication Type: Letter ER -