TY - GEN AU - Stec,A AU - Mochol,J AU - Kurek,L AU - Wałkuska,G AU - Chałabis-Mazurek,A TI - The influence of different factors on selenium levels in dairy cow herds in the central-eastern region of Poland SN - 1505-1773 PY - 2005///1212 KW - Animal Feed KW - Animals KW - Cattle KW - blood KW - Lactation KW - Poland KW - Seasons KW - Selenium N1 - Publication Type: Journal Article ER -