Authors: Hatfield, PG Swenson, CK Kott, RW Ansotegui, RP Roth, NJ Robinson, BL

Citation: Pg. Hatfield et al., Zinc and copper status in ewes supplemented with sulfate- and amino acid-complexed forms of zinc and copper, J ANIM SCI, 79(1), 2001, pp. 261-266

Authors: Hatfield, PG Field, RA Hopkins, JA Kott, RW

Citation: Pg. Hatfield et al., Palatability of wethers fed an 80% barley diet processed at different agesand of yearling wethers grazed on native range, J ANIM SCI, 78(7), 2000, pp. 1779-1785

Authors: Daniels, JT Hatfield, PG Burgess, DE Kott, RW Bowman, JGP

Citation: Jt. Daniels et al., Evaluation of ewe and lamb immune response when ewes were supplemented with vitamin E, J ANIM SCI, 78(10), 2000, pp. 2731-2736