7JELINEK P D,DEPIAZZI L J,GALVIN D A. Eradication of ovine footrot by repeated daily footbathing in a solution of zinc sulphate with surfactant[J].{H}Australian Veterinary Journal,2001,(06):431-434.
8MALECKI J C,MCCAUSLAND I P. In vitro penetration and absorption of chemicals into the ovine hoof[J].{H}Research in Veterinary Science,1982,(02):192-197.