Relative economic benefits of tactical anthelmintic treatment and urea-molasses block supplementation of Boer goats raised under extensive grazing conditions at Onderstepoort, Pret...

by A.F. Vatta, R.C. Krecek, R.A. Pearson, M.F. Smith, M.O. Stenson, E.F. Van Wijk, L.J.S. Harrison
Published 2008-09-01

Haemonchus spp. in sheep farmed under resource-poor conditions in South Africa - effect on haematocrit, conjunctival mucous membrane colour and body condition

by A.F. Vatta, R.C. Krecek, M.J. Van der Linde, P.W. Motswatswe, R.J. Grimbeek, E.F. Van Wijk, J.W. Hansen
Published 2002-07-01