Fourie, L.J.; Kok, D.J.; Heyne, Heloise; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
A study was conducted to compare the species of adult ixodid ticks on Friesian and Bonsmara cattle and their seasonal dynamics. Between five and ten animals of each breed were kept on natural False Upper Karoo vegetation, ...