Browsing 1980 Onderstepoort Journal of Veterinary Research, Volume 47, 1980 by Author "De Villiers, I.L."

Browsing 1980 Onderstepoort Journal of Veterinary Research, Volume 47, 1980 by Author "De Villiers, I.L."

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  • Studies on Haemonchus contortus. III. Titration of Trichostrongylus axei and expulsion of H. contortus 
    Reinecke, R.K.; Bruckner, Christel; De Villiers, I.L.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by the Government Printer, Pretoria., 1980)
    Groups of Merino weaners were dosed with infective larvae of Trichostrongylus axei in numbers ranging from 20 000 - 50 000 and challenged 3 months later with 50 000 infective larvae of Haemonchus contortus. When half the ...