Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Author "Reinecke, R.K."

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Availability of infective larvae of parasitic nematodes of sheep grazing on Kikuyu (Pennisetum clandestinum) pastures in the winter rainfall area

Reinecke, R.K.; Kirkpatrick, R.; Kriel, Anna M.D.; Frank, F.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1989)

Thirteen groups of 4 South African mutton Merinos grazed for 4 weeks with the flock on Kikuyu pastures and were slaughtered for total and differential worm counts at necropsy. Subsequently 12 groups of 8 week tracers grazed ...
Overberg Research Projects. IV. The development of resistance to Nematodirus in lambs and spontaneous cure of Teladorsagia in weaners

Reinecke, R.K.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1989)

Soon after 12-week old suckling lambs reached a peak infestation of Nematodirus resistance developed, worm burdens falling by 43,1-97,5% in 18 week and 11-month old sheep respectively. Both Teladorsagia (syn. Ostertagia) ...

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