Browsing 1988 Onderstepoort Journal of Veterinary Research, Volume 55, 1988 by Author "Malan, Letitia"

Browsing 1988 Onderstepoort Journal of Veterinary Research, Volume 55, 1988 by Author "Malan, Letitia"

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  • Susceptibility to heartwater of calves born to non-immune cows 
    Du Plessis, J.L.; Malan, Letitia; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)
    The resistance to artificical infection with Cowdria ruminantium of calves born to cows fully susceptible to heartwater is no different from that of calves bred in heartwater endemic areas where the tick challenge is ...