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    The bio-ecology of the sheep scab mite Psoroptes ovis (Acari: Psoroptidae) Hering (1835) 

    Meintjes, Theresa (University of the Free State, 1999-09)
    English: Sheep scab, which is caused by the mite Psoroptes ovis, has been and is still today an impediment to sheep husbandry in many countries throughout the world. Despite the economic impact, sheep scab remains a ...
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    Sessiline ciliophorans associated with Haliotis species (Mollusca: Archaeogastropoda) from the South Coast of South Afica 

    Botes, Heléne (University of the Free State, 1999-06)
    English: Abalone, locally known as perlemoen, are herbivorous marine gastropods with all species in one genus, Haliotis Linneaus, 1758. Abalone have been commercially exploited since ancient times. Along the southern ...
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    The sustainable utilisation of the African clawed frog, Xenopus laevis (Daudin) 

    Weldon, Che (University of the Free State, 1999-11)
    English: The African Clawed Frog, Xenopus laevis has been used extensively in medical and scientific research. For almost a full century this pipid frog has been exported around the world by thousands. The present study ...

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    AuthorBotes, Heléne (1)Meintjes, Theresa (1)Weldon, Che (1)Subject
    Dissertation (M.Sc. (Zoology and Entomology))--University of the Free State, 1999 (3)
    Abalones -- Parasites -- South Africa (1)Captive breeding (1)Collecting method (1)Frogs -- Economic aspects -- South Africa -- Free State (1)Haematology (1)Host body mass (1)Host-parasite relationships (1)Lesion growth (1)Mite longevity (1)... View MoreDate Issued
    1999 (3)
    Has File(s)Yes (3)

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