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Incidence, clinical appraisal and treatment of haemonchosis in small ruminants of resource-poor areas in South Africa

A novel clinical assay for the assessment and subsequent treatment of Haemonchus infection in sheep to slow down the development of anthelmintic resistance – the FAMACHA / Dissertation (MSc)--University of Pretoria, 2001. / Veterinary Tropical Diseases / unrestricted
Date23 February 2003
CreatorsVatta, Adriano Francis
ContributorsKrecek, R.C.,
PublisherUniversity of Pretoria
Source SetsSouth African National ETD Portal
Detected LanguageEnglish
Rights©, system – has been developed, tested and validated in South Africa. The system is based on a colour chart with five colour categories depicting varying degrees of anaemia that are compared with the colour of the conjunctival mucous membranes of sheep. The animal is then scored from severely anaemic (pale) through anaemic to non-anaemic (red) and those animals considered in danger of succumbing to the effects of haemonchosis are treated. This method was tested in the present study in goats and sheep farmed under resource-poor conditions in South Africa. The diversity and predominance of nematode genera in goats and sheep at Rust de Winter, Gauteng Province, in goats at Impendle, KwaZulu-Natal Province, and in goats and sheep at Kraaipan, North-West Province, were determined by means of a longitudinal study of the nematode faecal egg counts (FECs) and differential third-stage larvae. The animals were bled for haematocrit determination, scored for pallor of ocular mucous membranes using the FAMAC

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