Use of FAMACHA (R) Eye-Colour-Chart in the context of breeding for parasite resistance in lambs exposed to an artificial Haemonchus contortus infection.
2004 | journal article. A publication with affiliation to the University of Göttingen.
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Use of FAMACHA (R) Eye-Colour-Chart in the context of breeding for parasite resistance in lambs exposed to an artificial Haemonchus contortus infection.
Gauly, M.; Schackert, M. & Erhardt, G. (2004)
DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT, 111(11) pp. 430-433.
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- Authors
- Gauly, Matthias; Schackert, M.; Erhardt, Georg
- Abstract
- The control of gastro-intestinal nematodes in sheep has almost entirely been based on the use of anthelmintics and pasture management. Therefore anthelmintic resistance escalated in the past. One way of reducing this problem may be the limitation of anthelmintic treatment to those animals with clinical symptoms only. The FAMACHA(R) Eye-colour-chart is based on the principle knowledge that the colour of mucous membranes are correlated with the anaemiae situation of an animal. To monitor anaemic animals they are identified and classified in a 1 to 5-color scale based on the colour of the conjunctiva, and anaemic animals can be selectively treated. It helps to reduce treatments and therefore the development of drug resistance. The objective of this study was to estimate the correlation between FAMACHA(R)-scores, haematocrit values, faecal egg counts, plasma albumin level and worm burden following an experimental infection with Haemonchus contortus in lambs. The estimated correlations have been low. This proofs the limits of the FAMACHA(R) system under a situation of low parasite pressure.
- Issue Date
- 2004
- Status
- published
- Publisher
- M H Schaper Gmbh Co Kg
- Journal
- DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT
- ISSN
- 0341-6593