Re: Faecal egg counts as a guide for drench use

Authors: Vlassoff A, Leathwick DM, Heath ACG
Publication: New Zealand Veterinary Journal, Volume 50, Issue 3, pp 124, Jun 2002
Publisher: Taylor and Francis

Animal type: Livestock, Production animal, Ruminant, Sheep
Subject Terms: Alimentary system/gastroenterology, Animal remedies/veterinary medicines, Anthelmintics, Parasite control, Parasites - internal, Biosecurity, Disease control/eradication, Epidemiology, Nematode, Treatment/therapy
Article class: Correspondence

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Abstract:
Dr McKenna is correct in pointing out that the correlation quoted was between FECs and the corresponding worm burdens from individual animals. We were always aware of this, but during the reviewing/editing process a number of changes were made to the paper which unfortunately included the insertion of the word "mean" in the sentence concerned. Regrettably this change was missed during our check of the galley proofs. The idea of FEC threshold/trigger levels for use in parasite control programmes, above which a drench would be applied, has been topical for some time. The concept is obviously dependant on the relationship between a sheep`s FEC and its corresponding worm burden, and the potential effects of the infection on productivity...

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