Effects of a controlled-release albendazole capsule on [nematode] parasitism and production from grazing Merino ewes and lambs [sheep]
1993
Barger, I.A. (Commonwealth Scientific and Industrial Research Organisation, Armidale (Australia). Div. of Animal Health) | Steel, J.W. (Commonwealth Scientific and Industrial Research Organisation, Glebe (Australia). Div. of Animal Health) | Rodden, B.R. (Captec Pty Ltd, Laverton (Australia))
An experiment was conducted on a site where the naturally occurring nematode parasites were benzimidazole-resistant, with double the recommended dose of oxfendazole reducing faecal egg counts of Trichostrongylus colubriformis by less than 50 percent. Two controlled-release albendazole (CRC) treatments were compared with a minimal treatment control and the widely-used strategic control program, Wormkill. Egg counts and worm burdens of major parasite species of ewes and of lambs before and after weaning were significantly reduced by use of the CRC in ewes before lambing or in lambs at weaning, with increased productivity. Where lambs were weaned by removing ewes from the lambing paddock, administration of the CRC at weaning to lambs whose dams had also been treated with the CRC did not result in improved production when compared with lambs from ewes dosed with CRCs and treated after weaning according to the Wormkill program. Some possible uses for the CRC in ewes and lambs were identified.
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