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Abstract

Background: Gastrointestinal nematodes (GINs) can cause significant economic losses in alpacas due to lowered production of fibre and meat. Although no anthelmintics are registered for use in alpacas, various classes of anthelmintics are frequently used to control parasitic gastroenteritis in...

Author(s)
Rashid, M. H.; Vaughan, J. L.; Stevenson, M. A.; Campbell, A. J. D.; Beveridge, I.; Jabbar, A.
Publisher
BioMed Central Ltd, London, UK
Citation
Parasites and Vectors, 2018, 11, 388, pp (4 July 2018)
Abstract

The objective of this study was to evaluate the status of anthelmintic resistance (AR) in ruminants and horses in Spain. The efficacy of commonly used macrocyclic lactones (MLs) - ivermectin (IVM) and moxidectin (MOX) - was measured in sheep, cattle and horses. In addition, albendazole (ABZ) and...

Author(s)
Martínez-Valladares, M.; Geurden, T.; Bartram, D. J.; Martínez-Pérez, J. M.; Robles-Pérez, D.; Bohórquez, A.; Florez, E.; Meana, A.; Rojo-Vázquez, F. A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2015, 211, 3/4, pp 228-233
Abstract

The susceptibility to morantel of a strain of O. ostertagi after 9 years of continuous use of morantel tartrate by Paratect bolus at a Friesian cattle farm in Viglunda, Sweden, was investigated. This was compared with a local strain of O. ostertagi from a nearby farm where no anthelmintics had been ...

Author(s)
Tornquist, M.; Purnell, R. E.; Tolling, S. T.
Citation
Veterinary Record, 1991, 129, 21, pp 472
Abstract

Four calves were infected with a susceptible (laboratory) strain of O. ostertagi and 4 with a field strain suspected to be resistant to benzimidazoles. After 25 days 2 calves from each group were treated with 3.5 mg/kg fenbendazole. Egg output fell to zero in all treated calves. Treated calves did...

Author(s)
Borgsteede, F. H. M.; Geerts, S.; Deken, R. de; Kumar, V.; Brandt, J.
Citation
Veterinary Parasitology, 1992, 41, 1-2, pp 85-92
Abstract

Benzimidazole- and levamisole-resistant Ostertagia circumcincta from sheep have been reported from several countries, but there are no reports of anthelmintic-resistant O. ostertagi in cattle, although resistance has been confirmed in controlled trials. Reasons for this may include the biology of...

Author(s)
Coles, G. C.
Citation
Veterinary Parasitology, 1988, 27, 1, pp 89-96
Abstract

Two experiments with a morantel resistant strain of O. ostertagi were carried out. In the first experiment, 5 groups of 5 calves were infected with 60 000 larvae of this resistant strain. Calves of one group remained untreated, calves of the other groups were treated with morantel tartrate,...

Author(s)
Borgsteede, F. H. M.
Citation
International Journal for Parasitology, 1991, 21, 7, pp 867-870
Abstract

Following treatment of a group of 6 animals with levamisole (5 mg/kg im) on a beef cattle farm in Flanders, Belgium, the reduction in trichostrongylid faecal egg output varied between 0 and 66.6%, whereas a similar group treated with fenbendazole (7.5 mg/kg per os) showed a 100% reduction....

Author(s)
Geerts, S.; Brandt, J.; Kumar, V.; Biesemans, L.
Citation
Veterinary Parasitology, 1987, 23, 1/2, pp 77-82
Abstract

A comparison was made of the efficacy of morantel tartrate against a susceptible laboratory strain and a field strain of O. ostertagi isolated during the use of a morantel-sustained release bolus. 20 calves were divided into 4 groups. Calves of groups 1 and 2 were infected with the susceptible...

Author(s)
Borgsteede, F. H. M.
Citation
International Journal for Parasitology, 1988, 18, 4, pp 499-502
Abstract

In 3 trials in Kentucky, USA, a total of 11 naturally infected calves were treated with levamisole (bolus formulation) at 5.8 to 8.1 mg/kg body-weight. Another 11 calves served as untreated controls. The efficacy against adult Ostertagia ostertagi was 70 and 76% in the 2 trials using calves from a...

Author(s)
Lyons, E. T.; Tolliver, S. C.; Drudge, J. H.; Hemken, R. W.; Button, F. S., Jr.
Citation
Modern Veterinary Practice, 1981, 62, 11, pp 847-850
Abstract

A group of 150 fallow deer were weaned in April 1989 on to improved pasture. Two thirds of the group were well grown. The remaining deer showed clinical signs of weight loss and diarrhoea and approximately 15 died. In May, 10 of the well grown animals had an average faecal egg count (FEC) of 40 epg ...

Author(s)
Mylrea, G. E.; Mulley, R. C.; English, A. W.
Citation
Australian Veterinary Journal, 1991, 68, 2, pp 74-75

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