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Abstract

In this article the author discusses the impact of gastrointestinal infections in adult cattle and presents guidelines on how to minimize variable responses to treatment. Highlights include: GI nematode species in dairy cattle, life cycle of GI nermatodes, immunity, risk of infection and impact on...

Author(s)
Pedersen, S.
Publisher
Veterinary Business Development Ltd, Peterborough, UK
Citation
Veterinary Times, 2015, 45, 4, pp 8-9
Abstract

Nematode parasitism of feedlot cattle has received very little research attention. It is assumed that anthelmintics administered at feedlot entry are effective and that feedlot conditions preclude post-treatment infection by helminths. Given the paucity of information about feedlot nematodiasis,...

Author(s)
Yazwinski, T. A.; Tucker, C. A.; Miles, D. G.; Reynolds, J. L.; Jones, L. L.; Hornsby, J. A.; Smith, M. T.; Martin, B. E.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Bovine Practitioner, 2012, 46, 1, pp 60-65
Abstract

Next-generation deep amplicon sequencing, or metabarcoding, has revolutionized the study of microbial communities in humans, animals and the environment. However, such approaches have yet to be applied to parasitic helminth communities. We recently described the first example of such a method -...

Author(s)
Avramenko, R. W.; Redman, E. M.; Lewis, R.; Bichuette, M. A.; Palmeira, B. M.; Yazwinski, T. A.; Gilleard, J. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2017, 47, 13, pp 893-902
Abstract

This study was conducted to assess effectiveness, safety and benefit of injectable moxidectin compared to an injectable ivermectin-clorsulon combination. A total 2,022 stocker calves maintained on 11 Arkansas and Missouri cattle farms were randomly and evenly allocated on each farm into either the...

Author(s)
Yazwinski, T. A.; Tucker, C. A.; Powell, J. G.; Reynolds, J.; Johnson, Z. B.; Moore, J. J.; Prewett, C.; Griffin, D.; Haller, B.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Bovine Practitioner, 2007, 41, 2, pp 146-150
Abstract

The present investigation was made with the purpose of determining the anthelmintic resistance of nematodes to fenbendazole 10%, albendazole 10%, levamisole 15% and ivermectin 1%. On each farm, 50 cattle positive for gastrointestinal nematodes were used. The therapeutic dose of fenbendazole and...

Author(s)
Rojas, J.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2007, 8, 9, pp 090711
Abstract

During the past three years there have been several reports of cattle anthelmintic resistance (AR) in Argentina. Twenty-five cattle herds in the west fattening area of the Pampeana Region were surveyed to assess the prevalence of AR and the species of nematode involved. The survey involved...

Author(s)
Suarez, V. H.; Cristel, S. L.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2007, 144, 1/2, pp 111-117
Abstract

In order to estimate possible centres of resistance of bovine gastrointestinal helminths to ivermectin, levamisole phosphate and albendazole sulphoxide, 39 farms in the Santa Catarina Plateau (Brazil) were evaluated. In each location a mean number of 60 samples of faeces were collected from animals ...

Author(s)
Souza, A. P. de; Ramos, C. I.; Bellato, V.; Sartor, A. A.; Schelbauer, C. A.
Publisher
Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, Brazil
Citation
Ciência Rural, 2008, 38, 5, pp 1363-1367
Abstract

First cases of resistance of Cooperia pectinata and C. oncophora to avermectins were detected in Argentina in 2001. Spread of resistance to anthelmintics in various parts of the pampas region is outlined. Differences in anthelmintics resistance in helminth parasites of cattle and sheep are...

Author(s)
Humberto Suárez, V.; Cristel, S. L.
Publisher
Estación Experimental Regional Agropecuaria Anguil (INTA) (EEA), Secretaría de Agricultura, Ganadería y Pesca, Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 2005, No.88, pp 98-101
Abstract

The persistent effect of a commercial presentation of ivermectina+abamectin (3.5% LA solution) on weight gain and reduction of gastrointestinal nematodos eggs per g of faeces in weaned yearly calves was studied. These were mantained in two pastures with warm and humid climate for a 70 day period in ...

Author(s)
Quiroz-Romero, H.; Chavarría-Martínez, B.; Carrillo, J.; Pérez, M.; Ochoa-Galván, P.
Publisher
Sociedad Española de Parasitología, Caceres-Badajoz, Spain
Citation
Revista Ibero-Latinoamericana de Parasitología, 2009, 68, 2, pp 180-184
Abstract

A total of 10 calves averaging 133 kg liveweight and naturally infected with gastrointestinal nematodes were grazed in three lucerne pastures, at a stocking rate of 3 animals/ha, from February to June 2006. Animals received either (a) no treatment (controls); (b) 200 µg/kg invermectin...

Author(s)
Cristel, S. L.; Suárez, V. H.; Gavella, J. O.
Publisher
Estación Experimental Regional Agropecuaria Anguil (INTA) (EEA), Secretaría de Agricultura, Ganadería y Pesca, Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 2008, No.94, pp 88-90

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