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Evaluating the effectiveness of trematocides against Fasciola gigantica and amphistomes infections in cattle, using faecal egg count reduction tests in Iringa Rural and Arumeru Districts, Tanzania.

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Nzalawahe, Jahashi, Hannah, Rose, Kassuku, Ahmed A, Stothard, Russell ORCID: https://orcid.org/0000-0002-9370-3420, Coles, Gerald and Eisler, Mark C (2018) 'Evaluating the effectiveness of trematocides against Fasciola gigantica and amphistomes infections in cattle, using faecal egg count reduction tests in Iringa Rural and Arumeru Districts, Tanzania.'. Parasites & Vectors, Vol 11, Issue 1, p. 384.

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Abstract

Fasciolosis, caused by the liver fluke Fasciola gigantica, and paramphistomosis are widespread in cattle in Tanzania, and the use of trematocides is encouraged by the Government livestock extension officers. However, reduced efficacy of oxyclozanide against Fasciola gigantica and amphistomes (rumen flukes), and albendazole against F. gigantica, has been reported in some regions. This study was conducted to assess the efficacy of different trematocides against F. gigantica and amphistome infections in cattle at Iringa Rural and Arumeru Districts. Cattle found with concurrent infection of F. gigantica and amphistomes were randomly grouped into six experimental groups. One control group was left untreated while five treatment groups were treated with one of five trematocides that include: albendazole, nitroxynil, oxyclozanide, closantel and triclabendazole. Post-treatment faecal sample collection was done on the day of treatment and again at 7, 14 and 28 days, from each cattle. The samples were processed by Flukefinder® method to recover and identify eggs. Assessment of the efficacy of the trematocides against F. gigantica and amphistomes was conducted using faecal egg count reduction (FECR) tests. The findings of the present study in both districts indicate that nitroxynil, oxyclozanide, closantel and triclabendazole are effective against patent F. gigantica infection, as the calculated FECR% for each trematocide was 100% by day 14 post-treatment. However, albendazole found to have reduced efficacy of against F. gigantica, as FECR% was 49% in Arumeru District and 89% in Iringa Rural District by day 14 post-treatment. Oxyclozanide was the only trematocide found to be effective against amphistomes with FECR of 99%. Albendazole had reduced efficacy against F. gigantica in cattle in Arumeru and Iringa Rural Districts, Tanzania. The reduced efficacy was prominent in Arumeru, where cattle are commonly treated with anthelmintics, than in Iringa Rural, where cattle are seldom treated.

Item Type: Article
Subjects: QW Microbiology and Immunology > Environmental Microbiology > QW 70 Veterinary microbiology
WA Public Health > Preventive Medicine > WA 110 Prevention and control of communicable diseases. Transmission of infectious diseases
WA Public Health > WA 30 Socioeconomic factors in public health (General)
WC Communicable Diseases > Tropical and Parasitic Diseases > WC 805 Trematode infections (General)
Faculty: Department: Biological Sciences > Department of Tropical Disease Biology
Digital Object Identifer (DOI): https://doi.org/10.1186/s13071-018-2965-7
SWORD Depositor: JISC Pubrouter
Depositing User: Stacy Murtagh
Date Deposited: 18 Jul 2018 14:59
Last Modified: 02 Dec 2019 12:53
URI: https://archive.lstmed.ac.uk/id/eprint/8926

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