| Effect of feeding bioactive forages on infection and subsequent development of Haemonchus contortus in lamb faeces. | |
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MedLine Citation:
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PMID: 20554118 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Contrasting dried herbage diets were offered to lambs to evaluate their effects on Haemonchus contortus infection and on subsequent development of larvae in faeces. Artificially infected lambs (n=24, 4 months old) were allocated to one of four treatment groups (n=6) and fed on hay of lucerne (Medicago sativa; Lu), sulla (Hedysarum coronarium; Su), sainfoin (Onobrychis viciifolia; Sa) or wormwood (Artemisia absinthium; Wo) included as 20% in ground lucerne pellets. While voluntary intake was similar, lamb growth rates were notably affected by diet. Additionally, necropsies carried out 30 days post-infection showed that worm burden was reduced by 8 (Su), 13 (Sa) and 49% (Wo) with respect to that found in lambs fed on lucerne, though only the difference with wormwood was significant. Faecal egg excretion expressed on a dry matter basis was also reduced by 22 (Su), 54 (Sa) and 73% (Wo), but differences were significant only for wormwood and sainfoin, which was associated with a decrease in female fecundity. Sulla and sainfoin diets significantly reduced egg hatching rates but increased the percentage of L(3) in the faeces of the host animal, particularly in the case of sulla hay compared to other forages. Consequently, the potential risk of infection derived from faecal excretion could be notably altered. Further work is needed to validate these findings and their implications in an applied farming system. |
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Authors:
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J Valderrábano; C Calvete; J Uriarte |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-04-28 |
Journal Detail:
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Title: Veterinary parasitology Volume: 172 ISSN: 1873-2550 ISO Abbreviation: Vet. Parasitol. Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-08-06 Completed Date: 2010-12-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7602745 Medline TA: Vet Parasitol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 89-94 Citation Subset: IM |
Copyright Information:
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(c) 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Centro de Investigación y Tecnología Agroalimentaria de Aragón, Avda. de Montañana, 930, 50059 Zaragoza, Spain. jvalderrabano@aragon.es |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Artemisia / metabolism* Blood Cell Count / veterinary Eating / physiology Feces / parasitology Female Gastrointestinal Diseases / metabolism, parasitology, veterinary* Haemonchiasis / metabolism, parasitology, veterinary* Haemonchus / growth & development*, metabolism Hematocrit / veterinary Hemoglobins / analysis Male Parasite Egg Count / veterinary Sheep Sheep Diseases / metabolism, parasitology* |
| Chemical | |
Reg. No./Substance:
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0/Hemoglobins |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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