Fasciola hepatica: An assessment on the vectorial capacity of Radix labiata and R. balthica commonly found in Belgium

Caron, Yannick; Lasri, Sâadia; Losson, Bertrand

doi:10.1016/j.vetpar.2007.07.012

Cited by 33 publications

(36 citation statements)

References 37 publications

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“…Particular species of the genus Radix may differ in their susceptibility to medically and/or veterinary important trematodes belonging to bird schistosomes (family Schistosomatidae, especially the genus Trichobilharzia Skrjabin et Zakharow, 1920) (Horák et al 1998(Horák et al , 2002Ferte et al, Horák and Kolářová 2011) and fasciolids (family Fasciolidae, especially the genus Fascioloides Ward, 1917) (Dreyfus et al 1997, Faltýnková et al 2006, Caron et al 2007, Lotfy et al 2008, Mas-Coma et al 2009). Only susceptible snails play a role in parasite transmission and have impact on epidemiological/epizootiological situation.…”

Section: Introductionmentioning

confidence: 99%

Radix spp.: Identification of trematode intermediate hosts in the Czech Republic

Huňová

Kašný

Hampl

et al. 2012

Acta Parasitologica

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Lymnaeid snails of the genus Radix serve as intermediate hosts of some schistosomes and fasciolids. In Europe, delineation of species within the genus Radix is unresolved and, therefore, spectrum of snail hosts susceptible to trematode infections is under discussion. We used and compared three criteria for species delineation using snails collected at 43 localities. (a) Sequence analysis of ITS-2 rDNA disclosed that the collected snails belong to four species -R. auricularia (Linnaeus, 1758), R. peregra (Müller, 1774), R. lagotis (Schrank, 1803) and R. labiata (Rossmaessler, 1835) (criteria and names are based on the work of Bargues et al. 2001). Occurrence of R. peregra in the Czech Republic was confirmed by molecular data for the first time. (b) Characterization of reproductive system disclosed differences in location, size and shape of bursa copulatrix and its ductus. Unfortunately, some R. labiata specimens shared morphological features of reproductive organs with R. lagotis. (c) Statistical analysis of shell morphology proved that significant differences exist among particular species. One prediction model showed that correct classification of species may be achieved in 82-84% of cases. However, identification of individual snails in the field (without knowledge of respective snail population and use of statistical tools) still remains a complicated issue due to overlaps of shell characteristics. Concerning the role in trematode transmission, R. lagotis, R. labiata and R. peregra are susceptible to Trichobilharzia regenti. Also, successful experimental infections of R. lagotis and R. labiata by Fascioloides magna were accomplished.

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Section: Introductionmentioning

confidence: 99%

Radix spp.: Identification of trematode intermediate hosts in the Czech Republic

Huňová

Kašný

Hampl

et al. 2012

Acta Parasitologica

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“…De mate van verminderde melkproductie loopt op met een toename van het aantal botten die is af te lezen aan het aantal antilichamen in het bloed (Boray, 2015;Howell et al, 2015). Daarnaast kan de infectie gevolgen hebben voor de fertiliteit; bij 2007. (Bron: Rotgers (2015) volwassen koeien kan de tussenkalftijd toenemen met 5 (Armstrong, 2014), 13 (Schweizer et al, 2005) tot 20 dagen (Dobbs, 2014) en bij geïnfecteerde vaarzen kan de eerste tochtigheid tot 39 dagen later zijn dan bij niet geïnfecteerde dieren (Kaplan, 2001).…”

Section: Discussionunclassified

Wat zijn de mogelijkheden om een leverbotinfectie van melkvee te voorkomen?

Neijenhuis

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Verkaik

2017

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. Wat zijn de mogelijkheden om een leverbotinfectie van melkvee te voorkomen? Wageningen Livestock Research, Louis Bolk Instituut, Rapport 1029.Samenvatting NL Infecties met leverbot zijn in toenemende mate een knelpunt in de diergezondheid van grazende (of vers gras gevoerde) herkauwers. Leverbotinfectie leidt tot ziekte met economische gevolgen en voor melkgevende dieren zijn geen anthelmintica vrij beschikbaar. In dit project is het leverbotinstrument ontwikkeld met als doel om veehouders inzicht en handelingsperspectief te geven ten aanzien van de leverbotsituatie op hun bedrijf. In dit rapport worden de resultaten van het leverbotinstrument weergegeven en van een drietal preventieve maatregelen die zijn uitgeprobeerd.Summary UK Liverfluke infections are increasingly a bottleneck in the animal health of grazing (or fresh grass fed) ruminants. Liverfluke leads to disease with economic consequences and for lactating animals no anthelmintics are freely available. This project has been working on the development of the liverfluke instrument with the aim of providing dairy farmers insight and action perspective regarding the liverfluke situation on their farm. This report presents the results of the liverfluke instrument and of three preventive measures that have been investigated.

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“…The enzyme electrophoresis in starch gel is a very cheap and simple biochemical method that could be used in a very Abrous et al (1999Abrous et al ( , 2000, Mage et al (2002) c Vignoles et al (2002) d Barthe (1982, 1987) e Van Aken (1982), Van Aken and Brandt (1987) f Shubkin et al (1992), Rognlie et al (1994Rognlie et al ( , 1996 g Heussler et al (1993), Kaplan et al (1995Kaplan et al ( , 1997 h Krämer and Schnieder (1998), Mostafa et al (2003), Velusamy et al (2004), Cucher et al (2006), Caron et al (2007) i Magalhaes et al (2004) j Heussler et al (1993), Schweizer et al (2007) modest laboratory for a preliminary selection of possible intermediate hosts in a particular epidemiological context but the check out can be difficult (enzyme choice, temperature, chemical revelation). The specificity and sensitivity of the technique is poor when compared with DNA/RNA-based techniques and consequently it is not used anymore.…”

Section: Advantages and Disadvantages Of Screening Methodsmentioning

confidence: 99%

“…Several research teams used Kaplan's experiments to design PCR protocol and confirm the usefulness of this tool under field or experimental conditions (Krämer andSchnieder 1998, 1999;Krämer 1999;Mostafa et al 2003;Velusamy et al 2004;Caron et al 2007). Additionally, an original PCR protocol using a fragment of the cytochrome C oxidase subunit 1 gene of F. hepatica was compared to microscopic observation in naturally infected snails (Cucher et al 2006).…”

Section: Rna-based Blottingmentioning

confidence: 99%

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The detection and quantification of a digenean infection in the snail host with special emphasis on Fasciola sp.

2008

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In this review, ten methods used to study digenean infections in their intermediate hosts were compared to determine which one should be used either in the field or in the lab to establish the prevalence and intensity of infections in snails. Snail crushing and snail dissection allow quick establishing of prevalence in natural or experimental infections, whereas histology is considered as the most accurate approach to assess the intensity of infection. The follow-up of cercarial shedding only gave an idea on cercarial production. Among recently developed techniques, polymerase chain reaction (PCR) brings the most accurate information and shows high sensitivity and specificity levels when compared to blotting techniques. The easiness and relatively low cost of the basic PCR protocol make it interesting to investigate the epidemiology of the liver fluke in a lab with limited financial resources. Nevertheless, if this technique allows a relatively good estimation of the prevalence, information concerning the intensity of infection is best obtained through real time PCR. However, at the time being this technique is too expensive to be used routinely in the field. The choice between classical or new techniques is usually based on a compromise, as each technique has its advantages and drawbacks.

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Fasciola hepatica: An assessment on the vectorial capacity of Radix labiata and R. balthica commonly found in Belgium

Cited by 33 publications

References 37 publications

Radix spp.: Identification of trematode intermediate hosts in the Czech Republic

Radix spp.: Identification of trematode intermediate hosts in the Czech Republic

Wat zijn de mogelijkheden om een leverbotinfectie van melkvee te voorkomen?

The detection and quantification of a digenean infection in the snail host with special emphasis on Fasciola sp.

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