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The proportion of liver excised in Algerian abattoirs is not a good indicator of Fasciola hepatica infections in local cattle breeds

Published online by Cambridge University Press:  12 April 2024

A. Mekroud ,
A. Titi ,
A. Benakhla  and
D. Rondelaud
A. Mekroud
Affiliation:
Département des Sciences Vétérinaires, Faculté des Sciences, Université de Constantine, 25000 Constantine, Algeria:
A. Titi
Affiliation:
Abattoir de Constantine, 25000 Constantine, Algeria:
A. Benakhla
Affiliation:
Département Vétérinaire, Centre Universitaire d'El Tarf, 36000 El Tarf, Algeria:
D. Rondelaud*
Affiliation:
UPRES EA 3174/USC INRA, Faculté de Médecine, 87025 Limoges, France
*
*Author for correspondence Fax: 33 555 435893 E-mail: [email protected]
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Abstract

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Clinical and serological investigations on 175 cattle were carried out in 1999 at the slaughterhouse of Jijel, northeastern Algeria, to verify if partial ablation of a liver infected with Fasciola hepatica represents a good epidemiological indicator in the case of fasciolosis, as partial excision of the liver is widespread throughout North African countries. This study was also performed to determine if there is a direct relationship between the quantity of liver confiscated for fasciolosis and the serological response of slaughtered animals. A significant relationship between highly infected livers and positive serological titres was noted. However, two groups of results were conflicting: the presence of macroscopically healthy, undamaged livers with a positive serology (8.3% of 120 cattle), or the existence of highly damaged livers with a negative serology (13.0% of 31 cattle). These results indicate that partial removal of the liver in the case of fasciolosis is unreliable, so this method does not represent a good tool to establish epidemiological data on this disease.

Type
Research Article
Information
Journal of Helminthology , Volume 80 , Issue 3 , September 2006 , pp. 319 - 321
Copyright
Copyright © Cambridge University Press 2006

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