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Development and validation of an ELISA for detecting antibodies to Eimeria tenella in chickens

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Constantinoiu, C.C., Molloy, J.B., Jorgensen, W.K. and Coleman, G.T. (2007) Development and validation of an ELISA for detecting antibodies to Eimeria tenella in chickens. Veterinary Parasitology, 150 (4). pp. 306-313.

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Article Link: http://dx.doi.org/10.1016/j.vetpar.2007.09.019

Publisher URL: http://www.elsevier.com


The aim of this study was to develop and validate an ELISA for detecting chicken antibodies to Eimeria tenella. An initial comparison of merozoite and sporozoite antigen preparations revealed few differences in their ability to monitor the onset, kinetics and magnitude of the antibody response suggesting that both antigens would be equally useful for development of an ELISA. Furthermore the cross-reactivity of these antigens with sera from birds infected with chicken Eimeria species was similar. The merozoite antigen was selected for further evaluation because it was easier to prepare. Discrimination between sera from birds experimentally infected with E. tenella and birds maintained in an Eimeria-free isolation facility was excellent. In sera collected from free-range layers and commercial broilers there also appeared to be clear discrimination between infected and uninfected birds. The ELISA should prove useful for monitoring infectivity in vaccination programmes in layer and breeder flocks and for assessing the effectiveness of biosecurity measures in broiler flocks.

Item Type:Article
Corporate Creators:Emerging Technologies
Additional Information:© Elsevier
Keywords:Antibodies; Chickens; Eimeria; ELISA; Merozoites; Sporozoites.
Subjects:Animal culture > Breeding and breeds
Live Archive:22 Jan 2009 03:27
Last Modified:03 Sep 2021 16:47

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