Explanipedia

Research Note: Analysis of immune responses in broilers after vaccination against Campylobacter jejuni Open

Noémie Gloanec, Daniel Dory, Ségolène Quesne, Véronique Béven, Typhaine Poëzévara , et al. · 2023

High antigenic diversity of serotype 1 infectious bursal disease virus revealed by antigenic cartography Open

Liliana L. Cubas-Gaona, Céline Courtillon, François‐Xavier Briand, Higor Cotta, Stéphanie Bougeard , et al. · 2022

Infectious Bronchitis Coronavirus: Genome Evolution in Vaccinated and Non-Vaccinated SPF Chickens Open

Alexandre Flageul, Chantal Allée, Céline Courtillon, Véronique Béven, Hélène Quenault , et al. · 2022

Infectious Bronchitis virus (IBV) continues to cause significant economic losses for the chicken industry despite the use of many live IBV vaccines around the world. Several authors have suggested that vaccine-induced partial protection ma…

Efficacy of passive immunization in broiler chicks via an inactivated Escherichia coli autogenous vaccine administered to broiler breeder hens Open

Alassane Keïta, Laëtitia Le Devendec, Michel Amelot, Julie Puterflam, Camille Lucas , et al. · 2022

Avian pathogenic Escherichia coli (APEC) cause extra-intestinal infections called colibacillosis, which is the dominant bacterial disease in broilers. To date, given the diversity of APEC strains and the need for an acceptable level…

Blood B Cell Depletion Reflects Immunosuppression Induced by Live-Attenuated Infectious Bursal Disease Vaccines Open

Céline Courtillon, Chantal Allée, Michel Amelot, Alassane Keïta, Stéphanie Bougeard , et al. · 2022

Immunosuppression in poultry production is a recurrent problem worldwide, and one of the major viral immunosuppressive agents is Infectious Bursal Disease Virus (IBDV). IBDV infections are mostly controlled by using live-attenuated vaccine…

Rabbit haemorrhagic disease virus Lagovirus europaeus/GI.1d strain: genome sequencing, in vivo virus replication kinetics, and viral dose effect Open

Clément Droillard, Evelyne Lemaitre, Michel Amelot, Yannick Blanchard, Alassane Keïta , et al. · 2021

Genome Evolution of Two Genetically Homogeneous Infectious Bursal Disease Virus Strains During Passages in vitro and ex vivo in the Presence of a Mutagenic Nucleoside Analog Open

Liliana L. Cubas-Gaona, Alexandre Flageul, Céline Courtillon, François‐Xavier Briand, Maud Contrant , et al. · 2021

The avibirnavirus infectious bursal disease virus (IBDV) is responsible for a highly contagious and sometimes lethal disease of chickens ( Gallus gallus ). IBDV genetic variation is well-described for both field and live-attenuated vaccine…

Ex vivo rescue of recombinant very virulent IBDV using a RNA polymerase II driven system and primary chicken bursal cells Open

Liliana L. Cubas-Gaona, Romane Trombetta, Céline Courtillon, Kai Li, Xiaole Qi , et al. · 2020

Infectious Bursal Disease Virus (IBDV), a member of the Birnaviridae family, causes an immunosuppressive disease in young chickens. Although several reverse genetics systems are available for IBDV, the isolation of most field-derived strai…

Variations of the Escherichia coli population in the digestive tract of broilers Open

Gwénaëlle Mourand, Laëtitia Le Devendec, Sabine Delannoy, Patrick Fach, Alassane Keïta , et al. · 2020

We explored the between-group and temporal variations in the intestinal Escherichia coli populations of broilers under experimental conditions, taking both antimicrobial resistance and virulence into consideration. Four replicates o…

Transmission Kinetics and histopathology induced by European Turkey Coronavirus during experimental infection of specific pathogen free turkeys Open

Paul A. Brown, Céline Courtillon, Erik A. W. S. Weerts, Mathieu Andraud, Chantal Allée , et al. · 2018

Numerous viruses, mostly in mixed infections, have been associated worldwide with poult enteritis complex (PEC). In 2008 a coronavirus (Fr-TCoV 080385d) was isolated in France from turkey poults exhibiting clinical signs compatible with th…

Propagation and titration of infectious bursal disease virus, including non-cell-culture-adapted strains, usingex vivo-stimulated chicken bursal cells Open

Sébastien Soubiès, Céline Courtillon, Mouna Abed, Michel Amelot, Alassane Keïta , et al. · 2017

Infectious bursal disease virus (IBDV) is a Birnaviridae family member of economic importance for poultry. This virus infects and destroys developing B lymphocytes in the cloacal bursa, resulting in a potentially fatal or immunosuppressive…

Identification of a European interserotypic reassortant strain of infectious bursal disease virus Open

Sébastien Soubiès, Céline Courtillon, François‐Xavier Briand, Maryline Queguiner-Leroux, D. Courtois , et al. · 2016

Infectious bursal disease virus (IBDV, family Birnaviridae) is a bi-segmented double-stranded RNA virus for which two serotypes are described. Serotype 1 replicates in the bursa of Fabricius and causes an immunosuppressive and potentially …

Identification of a European interserotypic reassortant strain of infectious bursal disease virus Open

Sébastien Soubiès, Céline Courtillon, François‐Xavier Briand, Maryline Queguiner-Leroux, D. Courtois , et al. · 2016

Infectious bursal disease virus (IBDV, family Birnaviridae) is a bi-segmented double-stranded RNA virus for which two serotypes are described. Serotype 1 replicates in the bursa of Fabricius and causes an immunosuppressive and poten…

Efficacy of feed additives against Campylobacter in live broilers during the entire rearing period Open

Muriel Guyard‐Nicodème, Alassane Keïta, Ségolène Quesne, Michel Amelot, Typhaine Poëzévara , et al. · 2015

Poultry meat is the major source of human campylobacteriosis, the most frequently reported zoonosis in the EU. The prevalence of Campylobacter colonization in European broiler flocks is 71%. Despite considerable efforts, there is still no …

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