Deterioration of eggshell quality in laying hens experimentally infected with H9N2 avian influenza virus
Identifieur interne : 000363 ( Main/Exploration ); précédent : 000362; suivant : 000364Deterioration of eggshell quality in laying hens experimentally infected with H9N2 avian influenza virus
Auteurs : Xuefeng Qi ; Dan Tan ; Chengqi Wu ; Chao Tang ; Tao Li ; Xueying Han ; Jing Wang ; Caihong Liu ; Ruiqiao Li ; Jingyu WangSource :
- Veterinary Research [ 0928-4249 ] ; 2016-12.
Abstract
AbstractThis study aimed to determine the mechanism by which H9N2 avian influenza virus (AIV) affects eggshell quality. Thirty-week-old specific pathogen free egg-laying hens were inoculated with the chicken-origin H9N2 AIV strain (A/Chicken/shaanxi/01/2011) or with inoculating media without virus by combined intraocular and intranasal routes. The time course for the appearance of viral antigen and tissue lesions in the oviduct was coincident with the adverse changes in egg production in the infected hens. The viral loads of AIV have a close correlation with the changes in the uterus CaBP-D28k mRNA expression as well as the Ca concentrations in the eggshells in the infected hens from 1 to 7 days post inoculation (dpi). Ultrastructural examination of eggshells showed significantly decreased shell thickness in the infected hens from 1 to 5 dpi (P < 0.05). Furthermore, obvious changes in the structure of the external shell surface and shell membrane were detected in the infected hens from 1 to 5 dpi as compared with the control hens. In conclusion, this study confirmed that H9N2 AIV strain (A/Chicken/shaanxi/01/2011) infection is associated with severe lesions of the uterus and abnormal expression of CaBP-D28k mRNA in the uteri of the infected hens. The change of CaBP-D28k mRNA expression may contribute to the deterioration of the eggshell quality of the laying hens infected with AIV. It is noteworthy that the pathogenicity of H9N2 AIV strains may vary depending on the virus strain and host preference.
Url:
DOI: 10.1186/s13567-016-0322-4
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Deterioration of eggshell quality in laying hens experimentally infected with H9N2 avian influenza virus</title><author><name sortKey="Qi, Xuefeng" sort="Qi, Xuefeng" uniqKey="Qi X" first="Xuefeng" last="Qi">Xuefeng Qi</name></author><author><name sortKey="Tan, Dan" sort="Tan, Dan" uniqKey="Tan D" first="Dan" last="Tan">Dan Tan</name></author><author><name sortKey="Wu, Chengqi" sort="Wu, Chengqi" uniqKey="Wu C" first="Chengqi" last="Wu">Chengqi Wu</name></author><author><name sortKey="Tang, Chao" sort="Tang, Chao" uniqKey="Tang C" first="Chao" last="Tang">Chao Tang</name></author><author><name sortKey="Li, Tao" sort="Li, Tao" uniqKey="Li T" first="Tao" last="Li">Tao Li</name></author><author><name sortKey="Han, Xueying" sort="Han, Xueying" uniqKey="Han X" first="Xueying" last="Han">Xueying Han</name></author><author><name sortKey="Wang, Jing" sort="Wang, Jing" uniqKey="Wang J" first="Jing" last="Wang">Jing Wang</name></author><author><name sortKey="Liu, Caihong" sort="Liu, Caihong" uniqKey="Liu C" first="Caihong" last="Liu">Caihong Liu</name></author><author><name sortKey="Li, Ruiqiao" sort="Li, Ruiqiao" uniqKey="Li R" first="Ruiqiao" last="Li">Ruiqiao Li</name></author><author><name sortKey="Wang, Jingyu" sort="Wang, Jingyu" uniqKey="Wang J" first="Jingyu" last="Wang">Jingyu Wang</name></author></titleStmt><publicationStmt><idno type="wicri:source">HAL</idno><idno type="RBID">Hal:hal-01341487</idno><idno type="halId">hal-01341487</idno><idno type="halUri">https://hal.archives-ouvertes.fr/hal-01341487</idno><idno type="url">https://hal.archives-ouvertes.fr/hal-01341487</idno><idno type="doi">10.1186/s13567-016-0322-4</idno><date when="2016-12">2016-12</date><idno type="wicri:Area/Hal/Corpus">000052</idno><idno type="wicri:Area/Hal/Curation">000052</idno><idno type="wicri:Area/Hal/Checkpoint">000071</idno><idno type="wicri:explorRef" wicri:stream="Hal" wicri:step="Checkpoint">000071</idno><idno type="wicri:doubleKey">0928-4249:2016:Qi X:deterioration:of:eggshell</idno><idno type="wicri:Area/Main/Merge">000363</idno><idno type="wicri:Area/Main/Curation">000363</idno><idno type="wicri:Area/Main/Exploration">000363</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Deterioration of eggshell quality in laying hens experimentally infected with H9N2 avian influenza virus</title><author><name sortKey="Qi, Xuefeng" sort="Qi, Xuefeng" uniqKey="Qi X" first="Xuefeng" last="Qi">Xuefeng Qi</name></author><author><name sortKey="Tan, Dan" sort="Tan, Dan" uniqKey="Tan D" first="Dan" last="Tan">Dan Tan</name></author><author><name sortKey="Wu, Chengqi" sort="Wu, Chengqi" uniqKey="Wu C" first="Chengqi" last="Wu">Chengqi Wu</name></author><author><name sortKey="Tang, Chao" sort="Tang, Chao" uniqKey="Tang C" first="Chao" last="Tang">Chao Tang</name></author><author><name sortKey="Li, Tao" sort="Li, Tao" uniqKey="Li T" first="Tao" last="Li">Tao Li</name></author><author><name sortKey="Han, Xueying" sort="Han, Xueying" uniqKey="Han X" first="Xueying" last="Han">Xueying Han</name></author><author><name sortKey="Wang, Jing" sort="Wang, Jing" uniqKey="Wang J" first="Jing" last="Wang">Jing Wang</name></author><author><name sortKey="Liu, Caihong" sort="Liu, Caihong" uniqKey="Liu C" first="Caihong" last="Liu">Caihong Liu</name></author><author><name sortKey="Li, Ruiqiao" sort="Li, Ruiqiao" uniqKey="Li R" first="Ruiqiao" last="Li">Ruiqiao Li</name></author><author><name sortKey="Wang, Jingyu" sort="Wang, Jingyu" uniqKey="Wang J" first="Jingyu" last="Wang">Jingyu Wang</name></author></analytic><idno type="DOI">10.1186/s13567-016-0322-4</idno><series><title level="j">Veterinary Research</title><idno type="ISSN">0928-4249</idno><imprint><date type="datePub">2016-12</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"> <p>AbstractThis study aimed to determine the mechanism by which H9N2 avian influenza virus (AIV) affects eggshell quality. Thirty-week-old specific pathogen free egg-laying hens were inoculated with the chicken-origin H9N2 AIV strain (A/Chicken/shaanxi/01/2011) or with inoculating media without virus by combined intraocular and intranasal routes. The time course for the appearance of viral antigen and tissue lesions in the oviduct was coincident with the adverse changes in egg production in the infected hens. The viral loads of AIV have a close correlation with the changes in the uterus CaBP-D28k mRNA expression as well as the Ca concentrations in the eggshells in the infected hens from 1 to 7 days post inoculation (dpi). Ultrastructural examination of eggshells showed significantly decreased shell thickness in the infected hens from 1 to 5 dpi (P < 0.05). Furthermore, obvious changes in the structure of the external shell surface and shell membrane were detected in the infected hens from 1 to 5 dpi as compared with the control hens. In conclusion, this study confirmed that H9N2 AIV strain (A/Chicken/shaanxi/01/2011) infection is associated with severe lesions of the uterus and abnormal expression of CaBP-D28k mRNA in the uteri of the infected hens. The change of CaBP-D28k mRNA expression may contribute to the deterioration of the eggshell quality of the laying hens infected with AIV. It is noteworthy that the pathogenicity of H9N2 AIV strains may vary depending on the virus strain and host preference.</p> </div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Han, Xueying" sort="Han, Xueying" uniqKey="Han X" first="Xueying" last="Han">Xueying Han</name><name sortKey="Li, Ruiqiao" sort="Li, Ruiqiao" uniqKey="Li R" first="Ruiqiao" last="Li">Ruiqiao Li</name><name sortKey="Li, Tao" sort="Li, Tao" uniqKey="Li T" first="Tao" last="Li">Tao Li</name><name sortKey="Liu, Caihong" sort="Liu, Caihong" uniqKey="Liu C" first="Caihong" last="Liu">Caihong Liu</name><name sortKey="Qi, Xuefeng" sort="Qi, Xuefeng" uniqKey="Qi X" first="Xuefeng" last="Qi">Xuefeng Qi</name><name sortKey="Tan, Dan" sort="Tan, Dan" uniqKey="Tan D" first="Dan" last="Tan">Dan Tan</name><name sortKey="Tang, Chao" sort="Tang, Chao" uniqKey="Tang C" first="Chao" last="Tang">Chao Tang</name><name sortKey="Wang, Jing" sort="Wang, Jing" uniqKey="Wang J" first="Jing" last="Wang">Jing Wang</name><name sortKey="Wang, Jingyu" sort="Wang, Jingyu" uniqKey="Wang J" first="Jingyu" last="Wang">Jingyu Wang</name><name sortKey="Wu, Chengqi" sort="Wu, Chengqi" uniqKey="Wu C" first="Chengqi" last="Wu">Chengqi Wu</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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