Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only
Sheep health management strategies often include the use of aluminum (Al)-containing vaccines. These products were associated with the appearance of the ovine autoimmune/inflammatory syndrome induced by adjuvants (ASIA syndrome), which included an array of ethological changes in the affected animals. The aim of this pilot study was to investigate cognitive and behavioral changes in sheep subjected to a protocol of repetitive inoculation with Al-containing products. Twenty-one lambs were assigned to three groups (n = 7 each): Control, Adjuvant-only, and Vaccine. Vaccine group was inoculated with commercial Al- hydroxide containing vaccines; Adjuvant-only group received the equivalent dose of Al only (Alhydrogel®), and Control group received Phosphate-buffered saline. Sixteen inoculations were administered within a 349-day period. Ethological changes were studied in late summer (7 inoculations) and mid-winter (16 inoculations). Animals in Vaccine and Adjuvant-only groups exhibited individual and social behavioral changes. Affiliative interactions were significantly reduced, and aggressive interactions and stereotypies increased significantly. They also exhibited a significant increase in excitatory behavior and compulsive eating. There were increased levels of stress biomarkers in these two groups. In general, changes were more pronounced in the Vaccine group than they were in the Adjuvant-only group. Some changes were already significant in summer, after seven inoculations only. This study is the first to describe behavioral changes in sheep after having received repetitive injections of Al-containing products, and may explain some of the clinical signs observed in ovine ASIA syndrome.
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Elsevier BV
2020-02
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Subjects: | Aluminum, Vaccine, Sheep, Behaviour, Ovine ASIA syndrome, |
Online Access: | http://hdl.handle.net/10261/227809 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100003176 |
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Aluminum Vaccine Sheep Behaviour Ovine ASIA syndrome Aluminum Vaccine Sheep Behaviour Ovine ASIA syndrome |
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Aluminum Vaccine Sheep Behaviour Ovine ASIA syndrome Aluminum Vaccine Sheep Behaviour Ovine ASIA syndrome Asín, Javier Pascual-Alonso, M. Pinczowski, Pedro Gimeno, Marina Pérez, Marta M. Muniesa, Ana Pablo, Lorena de Blas, Ignacio de Lacasta, Delia Fernández, Antonio Andrés, Damián F. de Reina, Ramsés Luján, Lluís Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
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Sheep health management strategies often include the use of aluminum (Al)-containing vaccines. These products were associated with the appearance of the ovine autoimmune/inflammatory syndrome induced by adjuvants (ASIA syndrome), which included an array of ethological changes in the affected animals. The aim of this pilot study was to investigate cognitive and behavioral changes in sheep subjected to a protocol of repetitive inoculation with Al-containing products. Twenty-one lambs were assigned to three groups (n = 7 each): Control, Adjuvant-only, and Vaccine. Vaccine group was inoculated with commercial Al- hydroxide containing vaccines; Adjuvant-only group received the equivalent dose of Al only (Alhydrogel®), and Control group received Phosphate-buffered saline. Sixteen inoculations were administered within a 349-day period. Ethological changes were studied in late summer (7 inoculations) and mid-winter (16 inoculations). Animals in Vaccine and Adjuvant-only groups exhibited individual and social behavioral changes. Affiliative interactions were significantly reduced, and aggressive interactions and stereotypies increased significantly. They also exhibited a significant increase in excitatory behavior and compulsive eating. There were increased levels of stress biomarkers in these two groups. In general, changes were more pronounced in the Vaccine group than they were in the Adjuvant-only group. Some changes were already significant in summer, after seven inoculations only. This study is the first to describe behavioral changes in sheep after having received repetitive injections of Al-containing products, and may explain some of the clinical signs observed in ovine ASIA syndrome. |
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Ministerio de Educación, Cultura y Deporte (España) |
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Ministerio de Educación, Cultura y Deporte (España) Asín, Javier Pascual-Alonso, M. Pinczowski, Pedro Gimeno, Marina Pérez, Marta M. Muniesa, Ana Pablo, Lorena de Blas, Ignacio de Lacasta, Delia Fernández, Antonio Andrés, Damián F. de Reina, Ramsés Luján, Lluís |
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artículo |
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Aluminum Vaccine Sheep Behaviour Ovine ASIA syndrome |
author |
Asín, Javier Pascual-Alonso, M. Pinczowski, Pedro Gimeno, Marina Pérez, Marta M. Muniesa, Ana Pablo, Lorena de Blas, Ignacio de Lacasta, Delia Fernández, Antonio Andrés, Damián F. de Reina, Ramsés Luján, Lluís |
author_sort |
Asín, Javier |
title |
Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
title_short |
Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
title_full |
Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
title_fullStr |
Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
title_full_unstemmed |
Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
title_sort |
cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only |
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Elsevier BV |
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2020-02 |
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http://hdl.handle.net/10261/227809 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100003176 |
work_keys_str_mv |
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dig-idab-es-10261-2278092021-01-29T05:04:56Z Cognition and behavior in sheep repetitively inoculated with aluminum adjuvant-containing vaccines or aluminum adjuvant only Asín, Javier Pascual-Alonso, M. Pinczowski, Pedro Gimeno, Marina Pérez, Marta M. Muniesa, Ana Pablo, Lorena de Blas, Ignacio de Lacasta, Delia Fernández, Antonio Andrés, Damián F. de Reina, Ramsés Luján, Lluís Ministerio de Educación, Cultura y Deporte (España) Ministerio de Economía y Competitividad (España) Ministerio de Ciencia, Innovación y Universidades (España) Agencia Estatal de Investigación (España) Aluminum Vaccine Sheep Behaviour Ovine ASIA syndrome Sheep health management strategies often include the use of aluminum (Al)-containing vaccines. These products were associated with the appearance of the ovine autoimmune/inflammatory syndrome induced by adjuvants (ASIA syndrome), which included an array of ethological changes in the affected animals. The aim of this pilot study was to investigate cognitive and behavioral changes in sheep subjected to a protocol of repetitive inoculation with Al-containing products. Twenty-one lambs were assigned to three groups (n = 7 each): Control, Adjuvant-only, and Vaccine. Vaccine group was inoculated with commercial Al- hydroxide containing vaccines; Adjuvant-only group received the equivalent dose of Al only (Alhydrogel®), and Control group received Phosphate-buffered saline. Sixteen inoculations were administered within a 349-day period. Ethological changes were studied in late summer (7 inoculations) and mid-winter (16 inoculations). Animals in Vaccine and Adjuvant-only groups exhibited individual and social behavioral changes. Affiliative interactions were significantly reduced, and aggressive interactions and stereotypies increased significantly. They also exhibited a significant increase in excitatory behavior and compulsive eating. There were increased levels of stress biomarkers in these two groups. In general, changes were more pronounced in the Vaccine group than they were in the Adjuvant-only group. Some changes were already significant in summer, after seven inoculations only. This study is the first to describe behavioral changes in sheep after having received repetitive injections of Al-containing products, and may explain some of the clinical signs observed in ovine ASIA syndrome. J. Asín was a PhD student funded by the Ministry of Education, Culture and Sports (MECD). R. Reina was supported by a “Ramón y Cajal” contract from the Spanish Ministry of Economy, Industry and Competitiveness. This work was funded by several grants from the Spanish Ministry of Economy, Industry and Competitiveness (AGL2013-49137-C3-1-R and AGL2013-49137-C3-2-R) and the Ministry of Science, Innovation and Universities (RTI2018-096172-B-C31 and RTI2018-096172-B-C33). 2021-01-28T12:30:03Z 2021-01-28T12:30:03Z 2020-02 2021-01-28T12:30:06Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.jinorgbio.2019.110934 issn: 0162-0134 Journal of Inorganic Biochemistry 203: 110934 (2020) http://hdl.handle.net/10261/227809 10.1016/j.jinorgbio.2019.110934 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100003176 #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2013-49137-C3-1-R info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2013-49137-C3-2-R info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/RTI2018-096172-B-C31 info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/RTI2018-096172-B-C33 RTI2018-096172-B-C31/AEI/10.13039/501100011033 RTI2018-096172-B-C33/AEI/10.13039/501100011033 http://dx.doi.org/10.1016/j.jinorgbio.2019.110934 Sí none Elsevier BV |