Contribution of herd management, biosecurity, and environmental factors to the risk of bovine tuberculosis in a historically low prevalence region

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dc.contributor.authorPozo Piñol, Pilar
dc.contributor.authorIsla, Julio
dc.contributor.authorAsiaín, A.
dc.contributor.authorNavarro, D.
dc.contributor.authorGortázar, Christian
dc.date.accessioned2024-04-23T16:02:19Z
dc.date.available2024-04-23T16:02:19Z
dc.date.issued2024-02-08
dc.descriptionAuthorship contribution statement: P. Pozo: Writing – original draft, Visualization, Methodology, Investigation, Formal analysis, Data curation, Conceptualization, Resources, Validation. J. Isla: Writing – review & editing, Writing – original draft, Validation, Resources, Methodology, Investigation, Formal analysis, Data curation, Conceptualization, Visualization. A. Asiain: Writing – review & editing, Validation. D. Navarro: Writing – review & editing, Validation. C. Gortázar: Writing – review & editing, Writing – original draft, Validation, Supervision, Project administration, Methodology, Investigation, Funding acquisition, Conceptualization.
dc.description.abstractEradication of bovine tuberculosis (bTB) in certain historically low-prevalence regions remains elusive. A complete characterisation of the husbandry practices, biosecurity, and environment where farms are located is crucial to implement targeted in-farm risk mitigation protocols. Here, a detailed survey performed in 94 dairy cattle farms located in Navarra, a low-prevalence region of Spain between 2016 and 2020 was carried out. Data on 73 biosecurity, farm-, and environmental-level factors potentially associated with the risk of bTB occurrence were evaluated using an ordinal logistic regression model: farms were classified based on their prevalence index, a score linked to each farm to account for the severity and recurrence of bTB cases: 22.3% of the farms had a score of 1, 21.3% a score of 2, 26.6% a score of ≥ 3, and 29.8% were negative herds. A statistically significant association between a higher prevalence index and the frequency of badger sightings along with the lease of pastures to sheep during Winter was identified. Farms that detected badgers on a monthly to daily basis in the surroundings and those that leased pastures for sheep flocks during Winter were four [odds ratio, 95% CI (4.3; 1.1–17.5)] and three (3.1; 1.0–9.9) times more likely to have the highest prevalence index, respectively (predicted probabilityprevalence index≥3 = 0.7; 95% CI 0.3–0.9). Conversely, farms that used a vehicle to transport animals from holdings to pastures were less likely (0.1; <0.1–0.3) to present higher levels of prevalence index compared with farms that used none (on foot). Results suggested that the combined effect of farm- and environmental-level risk factors identified here may be hampering disease eradication in Navarra, highlighting the need to implement targeted protocols on farms and grazing plots. An increased awareness of monitoring sheep and wildlife in direct or indirect contact with cattle herds in historically low bTB prevalence areas should be raised.
dc.description.departmentDepto. de Sanidad Animal
dc.description.facultyFac. de Veterinaria
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (España)
dc.description.sponsorshipMinisterio de Ciencia e Innovación (España)
dc.description.statuspub
dc.identifier.doi10.1016/j.animal.2024.101105
dc.identifier.essn1751-732X
dc.identifier.issn1751-7311
dc.identifier.officialurlhttps://doi.org/10.1016/j.animal.2024.101105
dc.identifier.urihttps://hdl.handle.net/20.500.14352/103390
dc.issue.number3
dc.journal.titleAnimal
dc.language.isoeng
dc.page.initial101105
dc.publisherElsevier
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO/Plan NacionalPID2022/141906OBC21
dc.relation.projectIDinfo:eu-repo/grantAgreement/MCIN/10.13039/501100011033
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.cdu636.09
dc.subject.keywordCattle
dc.subject.keywordDairy
dc.subject.keywordEpidemiology
dc.subject.keywordSheep
dc.subject.keywordWildlife
dc.subject.ucmVeterinaria
dc.subject.unesco3109 Ciencias Veterinarias
dc.titleContribution of herd management, biosecurity, and environmental factors to the risk of bovine tuberculosis in a historically low prevalence region
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number18
dspace.entity.typePublication
relation.isAuthorOfPublication5fbdf2d2-69eb-46d3-bfc4-f9ce1c2f17f8
relation.isAuthorOfPublication.latestForDiscovery5fbdf2d2-69eb-46d3-bfc4-f9ce1c2f17f8
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