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Assessing the failure in transfer of passive immunity in beef calves: two case reports

2020Journal article Open access
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dc.contributor.authorSilva, Carolina Balao
dc.contributor.authorCosta, Lina
dc.contributor.authorSantos, Rute
dc.contributor.authorPereira, Luisa
dc.contributor.authorPinto, Henrique
dc.contributor.authorWaap, Helga
dc.date.accessioned2021-02-24T16:20:48Z
dc.date.available2021-02-24T16:20:48Z
dc.date.issued2020
dc.date.updated2021-02-24T16:16:08Z
dc.description.abstractIntroduction: Failure in Transfer of Passive Immunity (FTPI) is a condition that occurs frequently in the bovine species when inadequate ingestion or absorption of enough good-quality colostrum takes place. In bovine kept in extensive conditions, FTPI diagnosis is usually made by complete physical examination, with not enough time for laboratory analysis, and treatment is based on the administration of colostrum replacement products or transfusion. Objectives: To evaluate the transfer of passive immunity in meat calves kept in extensive conditions. Methods: We hereby describe two case reports of calves presenting clinical signs compatible with FTPI and their biochemical analysis, including IgG determination by an ELISA test. Results: The results indicated that both calves presented a very low serum IgG concentration (calf 1: 0.7mg/ml and calf 2: 1mg/ml), confirming FTPI. The animals were treated with a plasma transfusion from a crossbreed cow. At 24 hours after the plasma transfusion, serum IgG concentration raised slightly on both animals, but after 48 hours serum IgG reduced to a concentration similar to the pre-transfusion values. Conclusions: We conclude that plasma transfusion can be an effective treatment for FTPI in clinical cases in extensive conditions but it has to be monitored assuring that serum IgG concentration reaches normal values. Immunological status of donors should be assessed before plasma collection and transfer.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSilva, C. B., Costa, L., Santos, R., Pereira, L., Pinto, H., & Waap, H. (2020). Assessing the Failure in Transfer of Passive Immunity in beef calves: Two case reports. Millenium, 2(12), 97-103. DOI: 10.29352/mill0212.09.00270pt_PT
dc.identifier.doi10.29352/mill0212.09.00270pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.19/6621
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInstituto Politécnico de Viseupt_PT
dc.relation.publisherversionhttps://revistas.rcaap.pt/millenium/article/view/18963pt_PT
dc.subjectfailure in transfer of passive immunitypt_PT
dc.subjectbovinept_PT
dc.subjectimmunoglobulin Gpt_PT
dc.subjectELISApt_PT
dc.titleAssessing the failure in transfer of passive immunity in beef calves: two case reportspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceViseupt_PT
oaire.citation.endPage103pt_PT
oaire.citation.issue12pt_PT
oaire.citation.startPage97pt_PT
oaire.citation.titleMilleniumpt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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RE - Série 2, n.º 12: (2020)