Comparison of electrolyte and acid-base balances of Dorper breed ewes between single and twin pregnancies

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dc.contributor.authorSantarosa, Bianca P. [UNESP]
dc.contributor.authorDantas, Gabriela N. [UNESP]
dc.contributor.authorFerreira, Danilo O.L.
dc.contributor.authorCarvalho, Marina G. [UNESP]
dc.contributor.authorRodrigues, Mirian
dc.contributor.authorPereira, Priscilla F.V.
dc.contributor.authorSilva, Andreza A.
dc.contributor.authorGonçalves, Roberto C. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCasada Agricultura de Agudos
dc.contributor.institutionCidade Universitária
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.contributor.institutionUniversidade Federal Rural do Rio de Janeiro (UFRRJ)
dc.date.accessioned2020-12-12T01:48:54Z
dc.date.available2020-12-12T01:48:54Z
dc.date.issued2019-01-01
dc.description.abstractDuring pregnancy there are modifications in the metabolic profile of sheep that may predispose to the occurrence of metabolic disorders, of which pregnancy toxaemia (PT) is highlighted. Blood gas analysis is detects changes in acid-base and electrolyte balance effectively. The objectives of this study were to study the acid-base and electrolyte balance of sheep during gestation and in the immediate peripartum (up to 48 hours postpartum), comparing single gestation with twins. Sixty healthy sheep of Dorper breed, two to five years old were raised in a semi-intensive system and were divided in two experimental groups: Group 1: 30 ewes, with ultrasonographic diagnosis of single fetus gestation; Group 2: 30 ewes, with ultrasonographic diagnosis of twin pregnancy. The experimental moments were defined as: MI-immediately after artificial insemination (control); MG30 - 30 days of gestation; MG90 - 90 days of gestation; MG120 - 120 days of gestation; MG130 - 130 days of gestation; MG140 - 140 days of gestation; MP - lambing; MPP1 - 24h postpartum; MPP2 - 48h postpartum. At all times 1mL of blood was collected per jugular vein puncture for blood gas evaluation in a portable equipament (I-Stat). The pH, carbon dioxide pressure (PCO2), bicarbonate (HCO3 –), base excess (BE), sodium (Na+), potassium (K+), chloride (Cl–), ionized calcium (Ca+2), lactate, anion gap (AG) were mensured and strong ion difference (SID) were calculed. This work showed that there were changes in acid-base and electrolyte balance in pregnant ewes, due to the decrease in BE, HCO3 –, TCO2 and increase of lactate and AG during gestation, but the pH remained normal and did not present any difference among moments in both groups. Comparing the groups, single-gestation ewes presented higher alkaline expenditure at delivery than twin-gestation, evidenced by lower levels of BE and HCO3 –. Lower Na+ levels were observed in prepartum; drop in K+ values with advancing gestation; hyperchloremia and hypocalcemia during gestation according to the reference standards for species; decreased iCa+2 levels in the final third of gestation in both groups. It was concluded that the ewes of this study were healthy until the last moment analyzed (48h postpartum), although have shown greater consumption of the alkaline reserve in the peripartum, being more explicit in the single gestation animals. In addition, this situation can be physiological and result in increased energy demand during gestation, more exacerbated by peripartum.en
dc.description.affiliationDepartamento de Clínica Veterinária Faculdade de Medicina Veterinária e Zootecnia (FMVZ) Universidade Estadual Paulista (Unesp) Campus de Botucatu Distrito de Rubião Júnior
dc.description.affiliationSecretaria da Agricultura e Abastecimento do estado de São Paulo Coordenadoria de Assistência Técnica Integral Casada Agricultura de Agudos, Rua Odom Pessoa de Albuquerque 788, Centro
dc.description.affiliationUniversidade do Oeste Paulista (Unoeste) Cidade Universitária, Rua José Bongiovani 700
dc.description.affiliationDepartamento de Clínicas Veterinárias Centro de Ciências Agrárias Universidade Estadual de Londrina (UEL) Campus Universitário, Rodovia Celso Garcia Cid PR-445 Km 380, Cx. Postal 10.011
dc.description.affiliationDepartamento de Medicina e Cirurgia Veterinária Universidade Federal Rural do Rio de Janeiro (UFRRJ) Campus Seropédica, Rodovia BR-465 Km 7
dc.description.affiliationUnespDepartamento de Clínica Veterinária Faculdade de Medicina Veterinária e Zootecnia (FMVZ) Universidade Estadual Paulista (Unesp) Campus de Botucatu Distrito de Rubião Júnior
dc.description.sponsorshipInnovative Research Group Project of the National Natural Science Foundation of China
dc.description.sponsorshipIdInnovative Research Group Project of the National Natural Science Foundation of China: 2015/08714-8
dc.format.extent789-795
dc.identifierhttp://dx.doi.org/10.1590/1678-5150-PVB-5952
dc.identifier.citationPesquisa Veterinaria Brasileira, v. 39, n. 10, p. 789-795, 2019.
dc.identifier.doi10.1590/1678-5150-PVB-5952
dc.identifier.fileS0100-736X2019001000789.pdf
dc.identifier.issn1678-5150
dc.identifier.issn0100-736X
dc.identifier.scieloS0100-736X2019001000789
dc.identifier.scopus2-s2.0-85076109036
dc.identifier.urihttp://hdl.handle.net/11449/199771
dc.language.isoeng
dc.relation.ispartofPesquisa Veterinaria Brasileira
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAcid-base
dc.subjectBlood gas analysis
dc.subjectDorper breed
dc.subjectElectrolyte
dc.subjectEwes
dc.subjectMetabolic diseases
dc.subjectOvine
dc.subjectPregnancy
dc.subjectSheep
dc.subjectSmall ruminants
dc.subjectTwin pregnancies
dc.titleComparison of electrolyte and acid-base balances of Dorper breed ewes between single and twin pregnanciesen
dc.typeArtigo

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