2017
DOI: 10.1590/s1519-99402017000300004
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Accuracy of two hand-held electronic devices for determination of blood β-hydroxybutyrate in dairy cows

Abstract: SUMMARY The cowside determination of blood β-hydroxybutyrate (BHB) is an important tool for diagnosing subclinical ketosis in dairy cattle. Portable methods to measure BHB have been introduced in the past years. This study evaluated the accuracy of two hand-held electronic devices for blood determination of BHB in dairy cows at early postpartum. A total of 98 blood samples were collected from dairy cows in the first month of lactation and tested with FreeStyle Optium (FSO, Abbott) and KetoVet (KVE, TaiDoc) por… Show more

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Cited by 11 publications
(10 citation statements)
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“…The BHB concentration in blood was measured immediately after blood sampling, using a handheld device (FreeStyle Optium Blood Glucose and Ketone Monitoring System, Abbott Diabetes Care Ltd., Maidenhead, Berkshire, UK), as per the manufacturer's instructions. This handheld device has been recently validated previously for use on dairy cows and is known to provide very accurate results (Fiorentin et al, 2017). All blood samples were collected at approximately the same time of the day (0700 h; before the AM milking and before a fresh allocation of pasture and supplementary feed were offered), between June and October 2016.…”
Section: Animals and Reference Analysismentioning
confidence: 99%
“…The BHB concentration in blood was measured immediately after blood sampling, using a handheld device (FreeStyle Optium Blood Glucose and Ketone Monitoring System, Abbott Diabetes Care Ltd., Maidenhead, Berkshire, UK), as per the manufacturer's instructions. This handheld device has been recently validated previously for use on dairy cows and is known to provide very accurate results (Fiorentin et al, 2017). All blood samples were collected at approximately the same time of the day (0700 h; before the AM milking and before a fresh allocation of pasture and supplementary feed were offered), between June and October 2016.…”
Section: Animals and Reference Analysismentioning
confidence: 99%
“…Neste estudo, no período pré-parto nenhum animal foi verificado com níveis superiores a 1,2 mmol/L, já no período pós parto 8 animais do sistema à pasto e 2 do sistema confinado apresentaram índices superiores compatíveis com cetose subclínica, ou seja, 47% dos animais do sistema à pasto e apenas 11% do sistema confinado. Estudos realizados por Fiorentin et al (2017) demonstraram que o dosímetro portátil Optium XCeed ® foi capaz de fornecer resultados rápidos e de boa eficácia na detecção dos teores de Betahidroxibutirato no sangue e após, Souza & Souza (2015) comprovaram que o dosímetro ketovet ® desenvolvido especificamente para bovinos foi capaz de fornecer resultados rápidos e de boa eficácia na detecção dos teores de Betahidroxibutirato no sangue. Este estudo ao comparar ambos os dosímetros portáteis pré e pós-parto não houve diferença significativa, mostrando que ambos os dosímetros são eficientes na detecção da cetose bovina (Tabela 6), independente do período avaliado.…”
Section: Resultsunclassified
“…Glucose (catalog n. 113; wave-length 505 nm), triglycerides (catalog n. 87; wave-length 505 nm), and total cholesterol (catalog n. 76; wave-length 500 nm) were assayed colorimetrically (Kasuaki IL-120 UV-Vis Spectrophotometer) using Labtest kits ( Labtest, 2022 ). β-hydroxybutyrate was quantified using a FreeStyle Optium (FSO, Abbott) portable device, following validation for non-human vertebrates ( Fiorentin et al, 2017 ; Ribeiro et al, 2021 ). All assays were carried out strictly following the manufacturer’s instructions and with previously sterilized material to avoid contamination.…”
Section: Methodsmentioning
confidence: 99%