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Tierarztl Prax Ausg G Grosstiere Nutztiere 2020; 48(04): 262-267
DOI: 10.1055/a-1197-5339
Übersichtsartikel

Messung der Körpertemperatur beim Rind – eine altbewährte Methode kritisch hinterfragt

Taking body temperature in cattle – critical evaluation of an established diagnostic test
Carola Fischer-Tenhagen
Tierklinik für Fortpflanzung, Fachbereich Veterinärmedizin, Freie Universität Berlin, Berlin
,
Sebastian P. Arlt
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Zusammenfassung

Die Messung der Körperkerntemperatur ist ein essenzieller Bestandteil der klinischen Untersuchung des Rindes. Neben dem Einsatz zur Diagnostik von Erkrankungen wurde die Erfassung der Temperatur in der Praxis und in wissenschaftlichen Studien zur Ermittlung des Östrus, der Vorhersage des Kalbebeginns und zur Erkennung von Hitzestress verwendet. Anhand einer systematischen Literaturübersicht gibt dieser Artikel einen Überblick über die Eignung verschiedener Temperaturmessverfahren, wie die rektale Messung, das Einlegen von Temperaturloggern in Vagina und Pansen, die Milchtemperaturmessung und die Messung der Körperoberflächentemperatur. Auch wenn die Messung der Körpertemperatur eine viel genutzte und anerkannte diagnostische Methode ist, zeigt ein genauerer Blick auf die hier zusammengestellten Studien, dass es vielfältige Einflussfaktoren auf die Messergebnisse gibt. Die Varianzen der einzelnen Methoden bekräftigen, dass neu entwickelte Methoden immer kritisch hinterfragt und evaluiert werden müssen. Bezogen auf konkrete Grenzwerte, beispielsweise der Definition, dass ab 39,5°C Fieber vorliegt, kommt der Messgenauigkeit eine hohe Bedeutung zu, da die ermittelte Körpertemperatur einen großen Einfluss auf tierärztliche Therapieentscheidungen hat.

Abstract

Measuring the body temperature is an essential component of the clinical examination of bovines. Next to its value for the diagnosis of diseases, body temperature also is an important value in clinical studies concerning estrus detection, calving time point prediction, or the evaluation of heat stress. This systematic review critically evaluates different methods of measuring bovine body temperature including rectal measurement, vaginal or ruminal temperature loggers, milk temperature, and infrared body surface thermography. Although body temperature measurement is a commonly employed and established diagnostic test, a close look at scientific studies displays multiple factors influencing body temperature data. The variability of results emphasizes the relevance of critically evaluating new measuring methods before introducing them into research or routine practice. Especially in terms of identifying specific cut-off values, i. e. for fever defined as body temperature > 39.5°C, the precision of the method is of importance, as the acquired values possess a high degree of influence on the veterinary decision taking process.

Schlüsselwörter

Fiebermessen - Therapieentscheidung - Messmethode - Kuh

Key words

Fever - decision taking - diagnostic test - cow


Publication History

Received: 14 April 2020

Accepted: 29 April 2020

Article published online:
21 August 2020

© Georg Thieme Verlag KG
Stuttgart · New York

 

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