Effects of temperature-humidity index on blood metabolites of German dairy cows and their female calves

Effects of temperature-humidity index on blood metabolites of German dairy cows and their female calves

Heat stress (HS) impairs productivity, health, and welfare in dairy cows, and additionally causes metabolic changes. Hence, specific metabolites could be used as HS biomarkers. Consequently, the aim of the present study was to compare blood metabolite concentrations of German Holstein dairy cows and...

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Veröffentlicht in:Journal of dairy science 2023-10, Vol.106 (10), p.7281-7294
Hauptverfasser: Halli, K., Cohrs, I., Brügemann, K., Koch, C., König, S.
Format: Artikel
Sprache:eng
Schlagworte:
calves
dairy cows
plasma metabolome
thermal stress
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Zusammenfassung:Heat stress (HS) impairs productivity, health, and welfare in dairy cows, and additionally causes metabolic changes. Hence, specific metabolites could be used as HS biomarkers. Consequently, the aim of the present study was to compare blood metabolite concentrations of German Holstein dairy cows and of their female calves suffering from high temperature-humidity index (THI) during late gestation (cows) or during their first week of life (calves) or not. According to the mean daily THI (mTHI) at the day before blood sampling, animals were classified into 2 groups: high mTHI ≥60 (hmTHI) and low mTHI
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.2022-22890