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Table 1 Mean (± SE), maximum, and minimum values of body temperature (T), heart rate (HR), and heart rate variability indices (SDNN and RMSSD) in four Lidia cows based on data collected by subcutaneous biologgers throughout a 10-day monitoring period under natural summer conditions

From: Biologger-based monitoring of body temperature, heart rate, and heart rate variability in Lidia cattle: relationships with environmental conditions

Variable

Mean

Max (day / time)

Min (day / time)

Body T (°C)

37.54 ± 0.01

38.93 °C 19 − 6 / 17:40

33.87 °C 27 − 6 / 07:44

HR (bpm)

63.95 ± 0.08

100 bpm 19 − 6 / 01:30

41 bpm 26 − 6 / 10:52

SDNN (ms)

16.31 ± 0.07

44.42 ms 25 − 6 / 02:10

1.92 ms 18 − 6 / 14:35

RMSSD (ms)

16.53 ± 0.08

48.09 ms 25 − 6 / 09:24

2.10 ms 18 − 6 / 21:10

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