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. 2023 Jun 20;10:1198697. doi: 10.3389/fvets.2023.1198697

Table 2.

Comparison of temperature humidity index thresholds for Holstein cattle.

THI Threshold References
60 (Germany) Brügemann et al. (67)
62 (Luxemburg) Hammami et al. (68)
68 (Arizona, high producing cows over 35 kg/day) Zimbelman et al. (21)
72 (USA) Aguilar et al. (69)
78 (USA subtropical environment) Dikmen and Hansen (70)