. 2017 May 2;7(5):37. doi: 10.3390/ani7050037

Table 3.

Meteorological attributes and THI calculations for control treatments and air-conditioned dairy barns.

Reference	Location	Breed	System	T_db	RH	THI ¹
Reference	Location	Breed	System	(°C)	(%)	THI ¹
Bucklin et al. [32]	Florida, US	Holstein	Outside	27.7	70.0	77.9
Bucklin et al. [32]	Florida, US	Holstein	Air-conditioned barn	22.0	85.0	70.5
Hahn et al. [52]—Year 1	Missouri, US	Holstein	Dry lot	25.9	66.9	74.9
Hahn et al. [52]—Year 1	Missouri, US	Holstein	Air-conditioned barn	23.4	65.2	71.0
Hahn et al. [52]—Year 2	Missouri, US	Holstein	Dry lot	23.4	73.8	71.8
Hahn et al. [52]—Year 2	Missouri, US	Holstein	Air-conditioned barn	23.2	67.0	70.9

Abbreviations: T_db = dry-bulb temperature, RH = relative humidity, THI = temperature-humidity index; ¹ Calculated from Schüller et al. [44]: THI = (1.8T_db + 32) − [(0.55 − 0.0055RH)(1.8T_db − 26)].