The effective temperature could be expressed by RR or RT as follows:RR=0.1DBT+0.9WBT, RT=0.34 DBT+0.66WBT. This indicated that WBT had more important effect on RR or RT, and the coefficient of WBT for high yield dairy cows should be improved.

• 以RR为指标的体感温度为：RR=0.；1DBT+0