Table 1: Baseline characteristics.

Group 1 (Sham procedure)Group 2 (3 cm, 6 h/d)Group 3 (10 cm, 18 h/d)Group 4 (3 cm, 18 h/d)-value

Body weight, initial (mean ± SD), gm
Body weight, final (mean ± SD), gm
Weight gain (mean ± SD), gm
Rectal temperature, initial (mean ± SD), °C
Rectal temperature, final (mean ± SD), °C
Food intake (mean), gm
Testis weight, gm

Group 1—Sham procedure group; Group 2—3 cm distance + 6 h exposure daily; Group 3—10 cm distance + 18 h exposure daily; and Group 4—3 cm distance + 18 h exposure daily.