Table 2 Respiratory rate (breath/min) of heat-stressed bucks administered ascorbic acid and sodium bicarbonate and their combination

4

8am

4pm

Daily

91.78 ± 7.91^b

105.96 ± 8.05^b

98.87 ± 7.53^b

96.37 ± 7.62^a

112.56 ± 9.18^a

104.46 ± 8.05^a

96.43 ± 9.12^a

108.45 ± 14.75^b

100.94 ± 11.36^a

96.50 ± 12.61^a

111.30 ± 13.02^a

108.90 ± 11.50^a

5

8am

4pm

Daily

77.48 ± 11.22^b

96.68 ± 8.32^b

87.08 ± 3.85^c

93.55 ± 7.36^a

111.53 ± 9.79^a

102.54 ± 5.70^b

92.71 ± 7.38^a

116.56 ± 6.91^a

116.56 ± 6.91^a

92.50 ± 8.80^a

117.31 ± 11.12^a

102.40 ± 5.23^b

6

8am

4pm

Daily

99.20 ± 7.31^b

113.96 ± 6.72^b

106.58 ± 6.17^b

105.98 ± 5.89^a

119.26 ± 5.38^a

112.62 ± 4.45^a

109.75 ± 6.54^a

123.90 ± 7.61^a

116.82 ± 6.73^a

105.24 ± 6.99^a

121.61 ± 4.87^a

113.42 ± 4.62^a

7

8am

4pm

Daily

104.46 ± 2.29

125.26 ± 5.07

114.86 ± 2.83

106.22 ± 5.97

126.73 ± 7.33

116.47 ± 4.80

110.80 ± 6.82

125.05 ± 8.46

117.92 ± 3.35

108.02 ± 7.49

127.05 ± 5.83

117.54 ± 5.66

8

8am

4pm

Daily

102.20 ± 5.34^a

120.42 ± 5.15^b

111.31 ± 5.03^b

106.37 ± 8.89^a 143.73 ± 16.77^a

125.05 ± 12.34^a

96.30 ± 40.36^b

123.66 ± 9.69^b

109.98 ± 17.92^b

108.62 ± 9.94^a

122.11 ± 7.81^b

115.37 ± 6.19^b

9

8am

4pm

Daily

103.90 ± 6.32^b

120.04 ± 5.37^a

111.97 ± 3.45

105.05 ± 8.82^b

119.96 ± 10.74^b

112.50 ± 9.09

112.76 ± 12.65^a

112.76 ± 12.65^b

106.99 ± 6.99

99.52 ± 6.24^c

122.70 ± 6.36^a

111.11 ± 4.09

10

8am

4pm

Daily

108.88 ± 12.15

125.18 ± 7.59^a

125.03 ± 8.70^a

111.26 ± 7.66

121.11 ± 4.04^b

116.19 ± 7.16^b

106.15 ± 8.40

121.41 ± 4.74^b

114.28 ± 5.58^b

108.68 ± 5.10

121.77 ± 4.76^b

116.22 ± 5.41^b

11

8am

4pm

Daily

98.22 ± 7.24

113.26 ± 8.09^b

105.74 ± 7.49^b

104.73 ± 5.93

120.16 ± 6.53^a

112.45 ± 5.98^a

106.60 ± 4.37

122.70 ± 6.55^a

114.65 ± 4.13^a

108.74 ± 4.86

127.40 ± 9.26^a

118.07 ± 6.52^a