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Table 3 Average number of RFID pings per day (mean ± standard error) by sire breed and sire breed-sex for each temperature-humidity index (THI) category

From: Genome-wide association of changes in swine feeding behaviour due to heat stress

Breed

Sex

Normal × < 23.33 °C

Alert 23.33 ≤ × < 26.11 °C

Danger 26.11 ≤ × < 28.88 °C

Emergency × ≥ 28.88 °C

Duroc

 

All

153.4 ± 0.5

168.9 ± 0.9

172.7 ± 1.1

182.6 ± 3.0

 

Number

309

156

155

152

 

Barrow

154.8 ± 0.7

179.0 ± 1.4

183.5 ± 1.7

194.3 ± 4.4

 

Number

155

78

78

75

 

Gilt

152.0 ± 0.6

159.1 ± 1.2

162.1 ± 1.4

171.1 ± 4.0

 

Number

154

78

77

77

Yorkshire

 

All

140.9 ± 0.4

145.3 ± 0.7

150.0 ± 0.9

157.8 ± 3.1

 

Number

553

397

387

256

 

Barrow

156.5 ± 0.7

160.5 ± 1.3

170.7 ± 1.6

188.4 ± 4.7

 

Number

214

138

137

84

 

Gilt

130.9 ± 0.5

135.5 ± 0.8

137.5 ± 1.0

137.2 ± 3.6

 

Number

339

259

250

172

Landrace

 

All

134.3 ± 0.3

122.5 ± 0.6

108.5 ± 0.7

65.8 ± 1.0

 

Number

786

392

396

390

 

Barrow

140.3 ± 0.4

131.7 ± 0.9

118.0 ± 1.1

71.2 ± 1.7

 

Number

358

160

161

159

 

Gilt

129.3 ± 0.3

115.6 ± 0.7

101.7 ± 0.8

62.4 ± 1.1

 

Number

428

232

235

231