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Table 2 Summary statistics for semen quality parameters of boars measured in TN and HS periods (2017)

From: Transcriptome analysis identifies genes and co-expression networks underlying heat tolerance in pigs

Phenotype

Period

Statistics

Semen Quality Parameters1

Total Sperm

(billion)

Motility

(%)

Normal Morphology

(%)

Droplets

(%)

Rejected Ejaculate

(%)

Tolerant (n = 6)

TN

Mean ± SD

69.9 ± 12.1a

88.6 ± 4.5a

96.3 ± 0.6a

2.5 ± 1.0a

5.8 ± 6.8a

Range

53.4–85.9

83.3–93.3

95.6–97.0

1.4–3.6

0.0–15.0

HS

Mean ± SD

86.3 ± 14.5b

89.1 ± 7.5a

90.0 ± 3.7a

6.1 ± 2.9a

1.3 ± 3.3a

Range

67.6–107.6

74.5–95.1

85.0–94.2

2.9–10.3

0.0–8.0

Susceptible (n = 6)

TN

Mean ± SD

87.6 ± 13.7a

92.2 ± 2.8a

86.5 ± 12.0a

8.1 ± 12.2a

23.0 ± 23.3a

Range

74.3–111.4

88.6–95.9

63.3–97.6

0.8–32.8

0.0–67.0

HS

Mean ± SD

71.0 ± 15.8b

82.8 ± 2.5a

88.9 ± 12.1a

9.0 ± 10.9a

32.3 ± 24.6b

Range

40.1–81.9

79.2–85.7

73.2–98.0

1.3–24.2

15.0–81.0

  1. 1Means followed by different letters are significantly different (P < 0.05)