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Table 1 Summary statistics for semen quality parameters of boars measured in TN and HS periods (2016)

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

72.9 ± 6.3a

88.0 ± 4.0a

90.1 ± 4.5a

2.5 ± 1.0a

3.7 ± 4.9a

Range

63.1–79.4

83.3–92.6

84.4–95.2

1.3–3.8

0.0–10.4

HS

Mean ± SD

83.9 ± 7.2a

86.3 ± 6.1a

90.2 ± 4.1a

2.9 ± 1.0a

1.4 ± 3.3a

Range

75.4–94.3

78.5–93.1

83.5–94.1

2.0–4.1

0.0–8.2

Susceptible (n = 6)

TN

Mean ± SD

82.1 ± 6.8a

91.2 ± 2.3a

86.0 ± 4.8a

6.6 ± 7.5a

11.3 ± 6.6a

Range

71.3–89.4

88.3–94.3

78.2–91.2

0.8–21.4

1.4–21.5

HS

Mean ± SD

64.7 ± 11.8b

78.5 ± 2.7a

79.0 ± 10.6a

12.6 ± 11.5a

27.3 ± 10.5b

Range

44.2–78.3

74.2–82.2

63.4–92.3

1.8–32.9

15.3–46.8

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