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Table 3 Farm parameters and progesterone concentration (Mean ± SD)

From: Determination of puberty in gilts: contrast of diagnostic methods

Traits

PRE (n = 24)

PUB (n = 46)

P Value

Vaginal length (cm)

21.75 ± 3.848

27.35 ± 5.435

0.003

Body condition (1–5 pts)

3.13 ± 0.338

3.43 ± 0.501

 < 0.001

Backfat (mm)

6.46 ± 1.931

9.50 ± 2.469

 < 0.001

Live weight (kg)

130.24 ± 21.693

150.16 ± 20.970

 < 0.001

P4 (ngmL−1)

0.84 ± 0.414

29.10 ± 27.941

 < 0.001