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Table 2 Biometry and tissue intensity of the perineal area with different gestational status and postpartum

From: Sonogram of coccygeus muscle in dairy cows with different gestational ages

No Observations View Group P-value
TB (n = 4) B < 1 (n = 3) B2–3 (n = 3) PP* (n = 1)
1 Skin (mm) H 4.6 ± 0.2a 4.7 ± 0.2a 4.6 ± 0.2a 4.7 0.65
   V 3.9 ± 1.1a 4.1 ± 0.3a 4.3 ± 0.2a 5.1 0.80
2 Subcutaneous (mm) H 1.6 ± 0.4a 2.2 ± 0.6a 2.1 ± 0.5a 2.1 0.23
   V 1.8 ± 0.6a 2.4 ± 0.4a 2.3 ± 0.9a 2.1 0.45
3 Muscle (mm) H 19.5 ± 4.4a 19.5 ± 5.3a 22.8 ± 10.4a 21.3 0.79
   V 16.1 ± 4.3a 16.0 ± 1.2a 23.7 ± 5.8a 24.3 0.09
4 Total thickness (mm) H 25.4 ± 3.8a 26.1 ± 6.0a 28.4 ± 10.4a 27.4 0.85
   V 21.8 ± 5.2a 22.8 ± 1.1a 30.2 ± 5.7a 29.8 0.10
5 Muscle intensity (a.u.) H 0.6 ± 0.1a 0.7 ± 0.2a 0.7 ± 0.1a 0.3 0.42
   V 0.6 ± 0.1a 0.7 ± 0.1b 0.6 ± 0.0a 0.4 0.04
  1. Description: The data were presented in the form of means with standard deviation (mean ± SD), different letters of superscript (a,b) on the same line show significant differences (P < 0.05), H = horizontal, V = vertical, TB = non-pregnant, B < 1 = Pregnant less than 1 month, B2–3 = 2–3 months pregnancy, PP = 2 weeks postpartum, *) not included in statistical calculation