Table 2. Features of the corpus luteum (CL) and plasma progesterone (P4) concentrations in groups divided according to BFA tertiles on Day 7.
| Item | BFA |
|||
|---|---|---|---|---|
| 1st tertile | 2nd tertile | 3rd tertile | ||
| All (n = 90) | (n = 30) | (n = 30) | (n = 30) | |
| CL area (mm2) | 356.52 (250.79–559.89) | 354.84 (250.79–508.44) | 358.03 (266.03–559.89) | 357.90 (262.56–513.40) |
| CCA (mm2) 1) | 22.64 (2.96–194.91) | 22.79 (6.65–178.91) | 28.14 (2.96–194.91) | 22.49 (4.02–122.17) |
| CL tissue area (mm2) | 333.70 (207.40–513.40) | 316.35 (235.67–440.22) | 331.59 (207.40–473.31) | 343.50 (238.26–513.40) |
| BFA (mm2) | 61.44 (26.79–124.81) | 42.08 (26.79–51.29) | 61.44 (52.71–70.34) | 81.02(70.74–124.81) |
| Plasma P4 concentrations (ng/ml) | 2.42 (1.25–4.99) | 2.31 (1.25–4.39) | 2.38 (1.39–4.99) | 2.48 (1.28–4.28) |
All the data are represented as medians with ranges. BFA, blood flow area; CCA, central cavity area. 1) Median number of cows with a central cavity in each group (all, n = 60; 1st tertile, n = 17; 2nd tertile, n = 24; 3rd tertile, n = 19).