Figure 2.

Luteal cross-sectional area and plasma progesterone concentration in cows of group 2. Luteal cross-sectional area in cows of group 2 that responded to PGF administered on day 5 of the oestrous cycle (n = 5, ─□─) and in cows of group 2 that did not respond (n = 3, ─Δ─) and plasma progesterone concentration in responding (n = 7, · □ ·) and non-responding cows of group 2 (n = 3, · Δ ·) from day 2 to day 9 after PGF. * Significant difference between the two groups in their plasma progesterone concentration. °Significant difference between the two groups in their luteal cross-sectional area and plasma progesterone concentration.

Wenzinger and Bleul BMC Veterinary Research 2012 8:220   doi:10.1186/1746-6148-8-220
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