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Table 2 Changes in PGF metabolite and cortisol levels after induction of parturition by intramuscular injection of dexamethasone to 4 late pregnant heifers.

From: 15-Ketodihydro-PGF, Progesterone and Cortisol Profiles in Heifers after Induction of Parturition by Injection of Dexamethasone

 

PGF2α metabolite

Cortisol

ID

Initial levels pmol/L mean ± SD of the first 10 samples

Levels during luteolysis pmol/L mean (range)

Max values at parturition pmol/L

Basal levels nmol/L mean ± SD

Levels at parturition nmol/L

Ad

322 ± 90

1878 (1134–2689)

13347

7.4 ± 1.4

33.6

B

209 ± 34

2157 (1863–2575)

21206

5.6 ± 1.7

7.8

C

147 ± 13

1323 (883–1856)

16587

7.5 ± 3.0

13.2

Dd

256 ± 18

1762 (1155–2091)

13699

6.3 ± 1.7

65.5

  1. d Retained foetal membranes