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Table 1 Summary of experimental mares.

From: Steroid hormone receptors ERα and PR characterised by immunohistochemistry in the mare adrenal gland

ID

Reproductive status

Additional treatment

Plasma progesterone

(nmol/l)

Plasma oestradiol

(pmol/l)

Evaluation

of ovaries

526

Intact

-oestrus

None

0.5

16.0

3.5 cm follicle

478

Intact

- metoestrus

None

2.7

9.0

Cavitated CL;

follicles ≤ 1.5 cm

453

Intact

-early dioestrus

None

12.0

7.0

CH

464

Intact

-early dioestrus

None

18.9

15.0

CH

502

Intact

- dioestrus

None

24.6

13.0

CL; 2.5 cm follicle

740

OVX

None

< 0.1

2.0

---

744

OVX

None

< 0.1

6.0

---

741

OVX+Oe

Oestradiol*

20 h before euthanasia

< 0.1

43.0

---

742

OVX+Oe

Oestradiol*

22 h before euthanasia

< 0.1

35.0

---

743

OVX+Oe

Oestradiol*

18 h before euthanasia

< 0.1

59.0

---

  1. * Oestradiol benzoate (2.5 mg i.m.); OVX: ovariectomised; OVX+Oe: ovariectomised with oestradiol benzoate treatment; CH: corpus haemorrhagicum; CL: corpus luteum.