Approach to determining stage of cycle

Question 1

Describe the difference in uterine and cervical tone in the mare in oestrogen dominated and progesterone dominated stages

Answer 1

Question 2

How is the corpus haemorrhagicum detected in the mare?

Answer 2

Blood clot filled so very echogenic on ultrasound

Question 3

Describe the difference in cervical and uterine tone in the cow when oestrogen or progesterone dominated

Answer 3

Question 4

How is the CL identified in the cow?

Answer 4

visible on ultrasound and palpable into next oestrus period