Rectal Examination

Question 1

Horse

Important points for rectal exam

Answer 1

Rectal lining very delicate, prone to tears
Gloved arm, lots of lube
Coned hand, go slow
When feel a contraction remove hand
May need to remove faeces

Question 2

Horse ovaries

Answer 2

Kidney bean shaped
Anestrous 2-3cm
Oestrus 6-10cm
Can palpate follicles but not CL
Follicles will ovulate around 35mm

Question 3

Cow

Intercornual ligaments

Answer 3

Feel for intercornual ligaments
Dorsal, very friable and can break easily, use this to feel for
Ventral, use to pull uterine horns up into pelvis

Question 4

What age can cow be pregnancy diagnosed?

Answer 4

35 day post AI

Question 5

6 weeks

Answer 5

Pregnant horn fluid filled 2” diameter
Non pregnant horn thick walled
Membrane slip

Question 6

7 weeks

Answer 6

Pregnant horn fluid filled 3” diameter

Non pregnant horn thick walled

Question 7

8 weeks

Answer 7

Both horns bouncy and fluid filled 3” diameter

Question 8

9 weeks

Answer 8

Pregnant horn size of small football
Lightly ballot calf
No cotyledons

Question 9

10 weeks

Answer 9

Size of football

No cotyledons

Question 10

11 weeks

Answer 10

Large football

Can just feel cotyledons

Question 11

3/4/5 months

Answer 11

Cotyledons size
3mths 20mm
4mths 25mm
5mths 30mm. Uterine artery thrill 7-9mm

Question 12

Uterine artery?

Answer 12

3 mo - puny and pulsing
4mo- 2-3 mm nod thrill
5mo- 7-9 mum and thrill