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Examination steps on equine:
1. Clear off the egesta in rectum.
2. Feel the pregnancy with hand and give a primary estimation and confirm the examing
organ with ultrasound.
3. Hold the probe closely and put it into rectum and ensure that your hand can feel the
coming change inside recta. Keep hand closing to the back and between the probe and recta
wall.
4. The inner construction of equine displays on the screen, bladder lies in the portrait cross
place and the behind is uterine horns and body. From the horizontal view, uterine horns are
in shape of round usually. Move the probe around to acquire a better observation on the
joint of uterine horns and body, and then switch the probe to uterine horns as the following
figure shows:
. Probe position for uterine and ovaries examination
5. The measurement method of GS diameter is given below and measurement can be done
horizontally or vertically.
Equine GA measurement
6. Confirm the distance value as per distance measurement methods and the corresponding
data display behind “G·A”. With this measurement to set up a chart to find the growth
curves to estimate embryo size and GA. Here GA refers to the duration from the copulation
instead of impregnation.
● BOVINE-BL：Calculate the gestation age according to bovine BL
Examination steps on bovine:
1
Rectum
2
Uterine horns
3
Uterine bodies
4
Ovaries
5
Vaginas
6
Bladders
Womb
