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closely against the skin. Clean the abdomen skin if there is mud to ensure a clear display of
the abdominal pelvic structure.
3. The maximum vertical axile of the stomach should be displayed on the screen. With the
time going on, fetus stomach long axile increases regularly. The measurement method is
given below:
Picture. Bovine stomach measurement
4. Confrim the distance value as per distance measurement methods and the corresponding
data display behind “G·A”.
● BOVINE-HL:Calculate the gestation age according to bovine HL
1. Keep the cow standing.
2. Put the probe against the abdomen side center, shift it a little bit left or right and hold it
closely against the skin. Clean the abdomen skin if there is mud to ensure a clear display of
the abdominal pelvic structure.
3. The maximum vertical axile of the heart should be displayed on the screen. With the time
going on, fetus heart long axile increases regularly. The measurement method is given
below:
Picture. Bovine heart measurement
4. Confirm the distance value as per distance measurement methods and the corresponding
data display behind “G·A”.
● SWINE-HL:Calculate the gestation age according to SWINE HL
Check routine on pigs:
1. Make the swine in a state of stand.
2. Put the probe, a little bit left or right of the center, on the ventral abdominal wall closely
Heart
Stomach
Heart