Full digital mechanical sector scanning ultrasonic diagnostic instruments (Vet) User’s Manual V1.07
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Chapter 7 Fat thickness and Lean percentage measurement
In A mode, you can measure the swine’s backfat thickness and lean percentage.
Figure: A mode interface
7.1 Measurement items
Name
Abbreviation
Unit
Backfat thickness
BF
mm
Loin thickness
Loin
mm
Average thickness
AVG
mm
Lean
percentage
Lean
%
7.2 Backfat measurement
1. Enter A mode freeze state;
2. Put ultrasonic coupling gel evenly to the appropriate site of swine’s back (if necessary, cut off
the hair at the measurement site and wet the skin with hot water, then apply light oil to wet the
skin one minute or two), in order to make good contact between swine skin and sound window.
The probe is placed against the skin of the swine and is kept perpendicular to the back, move
the probe gently, make sure no air bubbles between the skin and probe. Keep the swine quiet
during the test (you can feed the swine during the test);
3. Press
key on the keyboard (or press the freeze switch
on the probe) to unfreeze the
image. Press
or
key, choose the desired measurement site:
the trailing edge of shoulder
(P1), the tenth rib (P2), the lumbosacral junction (P3);