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Urine Analysis - Pathology (view source)
Revision as of 18:55, 17 September 2010
, 18:55, 17 September 2010→Specific Gravity
===Gross Appearance===
===Gross Appearance===
===Specific Gravity===
===Specific Gravity===
Urine specific gravity (USG) is measured using a refractometer calibrated for veterinary use. It must additionally be calibrated on each use using water which must match the water line on the refractometer read out prior to measuring USG, as reftractometer measurement is sensative to room temperature. Adjustments are made using the screw on the top of the refratcometer - take care not to get this screw wet when cleaning the reftractometer.
Specific gravity relates to the urine concentration. It is basically a measure of the density of particles in the urine.
Below are the normal urine specific gravities for the common domestic species.
<TABLE CELLPADDING="2" CELLSPACING="2" WIDTH="20%">
<TR>
<TD BGCOLOR="#C1f0f6"><center>'''Species'''</center></TD>
<TD BGCOLOR="#C1f0f6"><center>'''Urine Volume'''</center></TD>
</TR>
<TR>
<TD><center>Dog</center></TD>
<TD><center>1.016-1.060</center></TD>
</TR>
<TR>
<TD BGCOLOR="#C1f0f6"><center>Cat</center></TD>
<TD BGCOLOR="#C1f0f6"><center>1.020-1.040</center></TD>
</TR>
<TR>
<TD><center>Cow</center></TD>
<TD><center>1.030-1.045</center></TD>
</TR>
<TR>
<TD BGCOLOR="#C1f0f6"><center>Sheep</center></TD>
<TD BGCOLOR="#C1f0f6"><center>1.015-1.045</center></TD>
</TR>
<TR>
<TD><center>Horse</center></TD>
<TD><center>1.025-1.060</center></TD>
</TR>
<TR>
<TD BGCOLOR="#C1f0f6"><center>Pig</center></TD>
<TD BGCOLOR="#C1f0f6"><center>1.010-1.050</center></TD>
</TR>
</TABLE>
===Urine Dipsticks===
===Urine Dipsticks===
====pH====
====pH====