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Feline Immunodeficiency Virus (view source)
Revision as of 13:38, 27 August 2010
, 13:38, 27 August 2010→Laboratory Tests
===Laboratory Tests===
===Laboratory Tests===
The standard in-practice diagnostic tests detect serum
No typical changes for FIV infection are revealed by routine haematology and biochemsitry. The haemogram may be noraml, or anaemia, lymphopenia or neutropenia can be seen, related to the direct effects of the virus. Secondary infection may result in a neutrophilia. Biochemical changes reflect the associated conditions in indvidual cases<sup>5</sup>.
available laboratory kits. Some test kits detect antibody
Diagnosis of FIV is made by demonstrating the presence of antibodies against the virus. ELISA tests are available for in-house use, with some kits detecting antibody to the core protein p24 and others detect antibody to the envelope protein gp4l<sup>2</sup>. Non-haemolysed plasma or serum is used for performing the in-house ELISA. Results must be interpreted with caution.
to the core protein p24, whereas others detect antibody
to the envelope protein gp4l. Non-haemolysed
plasma or serum is most reliable for use in these tests.
INTERPRETING A POSITIVE RESULT
INTERPRETING A POSITIVE RESULT
A positive test result is found in three situations:
A positive test result is found in three situations: