We have a group here that follows the same guidelines, which is the Alley Cat 
Allies guidelines. I oppose this whole heartedly. I think it is so wrong to 
release an FeLV positive cat back into a colony. You are spreading a disease. 
Not to mention that infected cats are probably going to die a lonely, awful 
death. I don't feel the same about FIV, as long as the colony is closely 
managed & sick cats are re-caught.
This attitude simply gives those who oppose TNR more ammunition against it.


Don't Litter, Fix Your Critter! www.Furkids.org

From: Natalie <at...@optonline.net>
To: felvtalk@felineleukemia.org
Sent: Wednesday, September 21, 2011 10:50 AM
Subject: [Felvtalk] Interesting FeLV info from a rescue group


For FeLV, again the ELISA test is almost always the initial test used.  In 
contrast to FIV, the FeLV ELISA does not detect antibodies, but whether the 
antigen of the virus is present in the blood.  In other words, a positive test 
result indicates the presence of the actual FeLV virus in the blood.  But, the 
test is extremely sensitive and is prone to false positives from improper 
handling.  In addition, a cat in the early stages of FeLV infection can still 
fight it off.  The disease does not take permanent hold until it enters the 
cat's white blood cells, which only another type of test, the IFA test 
(Immunofluoresence Assay, also known as the Hardy test) can determine.  The IFA 
test must be performed at a lab and is more expensive.  Consequently, if a cat 
appears otherwise healthy, a positive ELISA test should always be confirmed 
with an IFA test.  Only if other severe pathological symptoms of FeLV are 
present should an initial positive ELISA
 ever be relied upon alone.
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