I'm sorry: PCR. On Mon, Feb 6, 2012 at 7:11 PM, Lynda Wilson <longhornf...@verizon.net> wrote: > I've never heard of a PSA. Is this new? > > L > ----- Original Message ----- From: "Kathryn Hargreaves" > <khargrea...@gmail.com> > To: <felvtalk@felineleukemia.org> > Sent: Monday, February 06, 2012 5:43 PM > Subject: Re: [Felvtalk] ELISA & IFA Tests: > > > >> From what I know, there are four: >> >> In-house ELISA >> Lab ELISA >> Lab IFA >> PSA >> >> Is this correct? >> >> On Mon, Feb 6, 2012 at 4:28 AM, Lynda Wilson <longhornf...@verizon.net> >> wrote: >>> >>> First of all there are two commonly used types of FeLV tests. One is the >>> in-office ELISA and the other is the laboratory run IFA test. Both types >>> test for the FeLV protein p27. However, they detect the protein in >>> different >>> forms and detect infection at different stages. 1.) If a cat or kitten is >>> ELISA positive, but healthy, an IFA test should be performed. Here is >>> where >>> the confusion begins. >>> >>> If the cat is IFA negative but ELISA positive there are two >>> possibilities. >>> One is a false positive ELISA test and the other is a stage of the >>> disease >>> is present at which the IFA test doesn't detect infection. Therefore the >>> suspect cat or kitten should be isolated and retested in at least 6 >>> weeks. >>> If, at that time the cat is IFA positive, you know that the cat if >>> infected. >>> The IFA is 99% accurate. An IFA positive cat can be shedding virus and >>> infect other cats and kittens." >>> >>> Remember to retest 6 weeks after an ELISA positive result, the cat's >>> immune >>> system can clear the virus especially in an adult cat (kittens and >>> seniors >>> have the most difficulty clearing the virus). >>> >>> >>> This is what I have always been told by veterinarians and everyone on >>> this >>> FeLV thread. I have not heard any different. This info is true! >>> >>> >>> Lynda >>> >>> >>> >>> _______________________________________________ >>> Felvtalk mailing list >>> Felvtalk@felineleukemia.org >>> http://felineleukemia.org/mailman/listinfo/felvtalk_felineleukemia.org >> >> >> >> >> -- >> ---------------------------- >> Go Get a Life---Go Get a Shelter Animal! >> >> Ask your local animal pound to start saving over 90% of their intake >> by implementing the No Kill Equation: >> http://www.nokilladvocacycenter.org/ >> >> Legislate better animal pound conditions: http://www.rescue50.org >> >> _______________________________________________ >> Felvtalk mailing list >> Felvtalk@felineleukemia.org >> http://felineleukemia.org/mailman/listinfo/felvtalk_felineleukemia.org >> > > > > _______________________________________________ > Felvtalk mailing list > Felvtalk@felineleukemia.org > http://felineleukemia.org/mailman/listinfo/felvtalk_felineleukemia.org
-- ---------------------------- Go Get a Life---Go Get a Shelter Animal! Ask your local animal pound to start saving over 90% of their intake by implementing the No Kill Equation: http://www.nokilladvocacycenter.org/ Legislate better animal pound conditions: http://www.rescue50.org _______________________________________________ Felvtalk mailing list Felvtalk@felineleukemia.org http://felineleukemia.org/mailman/listinfo/felvtalk_felineleukemia.org
