I think the only way to get a 'true' test on felv kittens is to test them asap and then wait at least 60 days (preferably 90). Keep them totally away from other cats, and then retest. This is so hard to do that I don't think anyone can judge a cat at any age as positive or negative from one test......... tonya
MaryChristine <[EMAIL PROTECTED]> wrote: still seems like it doesn't make sense--i know better than most that it takes an adult cat 90 to 120 days to develop antigens after exposure, so why then do so many articles say that you can test kittens at any age? why not just SAY that a test result isn't valid in kittens before then? seems to me that this is another one of those, "we really don't know, so each of us will make it up as we go along," situations. I WANT ONE ANSWER, darn it! i don't care what it is, i just want one that everyone can agree upon, is that really too much to ask? (yeah, that was a rhetorical question.) and unfortunately, not enough vets seem to know that FIV kittens will show their mom's antibodies, and, subsequently, fewer shelters and rescues do. in EITHER case, a single test should never be taken as definitive--and all the major vet schools, and professional associations and literature have said so for years. hasn't made a whole lot of difference. thanks for the link to the shelter med article, tho, as it confirms some of what i'd been seeing the journals, that transplacental transmission was no longer being considered the main vector. hopefully, i'll be able to find those links again. (i have everything saved--it's just finding it again that can be problematical... ) MC
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