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Question about Feline Leukemia and FIV test
As I posted earlier, I am taking in a stray cat that we found. I had
the cat tested for leukemia and FIV and she is negative. She was tested one week after we caught her and brought her inside. My question is, should I have her tested again? Meaning, how quickly does something show up in a cat's system to be detected by the test? If she had come in contact with an infected cat the day before I caught her, would that show up in a test done a week later? Thanks. S. **visit me and my cats at www.island-cats.com** |
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Question about Feline Leukemia and FIV test
Cindy,
Did you ever have a cat that tested negative and then later tested positive? Guess I need to keep my other cats away from this new one...but for how long? I can't keep them separate for 3 months. S. -- **Visit me and my cats at http://www.island-cats.com/ ** --- "cindys" wrote in message ... wrote in message ... As I posted earlier, I am taking in a stray cat that we found. I had the cat tested for leukemia and FIV and she is negative. She was tested one week after we caught her and brought her inside. My question is, should I have her tested again? I would. And I have done so on more than one occasion when I was fostering cats, even when the shelter already had the cat tested. Meaning, how quickly does something show up in a cat's system to be detected by the test? I can't remember the window. It's at least a few weeks, but I think it might be up to three months (someone else might know better than I do). If she had come in contact with an infected cat the day before I caught her, would that show up in a test done a week later? Probably not. Best regards, --Cindy S. |
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Question about Feline Leukemia and FIV test
Hi,
I am going through the whole thing with a stray cat we are taking in. The waiting period is about two months. Double check with the vet though to be sure. Thanks, Melissa |
#4
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Question about Feline Leukemia and FIV test
Sorry about the double post...
They generally say it is, like human aides, most usually transmitted sexually. If that is a female cat, and your two boys are vaccinated... If the female is not pregnant, there is a pretty good chance that the original test is good to go on. Do double check with your vet. Feline Aids can be spread in other ways... through bites and so forth... saliva... But usually it is associated with sexual contact just human AIDS is. It is better to have the test done again... but if that kitty that you have there isn't pregnant or anything... chances are good you are safe. BUT, better to go with caution. That is just my feeling. Thanks, Melissa |
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Question about Feline Leukemia and FIV test
Melissa, what are you doing in the meantime...just keeping the stray
separate from your other cats for 2 months? That isn't going to be easy to do... S. "mc" wrote in message ... Hi, I am going through the whole thing with a stray cat we are taking in. The waiting period is about two months. Double check with the vet though to be sure. Thanks, Melissa |
#6
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Question about Feline Leukemia and FIV test
The stray was not pregnant...she is spayed now. What about leukemia? My
other 2 cats have not been vaccinated for leukemia since they are strictly indoor cats. I just brought the stray home today....she is separated from my other 2 but now I'm concerned about introducing all of them. "mc" wrote in message ... Sorry about the double post... They generally say it is, like human aides, most usually transmitted sexually. If that is a female cat, and your two boys are vaccinated... If the female is not pregnant, there is a pretty good chance that the original test is good to go on. Do double check with your vet. Feline Aids can be spread in other ways... through bites and so forth... saliva... But usually it is associated with sexual contact just human AIDS is. It is better to have the test done again... but if that kitty that you have there isn't pregnant or anything... chances are good you are safe. BUT, better to go with caution. That is just my feeling. Thanks, Melissa |
#7
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Question about Feline Leukemia and FIV test
wrote in message ... As I posted earlier, I am taking in a stray cat that we found. I had the cat tested for leukemia and FIV and she is negative. She was tested one week after we caught her and brought her inside. My question is, should I have her tested again? Meaning, how quickly does something show up in a cat's system to be detected by the test? Depends on which test was run. The in-house ELISA (enzyme-linked immunosorbent assay) Snap test can detect *circulating* FeLV antigen in about 2-4 weeks- possibly less in some cats- after infection. The IFA (immunofluorescent antibody) assay- which can only be run buy a diagnostic lab- can take ~4 weeks, and sometimes up to 12 weeks to detect an infection. The IFA takes longer to produce a postive result because it tests for FeLV in the leukocytes and platelets which usually means virus has to reach the bone marrow before it can be detected. For FIV- it usually takes about 8 -12 weeks for antibodies to develop after the initial infection. Kittens 6-8 months old can test positive for FIV from receiving FIV antibodies from their mother through colostrum *without* being infected. An FIV-vaccinated cat will also test postive as well as her kittens. . If she had come in contact with an infected cat the day before I caught her, would that show up in a test done a week later? Probably not-- *but* given her age and the length of time she has lived outdoors, its very unlikely the results were false negatives. False postives are common because the ELISA Snaps are very, very sensitive- which also makes them very unlikely to produce false negatives.. Phil Thanks. S. **visit me and my cats at www.island-cats.com** |
#8
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Question about Feline Leukemia and FIV test
Thanks, Phil. The cat was tested at my vet's office...I assume it would be
the ELISA test because they were able to get immediate results. So do you think I'm safe with introducing the new cat to my other ones? I don't plan on doing it immediately, probably in a week or two. My current cats have not been vaccinated for leukemia (well, one was initally but I haven't updated his vaccination in at least 3 years). I can have the new cat retested....how soon should I do so? "Phil P." wrote in message news:O_%xj.81$VS2.51@trndny05... wrote in message ... As I posted earlier, I am taking in a stray cat that we found. I had the cat tested for leukemia and FIV and she is negative. She was tested one week after we caught her and brought her inside. My question is, should I have her tested again? Meaning, how quickly does something show up in a cat's system to be detected by the test? Depends on which test was run. The in-house ELISA (enzyme-linked immunosorbent assay) Snap test can detect *circulating* FeLV antigen in about 2-4 weeks- possibly less in some cats- after infection. The IFA (immunofluorescent antibody) assay- which can only be run buy a diagnostic lab- can take ~4 weeks, and sometimes up to 12 weeks to detect an infection. The IFA takes longer to produce a postive result because it tests for FeLV in the leukocytes and platelets which usually means virus has to reach the bone marrow before it can be detected. For FIV- it usually takes about 8 -12 weeks for antibodies to develop after the initial infection. Kittens 6-8 months old can test positive for FIV from receiving FIV antibodies from their mother through colostrum *without* being infected. An FIV-vaccinated cat will also test postive as well as her kittens. . If she had come in contact with an infected cat the day before I caught her, would that show up in a test done a week later? Probably not-- *but* given her age and the length of time she has lived outdoors, its very unlikely the results were false negatives. False postives are common because the ELISA Snaps are very, very sensitive- which also makes them very unlikely to produce false negatives.. Phil Thanks. S. **visit me and my cats at www.island-cats.com** |
#9
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Question about Feline Leukemia and FIV test
I dare not advise. But I do have the cat I am taking in seperate from
my two boys. I just don't dare to risk it. He is in a large caged area in my warm barn. I know... I feel really badly about it, but he is safe and warm and dry and well fed and I spend a good amount of time there with him. I cannot wait to bring him inside. I was told, with another stray we brought in that it is usually sexually transmitted - not 100 % of the time, but the risks are greater for sexually active cats. So if your cat has been neutered and showed no signs of pregnancy... I think you are pretty safe. BUT, I would consult the vet. I am not an expert by any stretch. Good luck :-) You are doing the right thing :-) You will find that is probably going to be one of the nicest cats you have ever had ;-) LOL Let us know how it goes ;-) |
#10
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Question about Feline Leukemia and FIV test
"blkcatgal" wrote in message . .. Thanks, Phil. The cat was tested at my vet's office...I assume it would be the ELISA test because they were able to get immediate results. Snap negatives are very reliable- its the positives that aren't. So do you think I'm safe with introducing the new cat to my other ones? I don't plan on doing it immediately, probably in a week or two. My current cats have not been vaccinated for leukemia (well, one was initially but I haven't updated his vaccination in at least 3 years). I can have the new cat retested....how soon should I do so? If you do the introduction the right way (see my other post to you), it should take about 2-3 weeks before you allow the cats to mingle. That would be about 3-4 weeks after the new cat was initially tested. If you want peace of mind, that would be a good time to have her retested. If she tests negative again for FeLV after a month- she's probably negative. If you want to retest her for FIV, you should wait at least 3 months from her last test- although I think an FIV retest is unnecessary. Good luck with your cat! She's a lucky a cat because she has you. Phil "Phil P." wrote in message news:O_%xj.81$VS2.51@trndny05... wrote in message ... As I posted earlier, I am taking in a stray cat that we found. I had the cat tested for leukemia and FIV and she is negative. She was tested one week after we caught her and brought her inside. My question is, should I have her tested again? Meaning, how quickly does something show up in a cat's system to be detected by the test? Depends on which test was run. The in-house ELISA (enzyme-linked immunosorbent assay) Snap test can detect *circulating* FeLV antigen in about 2-4 weeks- possibly less in some cats- after infection. The IFA (immunofluorescent antibody) assay- which can only be run buy a diagnostic lab- can take ~4 weeks, and sometimes up to 12 weeks to detect an infection. The IFA takes longer to produce a postive result because it tests for FeLV in the leukocytes and platelets which usually means virus has to reach the bone marrow before it can be detected. For FIV- it usually takes about 8 -12 weeks for antibodies to develop after the initial infection. Kittens 6-8 months old can test positive for FIV from receiving FIV antibodies from their mother through colostrum *without* being infected. An FIV-vaccinated cat will also test positive as well as her kittens. . If she had come in contact with an infected cat the day before I caught her, would that show up in a test done a week later? Probably not-- *but* given her age and the length of time she has lived outdoors, its very unlikely the results were false negatives. False positives are common because the ELISA Snaps are very, very sensitive- which also makes them very unlikely to produce false negatives.. Phil Thanks. S. **visit me and my cats at www.island-cats.com** |
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