Out of my 3 males from the same litter, only 1 tested positive. Their Mom has never tested positive. His brothers have always been negative. No doctor or specialist we have dealt with, can explain this.
Sent from my iPhone On Dec 11, 2010, at 5:43 AM, Beth Noren <maxgoodb...@gmail.com> wrote: > Marnie, > It is common for this to happen. I trapped 5 plus mom, mom was > snap negative, runt was positive, 4 others were negative. 6 weeks > later one of the negatives got a fever, was retested, and was > positive. We think the first test was done too soon after his last > exposure, there was not enough antigen yet in his body for the test to > detect. Some vets will wrongly try to tell you that they will all > eventually test positive. This is definitely not true. Three of our > negative littermates are now 4.5 years old and still negative. > As far as why this happens, there are a few different theories, > but no one knows for sure. One that I have heard is that they could > be infected by a nanny cat. In our case we only did the Elisa on the > momma, then spayed and released her. Had we done an IFA, she may have > showed positive. Following is a link to a chart which shows what > testing path to follow based on the results that you are getting. > > http://www.felineleukemia.org/felvhlth.html > > Best wishes, > Beth > > > On Sat, Dec 11, 2010 at 12:52 AM, Marnie <marni...@embarqmail.com> wrote: >> My shelter just took in a litter of 5 kittens. They are about 8 weeks old. >> The 3 females tested possible for feline leukemia with the Idexx snap test >> and the 2 males were negative. We retested from another batch of tests and >> the same thing. How is this possible if they are all from the same mother? >> Can anyone shed some light on this please? >> Marnie > >> > > _______________________________________________ > 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