I have used Sevin 2 times now for lice 10 days apart. I have 12 ladies but only have found lice on 2. Each time i inspect all the birds before i dust them i am positive that its the same 2 each time that have the lice. Why would it always be the same 2 ? Why do they keep getting them when the other 10 are doing the exact same things, in the exact same are, are treated the exact same way when dusting, etc? Now that i have used the Sevin twice, 10 days apart, should i do all the ladies again in 10 days? I also dusted their coop floor, nesting boxes and mixed some Sevin with De in their bath area. Am i missing something??? thxs Lisa
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