Knott's test

Knott's test

a technique for the detection of microfilariae, most often for the diagnosis of Dirofilaria immitis infection in dogs. The blood is hemolyzed and concentrated.
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Data were submitted to variance analysis ('F' test) and were grouped by Scott Knott's test according to genotype factor, and 't' Student's test was used for the salinity factor, both at 5% of significance level, with the aid of SISVAR[R] statistical software (Ferreira, 2011).
0 BRS Guariba 97 aA 96 aA 97 aA 64 aB BRS Potengi 97 aA 98 aA 97 aA 66 aB BRS Itaim 87 bA 81 cB 87 bA 49 cB BRS 17 Gurgueia 100 aA 98 aA 100 aA 66 aB BRS Arace 97 aA 95 bA 97 aA 63 bB Paulistinha 100 aA 99 aA 100 aA 67 aB Pingo de Ouro 100 aA 91 bB 100 aA 59 cB BRS Maratana 100 aA 99 aA 100 aA 67 aB Costela de Vaca 99 aA 92 bB 99 aA 60 bB Canapu Branco 100 aA 99 aA 100 aA 67 aB Capital letters in the column: means are not different according to Scott Knott's test, and lowercase letters in the line: means are not different according to 't' Student's test, both at 5% of probability.
Data were submitted to analysis of variance and compared by the Scott Knott's test at 5% of significance level.
30 Means followed by the same letter in the column are different according to Scott Knott's test at 5% of probability.
Serial modified Knott's tests were undertaken at different interval over next few days but came out negative for microfilariae.
Modified Knott's tests which are recommended as the most reliable blood tests for detecting the presence of microfilariae were negative in the present case.