Use of canonical discriminant analysis to study signatures of selection in cattle

Table 2 Number of significant SNPs detected by the canonical discriminant analysis (CDA) and the fixation index (F_ST) approach

Pair-wise F_ST	F_ST analysis	Number of common SNPs between CDA and - F_ST
Pair-wise F_ST	Number of detected significant SNPs	CVA1^a	CVA2	CVA3	CVA4	Total
BRW–HOL	833	82	19	11	1	113
BRW–MAR	719	10	43	8	0	61
BRW–SIM	821	13	11	32	0	56
BRW–PIE	749	14	19	19	9	61
HOL–MAR	1035	82	21	8	2	113
HOL–SIM	923	82	11	17	3	113
SIM–MAR	883	20	36	24	2	82
PIE–HOL	1172	97	8	19	11	135
PIE–MAR	943	14	27	10	9	60
PIE–SIM	1030	18	12	19	21	70
Total	9108	432	207	167	58	864
Unique SNP in common		155	78	66	33	332

BRW Italian Brown Swiss, HOL Italian Holstein, MAR Marchigiana, SIM Italian Simmental, PIE Piemontese cattle
^aCVA1, CVA2, CVA3, and CVA4 are the first, second, third and fourth extracted canonical variable, respectively

ISSN: 1297-9686