Table 3. Analysis of MOlecular VAriance after partitioning according to different criteria.

Partitioning criterion	n. of groups	n. of individuals	Fixation index	P
Geography	5 geographic regions	1,577 with known region	Fst = 0.0108	<1E-4
Breed	5 breeds	1,027 with unambiguous assignment	Fst = 0.0188	0.0109
Breeder	120 breeding stations	1,591	Fst = 0.1033	<1E-4
Breeder & Geography	119 breeding stations into 5 regions	1,577 with known region	Fsc = 0.0999; Fct = 0.0062	<1E-4 0.0068
Breeder in individual regions
GERREI	14 stations	183	Fst = 0.0599	<1E-4
IGLESIENTE	8 stations	96	Fst = 0.1378	0.0004
OGLIASTRA	48 stations	718	Fst = 0.1250	<1E-4
SARRABUS	12 stations	138	Fst = 0.0534	<1E-4
SULCIS	37 stations	442	Fst = 0.0837	<1E-4