Table 2.

Cohabitation experiments performed for 30 days with farmed or wild adults sampled in 4 different geographic areas as donors and 3-, 6-, and 15-months-old SPF oysters as recipients.

Donors				Recipients
Geographic origin	Collecting sector	Farmed/wild	Mortality (%)	Mortality (%) 3 months	Mortality (%) 6 months	Mortality (%) 15 months
Bay of Veys	Géfosse	Farmed	38	64	43	29
Aber Benoit	Beg ar Vill	Farmed	20	64	26	20
	Beg ar Vill	Farmed	31	57	30	24
	Beg ar Vill	Farmed	59	55	33	28
	Beg ar Vill	Farmed	46	48	26	21
	Beg ar Vill	Farmed	20	63	37	28
Bay of Bourgneuf	La Coupelasse	Farmed	5		5	8
	Cob	Farmed	64		51	17
	Roche aux Bretons	Farmed	69		25	25
	Grill Nod	Farmed	54		28	29
	Graisseloup	Farmed	57		33	25
	La Coupelasse	Wild	2		0	0
	Cob	Wild	0		1	0
	Graisseloup	Wild	1		0	0
	Roche aux Bretons	Wild	2		0	0
Bay of Brest	Pte du Château	Farmed	0	0	0	0
	Pte du Château	Farmed	8	28	7	17
	Pte du Château	Farmed	0	0	0	0
	Pte du Château	Farmed	5	0	0	0
	Pte du Château	Farmed	0	0	0	1
	Pte du Château	Farmed	17	66	23	20
	Pte du Château	Farmed	91	78	59	54
	Pte du Château	Farmed	3	70	14	22
	Le Prioldy	Wild	3	0	0	0
	Le Loc’h	Wild	0	0	0	0
	Pte du Château	Wild	31	45	19	15
	Pte du Château	Wild	0	0	0	0
	Pte du Château	Wild	0	0	0	0
	Pte du Château	Wild	8	57	7	0
	Pte du Château	Wild	1	1	0	0