Table 2.

Prevalence of cryptosporidia infection by department (Veterinary Practices Survey)

Department	Number of positive calvesa	Total calves testedb	Prevalence (%)	C.I. 95%
Allier	14	38	36.8	[21.5; 52.2]
Cantal	38	54	70.4	[58.2; 82.5]
Creuse	46	98	46.9	[37.1; 56.8]
Doubs	21	41	51.2	[35.9; 66.5]
Ille-et-Vilaine	10	21	47.6	[26.3; 69.0]
Maine-et-Loire	7	39	17.9	[5.9; 30.0]
Manche	7	35	20.0	[6.7; 33.3]
Pas-de-Calais	21	42	50.0	[34.9; 65.1]
Saône-et-Loire	15	22	68.2	[48.7; 87.6]
Vendée	12	49	24.5	[12.4; 36.5]
Total	191	440	43.4	[38.8; 48.0]

^aPresence of Cryptosporidium antigens in faeces detected by ELISA.

^bOne set of data missing.