TABLE 3.

Test results with sera and feces of three active and two passive carriers of serovar Dublin after they were housed individually

Farm	Animal	ELISA titer range			Bacteriological examination
		LPS	GP	GM-DAS	Feces	Milk
A	3858	400–6,400	400–3,200	40–80	+++a	+−e
	3863	800–3,200	800–3,200	80–160	+++a	+−e
B	2201	400–6,400	400–1,600	20–80	+++b	—f
	2205	<100–400	<100–100	<10	−−−c	—
	2492	<100–100	<100–100	<10	+−−d	—

^a10,000 to 10,000,000 CFU/g of feces. 

^b1 to 1,000,000 CFU/g of feces. 

^cNo positive fecal culture. 

^dIntermittent positive fecal culture (<10,000 CFU/g of feces) during the first 3 weeks of individual housing. 

^eIntermittent positive culture (<10,000 CFU/ml of milk). 

^f—, no milk production (yearlings).