TABLE 3.

Number and genotypic diversity of R. equi isolates from each farm in each year

Year	Parameter	No. and diversity (%) of isolates from farm:																Totalc
		D	I	J	AA	L	M	N	O	P	R	U	V	W	WBa	X	Otherb
1991	Isolates					7	4	1	9		3						3	27
	Diversity					0.81	0.83	NMd	0.86		0.66						NM	0.883
1992	Isolates					2	7	1	1			3					2	16
	Diversity					1	0.90	NM	NM			1					NM	0.908
1993	Isolates			1		1	15	2	1	1	1	3		1			2	28
	Diversity			NM		NM	0.79	1	NM	NM	NM	0.66		NM			NM	0.87
1994	Isolates					1	25				2		2	11	1	1	3	46
	Diversity					NM	0.87				1		1	0.87	NM	NM	NM	0.92
1995	Isolates	2	2			1	8	4	4		3	3	1	7	1	2	1	39
	Diversity	1	0			NM	0.89	0.5	1		1	1	NM	1	NM	1	NM	0.945
1996	Isolates	2		1	2	1	5		6	1	2	1		10	1	1	1	34
	Diversity	1		NM	1	NM	0.6		0.86	NM	1	NM		0.93	NM	NM	NM	0.923
1997	Isolates				3				1		3	1		1	3	1	1	14
	Diversity				0.66				NM		0.66	NM		NM	1	NM	NM	0.879
1998	Isolates														5			5
	Diversity														0.7			0.7
Totale	Isolates	4	2	2	5	13	64	8	22	2	14	11	3	30	11	5	13	209
	Diversity	1	0	1	0.9	0.92	0.85	0.82	0.92	1	0.96	0.96	1	0.92	0.93	1	n/d	0.93

^aIsolates from The University of Melbourne Veterinary Clinic and Hospital, Werribee, Victoria, Australia. 

^bFarms from which only one isolate was received. 

^cTotal numbers and diversity for each year. 

^dNot meaningful for single isolates. 

^eTotal numbers and diversity for each farm.