Table 1.

Horses' population investigated grouped as breed, healthy or sick, mares, stallions, or geldings.

Horse breeds	Sick mares (N. 19)	Healthy mares (N. 38)	Sick stallions (N. 11)	Healthy stallions (N. 20)	Sick geldings (N. 10)	Healthy geldings (N. 52)
Percheron						3
Italian Trotter		1	1
Belgian Workhorse			1		1	14
TPR						8
Anglo-Arabian		1		2		4
Argentine	1					2
Frisian		1	1		1
KWPN	2	1		1
Paint	1
Thoroughbred	6	5		2		2
Quarter Horse		2		1		2
Dutch Workhorse				1
Belgian saddle			1
Italian saddle	4	2	1		3	8
Pony of Esperia	2	2	1	1		1
Quarab				1
French saddle					1	1
Pony Exmoor		1
Andaluso/PRE			3	4		1
Unknown	1			1	1	1
German saddle	2	2	1	4	3	5
Poland saddle				1
French Trotter		20
Cruzado			1	1