Mycobacterium avium subsp. hominissuis Infection in Swine Associated with Peat Used for Bedding

Table 1

Samples examined for mycobacteria.

Sampled material	Number examined	Number positive for M. avium subsp. hominissuis
Pigs (organ samples)	46 (91)	35 (72)
Peat intended for bedding^a	4	4
Peat intended for bedding^b	16	12
Peat intended for feed supplement^b	2	0
Sawdust^a	4	1
Hay/straw^a	5	0
Water^a	10	0

Sampled at farms.
^bSampled at peat production facilities.