Perceptions of veterinarians and producers concerning Johne’s disease prevalence and control in US beef cow-calf operations

Table 1 Description of the herds of producers (n = 160) and client herds of veterinarians (n = 325) who responded to the Johne’s disease questionnaire

Variables	Producers	Veterinarians
Number (%) of herd types
Commercial cow calf^a - registered^b	37 (23.1)	224 (70.2)
Commercial cow-calf not registered	64 (40.0)	275 (86.2)
Seedstock^c registered	86 (53.8)	189 (59.3)
Seedstock not registered	10 (6.3)	107 (33.5)
Feedlot^d	0	184 (57.8)
Backgrounder^e, stocker and dairy herds	0	64 (20.1)
Herd attributes
Mean herd size (min, median, max)	155 (3,70,2500)	105 (0,50,3000)
Percentage of infected herds	21.9	26.3
Mean prevalence (min, median, max)	0.8 (0,0,10)	4.8 (0,2,60)

^aA cow-calf herd is a beef cattle herd maintained to produce beef calves, which are usually sold after weaning.
^bRegistered herd is registered with a cattle breed association.
^cSeedstock herds produce cattle of a known pedigree that are typically purebred.
^dFeedlot is a feeding operation that raises beef cattle until they are finished and ready for slaughter.
^eBackgrounders and stockers raise calves from weaning until being sent to a feedlot.

ISSN: 1746-6148