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

Table 2 Involvement of US beef cow-calf producers in Johne’s disease testing, enrollment in a control program and maintenance of a closed herd during 2010-2011

Variable				Odds ratio	95% CI	P^a
Tested herd for MAP		Yes	No
Commercial cow-calf	Yes	85	7	0.19	0.02 to 1.58	0.099
Commercial cow-calf	No	64	1	0.19	0.02 to 1.58	0.099
Seedstock	Yes	86	3	2.28	0.52 to 9.87	0.292
Seedstock	No	63	5	2.28	0.52 to 9.87	0.292
Closed herds	Yes	52	4	0.59	0.14 to 2.49	0.499
Closed herds	No	87	4	0.59	0.14 to 2.49	0.499
With clinical cow	Yes	23	4	0.25	0.05 to 1.20	0.101
	No	69	3
Enrolled in a control program		Yes	No
Commercial cow-calf	Yes	56	37	0.10	0.03 to 0.30	< 0.001
Commercial cow-calf	No	61	4	0.10	0.03 to 0.30	< 0.001
Seedstock	Yes	76	13	3.99	1.87 to 8.53	< 0.001
Seedstock	No	41	28	3.99	1.87 to 8.53	< 0.001
Closed herds	Yes	42	14	1.12	0.52 to 2.39	0.780
Closed herds	No	67	25	1.12	0.52 to 2.39	0.780
With clinical cow	Yes	14	13	0.35	0.14 to 0.89	0.031
	No	55	18
Maintained a closed herd		Yes	No
Commercial cow-calf	Yes	37	50	1.68	0.84 to 3.33	0.145
Commercial cow-calf	No	19	43	1.68	0.84 to 3.33	0.145
Seedstock	Yes	31	54	0.90	0.46 to 1.75	0.749
Seedstock	No	25	39	0.90	0.46 to 1.75	0.749
With clinical cow	Yes	8	15	0.98	0.36 to 2.64	0.975
	No	24	44

ISSN: 1746-6148