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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

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

Variables Producers Veterinarians
Number (%) of herd types   
Commercial cow calfa - registeredb 37 (23.1) 224 (70.2)
Commercial cow-calf not registered 64 (40.0) 275 (86.2)
Seedstockc registered 86 (53.8) 189 (59.3)
Seedstock not registered 10 (6.3) 107 (33.5)
Feedlotd 0 184 (57.8)
Backgroundere, 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)
  1. aA cow-calf herd is a beef cattle herd maintained to produce beef calves, which are usually sold after weaning.
  2. bRegistered herd is registered with a cattle breed association.
  3. cSeedstock herds produce cattle of a known pedigree that are typically purebred.
  4. dFeedlot is a feeding operation that raises beef cattle until they are finished and ready for slaughter.
  5. eBackgrounders and stockers raise calves from weaning until being sent to a feedlot.