Skip to main content

Table 1 Pathogens identified from deep pharyngeal and mid-nasal swabs in Holstein calves from California and New Mexico

From: Susceptibility loci revealed for bovine respiratory disease complex in pre-weaned holstein calves

Pathogen *California n = 2,014 *^New Mexico n = 748 *California & ^New Mexico n = 2,763 +Odds ratio Odds ratio 95% confidence interval Odds ratio Pvalue
Arcanobacterium pyogenes 0.3 (0) 10.7 (4.3) 3.1 (1.2) 2.8 1.5-5.3 0.0003
Histophilus somni 1.7 (0.4) 3.2 (0.5) 2.1 (0.4) 4.9 2.0-14.6 <0.0001
Manheimia haemolytica 23.5 (11.1) 4.5 (3.5) 18.4 (9) 2.3 1.8-2.9 <0.0001
Pasteurella multocida 36.3 (23.6) 61.1 (54.8) 43.0 (32) 1.6 1.4-1.9 <0.0001
Mycoplasma spp. 64.6 (57.1) 57.4 (48.7) 62.6 (54.8) 1.4 1.2-1.6 <0.0001
Bovine corona virus 9.6 (7.7) 50.0 (35.0) 19.9 (14.5) 1.5 1.2-1.8 0.0004
Bovine respiratory syncytial virus 20.8 (7.7) 4.9 (2.5) 16.3 (6.3) 2.9 2.2-3.8 <0.0001
Bovine viral diarrhea virus 0 (0) 1.3 (0) 0.4 (0) NA NA NA
Bovine herpes virus 0 (0) 0 (0) 0 (0) NA NA NA
  1. *Percent of cases and controls (in parentheses) where individual pathogens were present in the pre-weaned Holstein calves. Animals classified as undetermined with respect to case–control status were not included in the summary statistics presented here.
  2. ^Jersey calves (n = 18) were removed;
  3. +Odds ratio of being affected with BRDC when the pathogen was present when the animal was swabbed.