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Table 4 Comparison of the treatment incidence (mean and standard deviation) and biosecurity scores (two-sample t-Test for equal means) of farms below (n = 30) and above (n = 30) the median TI 200 days (186.1)

From: Association between antimicrobial usage, biosecurity measures as well as farm performance in German farrow-to-finish farms

  Group 1: Farms < median TI 200 days (na=30) Group 2: Farms > median TI 200 days (na=30) P-value3
Treatment incidence Mean (SDb)  
 TI suckling pigs 162.0 (185.1) 328.2 (297.5)  
 TI weaned pigs 284.4 (168.5) 982.4 (468.5)  
 TI fattening pigs 21.9 (32.0) 84.0 (95.1)  
 TI 200 days 113.0 (53.0) 372.6 (146.4)  
 TI breeding pigs 45.0 (53.0) 39.2 (46.0)  
Biosecurity scores Mean (SDb)  
 External biosecurity
  Purchasing policy 87.9 (10.0) 88.1 (8.8) 0.94
  Removing animals, manure, carcasses 80.7 (9.8) 77.5 (11.1) 0.24
  Supply fodder, water, equipment 48.7 (15.2) 43.5 (12.4) 0.15
  Access check 76.7 (15.3) 65.9 (15.0) < 0.01
  Vermin, bird control 75.0 (18.7) 67.0 (20.7) 0.11
  Location, environment 58.0 (27.6) 20.0 (22.1) < 0.01
 Internal biosecurity
  Management diseases 55.1 (22.0) 49.8 (19.1) 0.33
  Farrowing, suckling period 69.2 (16.2) 75.3 (18.0) 0.17
  Nursery period 78.5 (16.0) 77.9 (19.0) 0.91
  Fattening period 40.4 (13.2) 42.5 (17.0) 0.59
  Compartmentalizing, working lines, equipment 43.0 (20.2) 45.6 (18.2) 0.56
  Cleaning, disinfection 74.2 (8.2) 66.2 (8.1) < 0.01
  1. 3Applied level of significance 5% (p < 0.05). Significant differences are highlighted in black and bold
  2. an Number
  3. bSD Standard deviation
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Porcine Health Management

ISSN: 2055-5660

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