Skip to main content

Table 1 Summary of the piglets included in a cohort study of post-weaning diarrhea

From: Post-weaning diarrhea in pigs weaned without medicinal zinc: risk factors, pathogen dynamics, and association to growth rate

  Producer A Producer B
Sex at birth
 Female 64/150 (43.7%) 72/150 (48.0%)
 Male 86/150 (57.3%) 78/150 (52.0%)
Sex at insertiona
 Female 61/141 (43.2%) 63/131 (48.1%)
 Male 80/141 (56.7%) 68/131 (51.9%)
Pre-weaning mortality rateb 9/150 (6.0%) 19c/150 (12.7%)
Moved to foster sow 113/149e (75.8%) 74/148f (50%)
Weaned in the farrowing unitd 61/140e (43.6%) 51/131 (38.9%)
Mean birth weight (g) 1345 (SD: 316) 1344 (SD: 302)
  Range: 540–2080 Range: 690–2070
  n = 150 n = 150
The mean body weights at insertion to the nursery units (g) 6054 (SD: 1670) 6549 (SD: 1484)
Range: 2100–11,500 Range: 2900–11,000
  n = 140e n = 131
Average daily weight gain the first 14 days after insertion to the nursery units (g) 155 (SD: 59 g) 168 (SD: 55)
Range: 14–300 Range: 36–321
n = 133 n = 125e
  1. aSex at insertion was recoded to be in accordance with the sex registered at birth whenever these registrations did not agree (n = 2)
  2. bDead/euthanized by herd personnel
  3. cIncluding one pig lost from follow up that was assumed to be dead
  4. dBefore the common weaning day
  5. eData from one piglet was missing
  6. fData from two piglets were missing