Table 1 Effect of IgY against diarrhea caused by bacterial pathogens in piglets
Items | Mortality, % | Outcome measure considered-Mortality (M) or Diarrhea (D) | |||
|---|---|---|---|---|---|
Intervention | Control | ||||
Prophylactic effect | |||||
Ref. | Pathogens | Piglet age | Â | Â | Â |
 Imberechts et al. [33] | F18+ ETEC | Weaned (21–28 d) | 33 | 66 | D |
|  | F18+ ETEC | Weaned (21–28 d) | 25 | 75 | D |
|  | F18+ ETEC | Weaned (21–28 d) | 0 | 25 | M |
 Marquardt et al. [34] | K88+ ETEC | Neonatal (3-day-old) | 12.5 | 62.5 | M |
| Â | K88+ ETEC | Weaned (21-day-old) | 0 | 30 | M |
| Â | K88+ ETEC | Weaning (14-18-days-old) | 1.9 | 3.9 | D |
 Owsu-Asiedu et al. [36] | K88+, F18+, F41+ ETEC | Early-weaned (10-day-old) | 30 | 73 | D |
| Â | ETEC K88+, F18, F41 | Early-weaned (10-day-old) | 33 | 100 | D |
 Owsu-Asiedu et al. [37] | K88 + ETEC | Early-weaned (10 ± 1 days old) | 6.6 | 40 | M |
 Owsu-Asiedu et al. [38] | K88 + ETEC | Early-weaned (10-day-old) | 0 | 33 | M |
 Chernysheva et al. [76] | K88 + ETEC | Newly weaned (about 22-day-old) | 66 | 58.3 | D |
 Chu et al. [86] | K88 + ETEC | Neonatal (3-day-old) | 16.7 | 66.7 | M |
 Li et al. [83] | K88 + ETEC | Weaned (40-day-old) | 0 | 75 | D |
Therapeutic effect | |||||
Ref. | Pathogens | Piglet age | Â | Â | Â |
 Yokoyama et al. [27] | K88 + ETEC | Newborn | 0 | 86 | M |
|  | K99 + ETEC | Newborn | 0 | 100 | M |
|  | 987P + ETEC | Newborn | 0 | 80 | M |
 Yokoyama et al. [87] | F18+ ETEC | Weaned (28-day-old) | 0 | 11 | D |
 Yang et al. [88] | K88 + ETEC | Newborn | 0 | 85.7 | M |
|  | K99 + ETEC | Newborn | 0 | 100 | M |
|  | 987P + ETEC | Newborn | 0 | 80 | M |
 Xu et al. [89] | K88 + ETEC | Newborn | 0 | 33.3 | M |
|  | K99 + ETEC | Newborn | 0 | 66.7 | M |
|  | 987P + ETEC | Newborn | 0 | 50 | M |
 Chu et al. [86] | K88 + ETEC | Weaned (21-day-old) | 0 | 25 | M |