Table 1 Presence of parasite eggs at the outdoor facilities during the outbreak of severe respiratory disease at pasture B, as well in the indoor facilities in a subsequent investigation
Category | Indoor facilities | Outdoor facilities | ||||
|---|---|---|---|---|---|---|
Sows | Growers | Pasture C | Pasture B | Pasture A | Slab D | |
Age of pigs | Adults | 10 weeks | 4 months | 5 months | 6 months | 7 months |
Health status | Healthy | Healthy | Healthy | Respiratory disease | Healthy | Healthy |
Ascaris suum | ||||||
Positive samples, n | 0/8 | 0/8 | 0/3 | 4/5 | 0/5 | 3/4 |
Positive samples, prevalence | 0% | 0% | 0% | 80% | 0% | 75% |
Epg, Mean ± SD | 0 | 0 | 0 | 2090 ± 1545 | 0 | 1525 ± 2205 |
Epg, range | – | – | – | 0–3800 | – | 0–4800 |
Trichuris suis | ||||||
Positive samples, n | 0/8 | 0/8 | 0/3 | 4/5 | 0/5 | 0/4 |
Positive samples, prevalence | 0% | 0% | 0% | 80% | 0% | 0% |
Epg, Mean ± SD | 0 | 0 | 0 | 350 ± 453 | 0 | 0 |
Epg, range | – | – | – | 0–1100 | – | – |
Metastrongylus species | ||||||
Positive samples, n | 0/8 | 0/8 | 0/3 | 1/5 | 1/5 | 1/4 |
Positive samples, prevalence | 0% | 0% | 0% | 20% | 20% | 25% |
Epg, Mean ± SD | 0 | 0 | 0 | 10 ± 23 | 10 ± 23 | 38 ± 75 |
Epg, range | – | – | – | 0–50 | 0–50 | 0–150 |