Table 3 Reisolation of Leptospira from urine and kidney. Pigs were vaccinated twice (4-week interval) and challenged with different Leptospira serovar (sv) and serogroup (sg) challenge strains, 6 weeks after first vaccination. Urine was sampled regularly and kidney samples were collected during necropsy 4w after challenge. A pig was considered shedding if at least once a positive urine isolation was found
reisolation of Leptospira from urine on post-challenge day | # pigs shedding | # Kidney positive | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
n | group | challenge with | 0 | 14 | 17 | 21 | 24 | 28 | ||
9 | vaccine | sv Canicola | 0 | 0 | 0 | 0 | 0 | 0 | 0** | 0** |
10 | control | sg Canicola | 0 | 9 | 9 | 9 | 7 | 6 | 10 | 6 |
10 | vaccine | sv Copenhageni | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
10 | control | sg Icterohaemorrhagiae | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 |