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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

From: A novel octavalent combined Erysipelas, Parvo and Leptospira vaccine provides (cross) protection against infection following challenge of pigs with 9 different Leptospira interrogans serovars

    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
  1. ** p<0.01