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Fig. 6 | BMC Veterinary Research

Fig. 6

From: Development and comparison of enzyme-linked immunosorbent assays based on recombinant trimeric full-length and truncated spike proteins for detecting antibodies against porcine epidemic diarrhea virus

Fig. 6

Detection of PEDV S-specific IgA from colostrum using the full-length S-based and S1–501-based ELISAs. Colostrum samples from five seronegative SPF sows (n = 5, SPF group) and twenty-three feedback conventional sows (n = 23, Conventional group) were included. The PEDV S-specific IgA was detected from the colostrum using either full-length S-based and S1–501-based ELISAs. The results are presented as the S/P ratio. The round icon represents the result of SPF group; the square icon represents the result of Conventional group. The error bars indicate the mean S/P ratio ± SD

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