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Fig. 1 | BMC Veterinary Research

Fig. 1

From: Serological testing of an equal-volume milk sample – a new method to estimate the seroprevalence of small ruminant lentivirus infection?

Fig. 1

The relationship between the proportion of individual seropositive milk samples in the equal-volume milk sample (EVMS%POS) and optical density of EVMS (ODEVMS) in the indirect ELISA based on a mixture of synthetic viral peptides (sp-iELISA). The inner green broken line is a 95% confidence interval of the linear regression (green solid line). The outer green broken line is a 95% prediction interval. Green rectangle depicts the range of ODEVMS within which the model allows for estimation of EVMS%POS. Black broken line is a cut-off separating positive and negative EVMS

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