Fig. 3From: Estimating prevalence of avian haemosporidians in natural populations: a comparative study on screening protocolsThe qPCR standard curves derived from tenfold dilution series of P. relictum and H. belopolyski samples of intensity: very high (++++); high (+++); medium (++) to low (+) (see text for details). The qPCR efficiency and coefficient of determination (R 2) of the standard curves were calculatedBack to article page