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Fig. 5 | BMC Genetics

Fig. 5

From: Genome-wide characterization of copy number variations in the host genome in genetic resistance to Marek’s disease using next generation sequencing

Fig. 5

a PCA plot based on the first two principal components in all the nine chicken lines. These nine lines were clustered to four approximate groups, as indicated by dashed circles, which were consistent with their susceptibility to MD. b Histogram plot of MD incidence (%) rate. MD resistance in chickens is generally evaluated with MD incidence (induced gross tumors by MDV) and survival days post MDV challenge. The calculation was done as the ratio of number of birds with tumors/total number of birds challenged within each of the lines multiplied by 100 (cited from Xie et al. [27])

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