HVT viral loads in the spleen and its relationship with HVT loads in feathers. A HVT loads in the spleen. Each HVT load corresponds to the log10 of HVT genomes number per million cells. Data are shown in Tukey boxes with the medians shown as horizontal bars. Four birds had null spleen loads: He02, He03, He04, and Nu03. B Relationship between HVT loads in spleen and feathers at week 41. A correlation analysis by lines was performed through Spearman test with a Holm’s adjustment of p-values. Fa line (n = 10), He line (n = 7), Nu line (n = 7), pH line (n = 6). Spearman rho and holm adjusted p-values are indicated for each line.