Figure 4
![Figure 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1297-9716-44-38/MediaObjects/13567_2013_Article_247_Fig4_HTML.jpg)
Box plot presentation of virus neutralization test. Titers (log2) of FAdV-1 specific antibodies from experimentally infected specific-pathogen-free (SPFB) and commercial (CB) broilers as well as respective negative control groups (NSPFB & NCB) at 0, 3, 7, 10, 14 and 17 days post infection (dpi) are shown. Titers ≤ 3 log2 are considered negative.