Fig. 4. Clinical scores of chickens after inoculation with UPM/FAdV/420/2017 via the oral and intramuscular route of inoculation. Values indicate the mean clinical score per group per day. The error bars indicate standard error. Asterisk (*) mark a significant difference in score between groups (p < 0.05). FAdV, fowl adenovirus; IM, intramuscular.
