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Duck Egg-Drop Syndrome Caused by BYD Virus, a New Tembusu-Related Flavivirus

Figure 2

The course of natural disease.

Representative of the average feed uptake of the infected flock at Farm 1 (A); Daily egg production rate represented by two infected duck farms (B). The flocks at Farm 1 were 35 weeks old, and Farm 2 flocks 1–4 (Farm 2-F1, -F2, F3, -F4) are four different flocks (76 weeks old) at another representative farm.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0018106.g002