Figure 3.

Goose embryo infected with GAstV. (A) Normal goose embryo chorioallantoic membrane; (B-C) Thickening of chorioallantoic membrane in geese infected with GAstV; (D) normal goose embryo allantoic fluid; (E) There were lumps of urate deposits in allantoic fluid of goose embryo infected with GAstV; (F) There were scattered yellow and white urate crystals in allantoic fluid of goose embryo infected with GAstV; (G) Swelling of goose embryo infected with GAstV; (H) Goose embryos infected with GAstV were small in size and sparsely coated (left), while no significant changes were observed in control geese embryos (right).