题目内容:
Which developmental stage of Isospora suis is infectious? ()
A.Unsporulated oocysts
B.Sporulated oocysts
C.Cysticercoid
D.Merozoite
参考答案:
Which developmental stage of Isospora suis is infectious? ()
A.Unsporulated oocysts
B.Sporulated oocysts
C.Cysticercoid
D.Merozoite