Photomicrographs show abnormal sperms, (A) clumping, (B) head deformity (arrow), (C) hookless (a) and coiled tail (b), (D) bent-tail (arrow, (E) broken-head (a) neck's defect (n), (F) broken head (a), broken tail (b) and bent tail (arrow), (G) double head (arrow). Slides were stained with haematoxylin-eosin dye. Scale, 100 µm.