Fig. 1.

Morphology of sperms of Meleagris gallopavo; A, showing acrosome defects (a) without acrosome, (b) hooked shaped acrosome, (c) acrosome swelling and (d) rounded acrosome; B, showing mid piece defects (a) bent mid piece, (b) irregular mid piece, (c) partially detached mid piece, (d) swelled mid piece, (e) mid piece swelled near neck region, (f) knotted mid piece, (i) without mid piece and (j) spiral mid piece; C, showing head defects (a) bent head, (b) hook shape head, (c) twin head, (d) swelled head, (e) knotted head, (f) short head and (g) larger head; D, showing tail defects (a) double tail, (b) coiled tail, (c) knotted tail, (d) bent tail, (e) curled tail, (f) detached tail and (g) short tail.