Blood in a canine ejaculate (hemospermia)
Semen samples from a bull (left) and dog (right), showing differences in opacity and concentration
Double headed sperm (bull; eosin-nigrosin stain)
Misshapen head along with 4 normal sperm (bull; toluidine blue stain)
Elongaged head (bull; eosin-nigrosin stain)Elongated head (bull; toluidine blue stain)
Pyriform (pear-shaped) head and bent, abnormal midpiece (bull; eosin-nigrosin stain)
Misshapen head and proximal droplet (bull; toluidine blue stain)
Proximal droplet (bull; toluidine blue stain)Distal droplet (bull; toluidine blue stain)
Detached head (bull; eosin-nigrosin stain)Bent tail or midpiece (bull; eosin-nigrosin stain)
Coiled tail (bull; eosin-nigrosin stain)
Coiled midpiece/tail in one sperm and proximal droplet in another (bull; eosin-nigrosin stain)
Bent or reversed tail
Tightly coiled tail
Detatched head
Wrinkled acrosome - this may reflect a nuclear problem which prevents zona attachment by the sperm cell. It is a rare condition.
Micromanipulator
Expanded blastocyst
CIDAR
Blastocyst
Collected COCs
4Cell embryo
Compact morula
8Cell Embryo
Hatching blastocyst
One cell embryo with 2 pronuclei
ICSI
2 cell Embryo