Device for artificially inseminating a mammal

A device for artificially inseminating a female animal with sperm from a male breeding animal, the device configured to introduce sperm through a vagina of the female animal into or onto a uterus of the female animal which is to be inseminated, said device comprising a tube which can be moved to the uterus through the vagina of the female animal which is to be inseminated, and a heatable chamber for accommodating a thin tube containing sperm and opening towards a proximal end of the tube, and a drive configured to remove sperm from the thin tube and from a uterus-sided opening of the tube, wherein the drive is further configured to move the thin tube from the heatable chamber into the tube, the drive having a piston movable from a side facing away from the tube into the heatable chamber and through the heatable chamber into the tube, said device further comprising an optical sensor configured to analyze a density of living sperm cells in the thin tube, and wherein the piston is formed by an elastically flexible wire, wherein a portion of the wire is wound on a roller.