Dog sperm looks like small, tadpole-shaped cells that are approximately 0.1 mm in length. The Scientists have discovered that the color of dog sperm can vary significantly among different breeds. Some dogs have sperm that is clear or white, while others may have sperm that is yellow, orange, or even green. A healthy dog’s semen is white to whitish-gray in color. If the semen is yellow, it is not a cause for concern, but it may be a sign of an underlying medical condition. Typically, vets collect the sperm from dogs using sterile specimen cups or tubes. .

what color is dog sperm