Used to dye the dilute semen
•Semen dyes are used to easily identify particular breeds, specific donors or the week day of collection
•All dyes have been carefully tested to be nontoxic on sperm
•Users may determine the amount of dye to be added to the semen doses
•A light but obvious color is sufficient to identify the donor, genetic line, day, etc
•Capacity：20ml
•Colour: red, blue, green, yellow
