Taisho three-color koi can be bred. Before breeding, it is necessary to select broodstock with robust physique, bright color, crystal clear, pure strain, obvious variety characteristics, clear and distinct stripes and color margins, no blemishes, smooth and neat scales, stable swimming posture, and no fin defects.

In order to ensure a sufficient number of sperm and improve the fertilization rate of eggs. The matching of female fish and male fish is 1:3 or 1:2 and 2:3, and the effect is better. The most suitable breeding age for broodstock, female fish is 4-10 years old; male fish is more than 3.5 years old.