The Ogata family is renowned worldwide in the koi scene as the Japanese judge for top quality koi and for the highly valuable koi varieties originating from their Ogata koi farm. Kei Otaga, the son of the family, lives in Germany and knows all there is to know about these subjects. In this lecture he will explain what makes a koi valuable and how the breeding of high quality koi is generally carried out. Fascinating pictures and explanations of the procedures round up this outstanding lecture. This expert is especially good on the tips and tricks needed to influence the koi’s body shape and colouring, a subject he goes into detail with using illustrated examples.