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These are Tosai which were checked gender 50days ago.
We released 35pcs into 8t pond. We feed them 5 times in a day and supply koi food which is around 1.5% of koi weight. We try to grow them bigger while sunshine become stronger from March to May because we don’t have much sun light during winter. The final size will be different but in our case, it will be around 30 to 40cm.