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Spiritual Koi Varieties and Fry-Rearing Techniques
1. Specifications of the fry-rearing pond The cement pond area is 1620 m, with a pond depth of 6580 cm; the pond area is 6001500 m, with a pond depth of 150200 cm and an initial water depth of 60 cm. As the fry grow, new water is gradually added until the depth reaches 120 cm. 2. Stocking density During fry rearing, according to fish growth,...