条件筛选
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How to Choose Koi That Are Easy to Keep? A Master Breeder's Guide to Artificial Propagation
1. Broodstock rearing (1) Broodstock pond specifications The area is usually 1500-3000 sq m, with a depth of 180-200 cm. (2) Selection of broodstock The selected broodstock should all be over 3 years old, with distinct breed characteristics and a strong physique. (3) Stocking conditions Females and males are reared separately, at a ratio of 1:1-2; density is controlled...
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What fish are good to keep with koi? A guide to choosing an aquarium
1. Choosing an aquarium for keeping fish (1) In terms of material, aquariums made in China today generally use one of two main materials: glass and acrylic. The former is heavy and has poor impact resistance, but is inexpensive; the latter is relatively light, has good light transmission and impact resistance, but is expensive.