MySheen

What species of koi have spirituality? skills of brocade carp seedling cultivation

Published: 2024-11-06 Author: mysheen
Last Updated: 2024/11/06, 1. The size of the nursery pond is 1620m, the depth of the pond is 6580cm, the area of the pond is 6001500m, the depth is 150200cm, the initial depth is 60cm, and with the growth of the fry, new water is gradually added to 120cm. two。 Stocking density during the breeding period, according to the growth of fish.

two。 Stocking density

During the breeding period, according to the growth of fish, appropriate adjustment and release should be carried out during each selection. The relationship between specific stocking specifications and density is shown in Table 1.

3. Throw and feed

Feed palatable artificial formula feed.

4. Miao Shen graded feeding

The graded feeding was carried out to reduce the production water surface load.

5. Daily management

In the process of seedling cultivation, patrol the pond 5 times a day: early morning, afternoon and night.

6. Seedling selection

The process of seedling cultivation is also a process of selecting the best and eliminating the bad. in addition to regular water change, feeding, inspection and other daily management, it is usually necessary to select seedlings.

(1) Seedling screening for the first time

Fish fry are selected for the first time when they reach 3-5cm.

(2) second selection

When the fry reaches 8-10cm, the second selection is made.

 
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