What kind of koi has spirituality, the secret of adult fish culture
1. Stocking time
Mid and late May.
two。 Fish species specification
The body length is greater than or equal to 5cm.
3. Fish disinfection
Disinfect the fish by the following methods before releasing them:
① 5% saline solution, washing 5-10min
② 5-10mg/L potassium permanganate solution, washing 5-10min.
4. Specifications and stocking density of culture ponds
Aquaculture pond specifications: the area of the cement pond is 50 mur100m ², the depth is 120-125cm; the pond area is 2000mur3500m ², the depth is 180-250cm.
Stocking density: the density of cement pool is 30mur40 / m ².
5. Feed
The feed is mainly compound feed, and the feeding amount should be adjusted according to the season, weather, water quality and fish intake.
6. Daily management
Patrol the pond once a day in the morning, middle and evening to observe the changes of water quality, fish activity and feeding.
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How to score koi, the essential nutritional requirements of koi
1. The growth of protein and amino acid koi needs high quality protein, and there are all kinds of essential amino acids in high quality protein and the proportion of essential amino acids is appropriate. The physiological function of fat and fatty acid fat is to provide energy for koi.
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Three minutes to teach you to choose and buy koi, Zhaohe tricolor brocade carp seedling screening skills
Screening skills of Zhaohe tricolor brocade carp fry it is very important that the fry of Zhaohe tricolor should be selected for the first time within 3-15 days of birth. The seedling that grows into Zhao and tricolor finally is grayish black, this grayish black seedling growth will be weaker, the quantity is also less, and its.
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