How to distinguish between male and female koi, selection and feeding techniques of juvenile koi
The selection of juvenile fish is the most important step to obtain high quality koi in the process of breeding. Generally, 4 times of 3mi selection were carried out within more than 3 months after hatching. The selection time varies with different varieties, the speed of growth and the time of appearance of markings.
For example, Zhaohe tricolor koi is selected after more than two weeks of incubation, gold system koi is selected in 50 days, and red and white and Dazheng tricolor koi are selected in about 60 days. In short, the selection begins when the young fish grow to a body length of 3mi 5cm.
The breeding of koi can be divided into the following points:
1. Breeding space: koi can be raised in aquariums or fish ponds because of the environmental regulation of body shape. Don't put too many decorations in the aquarium so as not to hurt the fish.
2. Water temperature: the range of water temperature for koi is 2 ℃-30 ℃, and the most suitable water temperature for life is 20 ℃-25 ℃. In the water at this temperature, koi swim actively, have a strong appetite, have a strong physique and have bright colors. Due to the use of aquarium breeding, so the temperature can be controlled in the range of 20 ℃-25 ℃ throughout the year, so that koi can have a comfortable environment and grow rapidly.
3, bait: special koi feed, 1 kg koi should eat 30 grams of fish food every day, divided into 3 Mel 4 times.
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- Prev
How can koi not die easily? how can koi distinguish between male and female?
The skin of the female carp is whiter and the abdomen is fuller and larger. If the male carp, the hand fin, Gill cover appearance has a spot-like raised small object, you can feel it with your hands. Male carp tend to be more alert when swimming, when they are young, because they become beautiful earlier.
- Next
According to the varieties and characteristics of koi, the brocade carp farm should be selected first.
1. The selection of koi farms must be koi farms with good breeds of carps: there are also various types of koi farms: there are own producers, those who buy and sell them in large quantities from those who own their own industries, and those who operate both. Just choose the brocade you like.
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