How to raise brocade carp fry
Nowadays, many people like to feed ornamental fish, among which koi is a kind of fish loved by people, and koi is still a symbol of auspiciousness since ancient times. So how to raise brocade carp fry?
1. Feeding
Small fish fry are usually relatively fragile, to feed brocade carp fry, we must first pay attention to the food of small fish fry. Small fish fry can be fed with red nematode, soybean milk, milk powder and other food. When the small fish fry grows to more than 20 days, it can be fed with slightly larger food such as bread worms, and when it grows to more than ten centimeters, it can be fed with germ feed, and then to 25 centimeters or so can be fed with germ as staple food, feeding small fish fry.
Second, fish tank
If the number of small fish fry is too large, first check the volume of the container to see if it can hold them. To ensure that in the process of feeding, there will not be fish tank leakage, water leakage and other phenomena. Filtration and whether oxygen can be used for the cultivation of koi, density consumption or use. The reasonable density of koi fry is very important, mainly for the balance of the ecosystem in the water.
III. Water quality
The water for fish culture must be colorless, transparent and free of turbidity; in terms of temperature, the best temperature should be 22: 28 ℃, and the difference should not exceed 2 ℃ as far as possible, otherwise it will directly endanger the health of koi; when the normal dissolved oxygen content reaches 5~7mg/L, it is more suitable for koi culture; koi is suitable for growing in weakly alkaline water, so the alkalinity is about 6: 8.5 is normal. The content of ammonia and nitrogen in water must not exceed 0.1mg/L, otherwise it will threaten the health of koi, ammonia nitrogen and other chemicals are harmful to aquatic organisms, too high content will directly lead to the death of koi.
Koi is relatively easy to feed, relatively simple to raise, and raised at home, can be pleasing to the eye, but also self-cultivation.
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