How to raise and care for Koi fish

Water in koi fish pond

The water in Koi aquarium greatly affects the health of Koi fish, the maximum size of Koi fish can be up to 2m, so the aquarium needs to be large enough for the fish to grow. At the same time, the culture water must be always clean, the ideal pH is 7-7.5pH, the water temperature and the pH of the water if sudden changes can shock and death of the fish, so need to keep the lips stable living environment for Koi, if you want to change the water of the lake, you must change it slowly, should not change once, every 2 days reduce about 1/3 of the volume of the water in the lake, until the water is clear, and Also note that chlorine must be dehydrated before being added to the tank. You can dry the water before 1 day or use activated carbon to remove chlorine.

How to raise and care for Koi fish

Ecosystems in koi fish ponds

 The algae contribute to a good ecosystem for the Koi pond, but if the algae grows too much, it is not good because they will absorb all the oxygen in the water, making the fish not enough oxygen to breathe. Therefore, we need to control the growth of algae in the lake, so plant more aquatic plants such as lotus, water gun ... it is best to create a small waterfall, this waterfall will help circulation. water stream creates oxygen for breathing fish.

Food for koi fish

Koi fish are omnivores, from 3 days of age, after finishing the yolk, they can eat additional foods such as Moina, plankton, egg yolks ..

For half a month, the Koi have moved to eat bottom dwelling animals such as worms and larvae. The change in koi food during this period has greatly affected the survival rate. Therefore, in order to ensure the life of the Koi, farmers need to pay attention to raising the bottom layer creatures, in order to provide enough food for the fish.

From 1 month of age onwards fish to eat small animals such as worms, snails, larvae ... like adults. In addition, fish also eat bran, pea pulp, green manure, flat grain, processed food for fish. On the market today, there are many types of processed foods, but mainly made from rice, wheat flour, corn flour mixed with vitamins and fish meal.

Note that when feeding the fish, it is not recommended to overfeed because it will affect the shape of the fish and the excess food and waste of the fish will pollute the water, not good for the fish. The diet is about 5% of the body weight of the fish, fed twice a day. Fresh foods should be limited, and frozen foods should be avoided to avoid fish pathogens.

Disease in Koi fish

Like all other animals, Koi fish can also get sick. The diseases often appear in Koi fish such as anorexia, pruritus, white spots, skin sores, scales, lips ... when detecting diseased fish, it is necessary to isolate the fish from the school to separate reservoirs for easy monitoring. and avoid spreading orchids to others. You can use special medicines if it is mild, if the disease worsens, you should ask your veterinarian.

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