是一种大型观赏鱼。最好在锦鲤池里养。它不仅有利于锦鲤的生长，而且可以让锦鲤自由地生活。但很多新人在建好鱼塘后都不知道

If it is a new cement pond, the alkali on the wall of the pond must be removed before use, otherwise it is not suitable for the growth of fish. The method of removing alkali is to fill the pool with 0.25% phosphoric acid solution, wash the pool wall with clean water after soaking for 1-2 days, and then soak it in deep green water for about 10 days. Only when moss grows on the pool wall can the fish be raised. Only when it is confirmed that it is safe and reliable, can the fish be raised. That is to say, only when we know how to raise water for Koi can we raise Koi well in the fish pond

When raising Koi in fish pond, the fry can only be put into fish pond when they grow to 10-20 cm. Generally, a fish pond with a depth of 5 square meters and a depth of 30 cm can raise about 15. This is one of the ways to raise Koi in a fish pond. The bait requirements of Koi are not very strict. It can be fed with artificial pellet bait, such as bread crumbs, water fleas, water earthworms, live snails, clams, Wuping, duckweed, etc. However, it is mainly feed

In the four seasons of the year, the methods of how to raise Koi in the fish pond are different. In early spring, the film should be covered on the fish pond to keep the water temperature stable. In the early spring, the koi just recovered after hibernation, and its constitution was weak. The feed should be increased gradually from a small amount, and some easily digestible plant food should be added to restore its constitution

In summer, the water temperature is high, which is not conducive to the normal growth of Koi. Therefore, it is appropriate to cover the pond with sunlight net. Otherwise, the water temperature of the fish pond will rise rapidly under the strong sun, causing a large number of phytoplankton and green algae to breed, and the water quality will be turbid, which will affect the survival of Koi

However, in autumn, it is the most suitable season for fish growth, so more food should be added and the proportion of animal protein should be increased. In winter, the temperature and water temperature decreased significantly, so it was better to move Koi into the room to keep the water temperature in the range of 0 ℃ to 10 ℃. During the overwintering period, the work of changing water, adding water and removing dirt should be reduced as far as possible to reduce the interference and activities, so as to reduce the energy consumption of the fish during the overwintering period and ensure that the koi can overwinter safely

鱼塘养锦鲤虽然有利于锦鲤的生长，但必须加强鱼塘管理，懂得如何养锦鲤，如何养锦鲤。只有这样才能更好地培养锦鲤

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