What kind of color is good for koi? what kind of feed do koi eat?

Brocade carp daily feed

Feeding is a problem that needs to be paid attention to. If you feed less, the fish will not get enough nutrition; if you feed too much, the leftover feed will pollute the water, lead to lack of oxygen in the water, and eventually lead to the death of the fish.

How much does it need to be fed? Feeding according to the weight of fish is the most scientific.

According to the research of relevant experts, the most suitable feed for fish is 3% of its body weight. However, it is impossible to weigh strictly in family feeding, so what is the most convenient and scientific way to feed?

According to experience, usually, healthy and normal fish can be full within 15 minutes, so the amount eaten within 15 minutes is the most appropriate feeding without weighing. If you finish eating in less than 15 minutes, it proves that you are fed too little, and you should increase it next time. On the contrary, if you can't finish it in 15 minutes, it means that the amount of feeding is too much and the next feeding should be reduced. If you haven't finished eating before going to bed at night, you should fish out the leftover feed so as not to affect the water quality.

Daily use of feed for brocade carp

The nutrition of fish basically comes from feed, and the nutrition of fish is different in different growth periods. In the four seasons of a year, due to the different water temperature, the digestion and absorption of fish are different, and the feed used is also different. at the same time, the feed used in ordinary culture and color raising is also different.

First of all, feed is selected according to different growth periods. The small fish stage (8 ~ 10 cm) is the stage of body growth, which is mainly used to provide nutrition for fish development. Usually, the content of protein is high, the content of animal protein is equal to that of plant protein, the total amount is about 40%, and the particles are not too big. Too big to eat, generally particles in 1 ~ 2 is more appropriate

When the fish grows to 10 cm, a small amount of hyperchromic feed should be added in addition to the growth feed, but the quantity should not be too much, accounting for about 10 grams of feed. In this way, in addition to growing the body, it also lays a foundation for bright colors in the future.

To 20 ~ 30 centimeters, is the peak period of koi growth, this period if only given into the long feed, will inhibit its growth, at this time should be fed fast long material. The fat content of the fast-growing feed is high, and the nutrition is conducive to the rapid growth of koi and is very beneficial to the breeding of large-scale giant koi. At this time, if handled properly, the body length of koi can increase by 20 to 30 centimeters, that is, from 20 centimeters to 50 centimeters. Fast-growing fish should pay great attention to color preservation methods, because koi in the rapid growth, often the color will fade, especially the red spot, once disappeared, will not recover.

At the same time of feeding fast-growing material, it is necessary to increase the quality of the color-increasing material, in order to keep its color spots and gorgeous. It should also be noted that the most suitable condition for feeding fast long material should be carried out when the water temperature is higher than 25 ℃. If the water temperature is lower than 25 ℃, if you continue to feed the fast-growing material, it is easy to get enteritis.

At present, there are mixed pellet feed prepared by factories in the city, and it is divided into very fine according to the function, so we can choose the feed according to the water temperature and needs.

When the water temperature is above 25 ℃, the metabolism of the fish is fast and the absorption is good. The feed with high protein content can be selected, and the growth rate of the fish will be fast. At this time, the protein content of the feed should be 38% ~ 45%. On the contrary, if the water temperature is below 25 ℃, if you continue to choose the feed with high protein content, the fish will absorb poorly due to slow metabolism. At the same time, it is easy to suffer from enteritis and rotten carp disease. At this time, we should choose the feed containing wheat germ powder, which is easier to absorb.

If the water temperature is lower than 12 ℃, not only can not be fed with high protein content, you can even consider to stop feeding. In addition, the general coloring feed is more effective when the water temperature is high.

In addition, some additives are mixed into the feed. For example, some antibiotics can be mixed into the feed to treat bacterial rotten gills, some traditional Chinese medicine can be mixed into the feed to improve the immunity and disease resistance of fish, and some beneficial bacteria can be mixed into the feed. it can accelerate the growth rate of koi and improve water quality.