1, look at the body type: the choice of koi first depends on the body type, the best body type is generally plump and round, good figure. This kind of Koi is relatively healthy, active in grabbing food, strong resistance, and not easy to get sick. In the actual selection can focus on the mouth and tail tube, the head from the eyes to the mouth of this section of the semi-elliptical koi is the best.
2, look at the color: Koi as a common ornamental fish, in addition to good shape, but also good color. It is recommended to choose pure color, thick and oily. If the color is not pure and variegated, it is not a high-quality color. And the color is thin, the color is very light, it is difficult to reflect its gorgeous. This color quality is very poor, with this color quality of Koi are generally not healthy Koi.
It is generally difficult to distinguish small koi less than 10 centimeters. In the fry, some koi's color spots are not obvious, and some will have bleeding. The quality of the fish is not good, the color spots on the body will also have the situation of receding. Specially in the latter half of the stain, often in the long to a certain extent after no. When choosing Koi, it is more recommended to choose adult Koi with straight back, balanced body, correct swimming posture and active food grabbing. This kind of Koi is healthier and easier to raise.
During the culture period, water needs to be changed frequently, usually once or twice a week. In addition, it is necessary to ensure appropriate temperature and proper feeding. It is best to keep the temperature at about 25 degrees. When feeding, we can not only feed a kind of feed monotonously, but also need to add animal feed. Generally, animal feed is fed twice a week.
