Can koi scale disease heal itself? how to tell if the koi is pregnant?

Many people will raise some koi at home. After all, koi not only looks very beautiful, but also has a good meaning. In addition to koi, a disease that can occur all year round in summer, appreciation will be affected if it is not treated in time. So what if the koi at home gets scale disease? How can we tell if the koi at home is pregnant?

Can the scale disease of brocade carp heal itself?

1, can not, standing scale disease (commonly known as fried scales), this disease is the most annoying, the most vicious disease the fastest development of a fish disease, from discovery to complete death is very short, so treatment must be timely.

2. Soak the whole body of diseased fish with potassium permanganate dilution solution. Modulation of potassium permanganate concentration is very important, must not be too strong, because potassium permanganate is a strong oxidant, it is harmful to the gills and internal organs of brocade carp, and is generally not used as a last resort. Be sure to add a little bit (with an ear spoon), add a little stir evenly, and then decide whether you need to continue to add it according to the situation, and then turn the water into a slight lavender. Then put the fish in it for one minute is enough. Once a day for three days.

How to tell if Koi is pregnant?

1. Koi will not get pregnant, and they will have a big belly if they eat too much. Koi eggs are fertilized in vitro, they do not directly give birth to small fish, they only lay eggs, and the eggs laid are not fertilized. Only males who want to be fathers fertilize their eggs can hatch small fish. Unfertilized fish eggs are just like the eggs we usually eat. There is no life in it, just like laying hens will not get pregnant, so female koi will not get pregnant.

2. 5-6cm fish usually do not lay eggs. If it is not an "old fish", there may be something wrong with the internal organs. Generally speaking, koi do not lay eggs until they are 2 years old, and some fish do not lay eggs until they are 3 years old. 2-year-old fish, even if raised in a fish tank, should have more than 20cm, usually 2-year-old fish can reach at least about 40cm body length.

3. Brocade carp lay eggs, usually at a water temperature of about 20 degrees, which is characterized by a larger belly than usual. The spawning time is usually in May or June of each year, and yellow or white eggs stick to the cylinder wall after spawning.

How does brocade carp divide male and female

1. Generally speaking, the female fish's body is shorter and fuller, but the male fish's body is slender. Look at the abdomen, for female fish, the abdomen of female fish is relatively dilated, but the abdomen of male fish is wider and shorter. For females, the head of the female is slightly suffocated narrow and longer, and the forehead of the male is slightly raised, which requires careful observation.

2. Then comes the pectoral fin of koi, which is round at the end of female fish and slightly pointed at the end of male carp. Then wait until the breeding season, in the reproductive season, the difference between female fish and male fish is more obvious, male pectoral fins of the first fin and Gill cover appear a number of white rotten small protuberances, called "chasing stars".

3. After the reproductive season, the chasing star disappears by itself. Male fish reproductive foramen is small and concave, milky semen is gently pressed with hands; female reproductive foramen is slightly wide and flat, slightly protruding, and eggs are released by gently pressing abdomen with hands.

How to raise brocade carp

1. Generally speaking, there are several water sources for us to choose from in nature: Rain Water, river water, lake wave water, well water, groundwater and tap water.

2. Rain Water has a high oxygen content, but because of the serious air pollution, the air contains a lot of harmful substances emitted by automobile exhaust, factories and power plants. Rain Water will dissolve these harmful substances in the descending project, so there is a great risk of using Rain Water, which will damage the fish's respiratory system and abnormal growth and development, so it is best not to use Rain Water to raise fish.

As we can know above, if the koi is pregnant, the obvious characteristic is that its belly is bigger than usual. Koi usually spawn in May or June every year, and yellow or white eggs stick to the cylinder wall after spawning. That's all for you today. I hope these tips can help you.