CATDOLL : CATDOLL: Is yellow powder harmful to fish?

1. Is yellow powder harmful to fish?

Expert Answers

Yellow powder has certain side effects on fish, but as long as it is not used in large quantities, it will not kill the fish.

Yellow powder, also known as furazolidone powder, is a common antibacterial drug and is usually used when fish are sick.

Try not to use it when the fish is not sick to avoid the fish developing drug resistance.

After the fish becomes sick, the breeder should not use medicine immediately. Instead, he can try mild methods such as raising the temperature, adding salt, and oxygenating to alleviate the disease.

Knowledge expansion

Yellow powder is more suitable for treating fish diseases, and the method of use is relatively simple. You can first determine the concentration, then add water to split it, and finally pour it directly into the water. If the fish's disease is not serious, the concentration can be one in fifty thousand. It is best not to pour it into the fish tank, you can put it in a separate container for a medicinal bath. In addition, yellow powder can also be mixed into the fish's food, with 0.1-0.2 grams of medicine for every 5 kilograms of feed. If it is to prevent the disease, it can be fed once every half a month. If it is to treat the disease, it needs to be fed every other day.

2. The turtle I raised at home was sick. There were small white spots on its back. When I brushed it with a brush, the spots broke and started bleeding.

If the skin is cracked, do not use a brush, as it will hurt the skin.

Soft-shelled turtles are prone to this disease, which is difficult to cure. I suggest you eat it as soon as possible. If you want to cure it, go to the fish store and buy some yellow powder, put it in water and soak it. . .

There are two situations in which the turtle's shell rots: one is perforation disease, with holes on the carapace, and the other is skin rot, with rotten skin on the carapace. Both are caused by bacteria infecting the turtle. There are two ways to deal with it: 1. Improve the water quality, 2. Disinfect.

3. How to treat the redness and ulceration of the turtle’s abdomen?

Chang Jiru ① Isolate and raise the sick turtles in the wild (density less than 1 turtle/m), spray them with 0.1-0.2 mg/L glutaraldehyde or Bacillus Clear every 2-3 days, repeat 3-4 times, and it will be cured after one month.

② Add one Fish Liver Baonaiqi package or Fish Disease Kang package + 25g Sanhuang powder + 50g Fangcao Multivitamin or 50g Fangcao Vc to every 100kg of feed for oral administration.

③ Add 500g of Turtle Shrimp Ping + 25g of Sanhuang Powder + 50g of Fangcao Multivitamin or 50g of Fangcao Vc to every 100kg of feed for oral administration.

In the early stage of the disease, the mycelium has not yet grown, so no abnormalities can be seen. As the mycelium grows, grayish white cotton-like mycelium appears on the surface of the turtle, which looks like flocs in water and is dense in layers.

Prevention and treatment methods for tortoise shell rot: Strengthen water quality management to prevent the growth of bacteria due to water pollution, disinfect mold regularly, and add vitamin E to the feed to increase the anti-fungal ability of the turtle. After the disease is found, place the turtle in a diluted salt water or baking soda solution for 12 hours to cure it.