Control methods of main diseases of Pelteobagrus fulvidraco

Pelteobagrus fulvidraco is an important freshwater economic fish in China. Pelteobagrus fulvidraco has been cultured in China for more than ten years. It tastes delicious and is favored by consumers. With the increasing market demand, the culture area and density of Pelteobagrus fulvidraco are also expanding, but at the same time, the disease is high and frequent, which seriously affects the production and economic income of farmers. So what diseases will Pelteobagrus fulvidraco suffer in culture? Let's take a look at the detailed introduction of the pro-agricultural network.

1. Water mold

Water mildew is parasitized on the fish by the infection of water mold, and the disease army propagates in the water. When there is external loss in the process of Pelteobagrus fulvidraco culture, the water mold will take advantage of the deficiency. Parasitic on the external wound of the fish, continue to reproduce and grow, when the parasitism began to be invisible to the naked eye, with the passage of time, the hyphae began to grow inward and outward, spread and spread, forming white-gray cotton flocs. Sick fish swimming restless, mental disorders, food intake decline, and finally because of loss of appetite, gradually emaciated and died.

Prevention and control methods: before releasing seedlings, lime powder should be disinfected in time to reduce pathogens, reduce culture and density, prevent fish from being injured by friction when swimming, and be careful in stocking and fishing. Regular disinfection, improve water quality, when the disease with water mold quick gram whole pool sprinkle, once a day, three consecutive days can be cured.

2. Enteritis

Enteritis is a bacterial infectious disease, which is caused by Monosporium aerogenes infection. The main reason is that the feed is not fresh, mildew and spoilage. When the disease occurs, the abdomen of the diseased fish is swollen and the anus is red and swollen. Gently pressing will cause yellow mucus to flow out. After dissecting the dead fish, it will be found that the intestines and stomach are congested and inflamed. In severe cases, the whole intestine is inflamed with light red, and the blood pus is filled with the intestines. After the onset of the disease, the diseased fish will move alone, swim slowly, and their appetite weakens until they die.

Prevention and treatment methods: similarly, we should continue to clear the pond and disinfect, reduce pathogenic bacteria, feed must be fresh, do not feed spoiled or moldy feed, live bait should be fed after disinfection, and the residual bait should be cleaned up in time. Especially in summer, we should also pay attention to control the water temperature, because during the epidemic period, when the water temperature is 25-30 degrees, the whole pool is sprinkled with dibromohydantoin, and then some salt is added to the feed.

3. Hemorrhagic edema disease

Hemorrhagic edema disease is also a bacterial disease, which is a common disease in Pelteobagrus fulvidraco culture. When the disease occurs, the body surface of the diseased fish is yellow, mucus increases, the abdomen is swollen, and the anus is red and everted. In addition, congestion and edema will occur in the chest, fin and back, loss of appetite when the condition is serious, a large amount of blood or yellow gel in the abdominal cavity, a large amount of pus in the intestines and stomach, and high mortality.

Prevention and control methods: do a good job in water quality management, maintain a good culture environment, pay attention to the dissolved oxygen of the water body and culture density, disinfect the water quality regularly, disinfect the water quality at first, and then add appropriate amount of Fluerkang to the feed. the meat bait can be cured by adding the right amount of salt for 5-7 days.

4. Rotifer disease

Rotifer is a kind of parasitic disease, which is the main parasite disease in fish culture. after infection, diseased fish will be restless, dispirited, and food intake will decline. when it is serious, it will swim constantly on the edge of the culture pond. the use of microscope will find that there are a large number of rotifers on the body surface and gills of diseased fish, mainly when the climate is cool in late spring and early autumn.

Prevention and treatment methods: strengthen water quality management, sprinkle 0.7 g cupric sulfate and ferrous sulfate mixture per cubic meter after the attack, once every three days, 2-3 times successively.

The above are the prevention and control methods of the main diseases of Pelteobagrus fulvidraco brought by the pro-agricultural net. I hope it can help you. If you want to know more about fish culture, please pay attention to the pro-agricultural net.