FANWAY twin screw fish feed extruder 500-550kg/h

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Common Fish Diseases & Caused Reasons

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There are literally hundreds of afflictions that can effect the health of farm fish. The most common maladies seen in home aquaculture production are usually either bacterial, parasitic, or viral diseases in origin. Fungal infections are also sometimes seen, and occasionally physical ailments. Common Fish Diseases & Symptoms in Freshwater Cultured Fish 1. Bacterial Disease Bacterial diseases are caused by the infection of bacteria in fish body. Bacterial hemorrhagic disease is most likely to harm grass carp. In early stage of illness, fish will show signs of bleeding, which usually occurs in the fin base, gill cover, mouth and lower jaw, if it continues to develop the fish body will have bleeding, the abdomen will be expanding, and red spots will appear at liver and kidney. While Gill rot disease is most likely to harm grass carp and common carp. In early stage of illness, the fish will loss of appetite, the head will go black with increased mucus, if it continues to develop...
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Restraining Factors of Fish Feed Water Stability

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As the world feed industry develops continually, the requirements for various indexes of pellet feed have become higher and higher, not only requiring good inner quality (like nutritional property, disease prevention and industry environmental protection, etc.), but also requiring high external quality (like color and taste of pellets, size, diffusion rate and so on). The particularity of living environment requires formula feed with great stability in water, avoiding fast scatter, dissolution and loss, so stability is an important index for quality assurance. Showing influence factors of fish feed pellet water stability as follows: fish feed pellet Mash particle size The particle size of fish feed has a significant effect on the stability. On the one hand, if the fineness of pulverization is large, it is easy for water to permeate pellet feed and cause scattering; on the other hand, grinding particle size also has definite influence on process flow, such as mixture and temperin...
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Fish Disease Treatment and Prevention Measure

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Fish Disease Treatment Strategies 1.Treatment strategy of bacterial diseases There are two kinds of bacterial diseases: bacterial hemorrhagic disease and bacterial Gill disease. Bacterial hemorrhagic disease is a common disease of freshwater fishes, in the early stage, mild bleeding symptoms will appear in both sides of the fish body and mouth, as well as the fin base and the upper and lower cheek, later it will find the bleeding in the fish body, some fish scales will appear erect phenomenon, fish belly will appear swollen phenomenon, this needs to be treated with drugs, can use the aerator to put chlorine such dags into water. Bacterial Gill disease, under normal circumstances, you can use Calcium lime to clear the fish pond, or add drag into fish feed. 2.Treatment strategies for parasitic diseases For Ichthyophthirius disease, need to use special drag, and continuous to use 3 to 7 courses before they can completely eliminate. A mixture of pepper and ginger can also be pou...
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