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How to Effectively Treat Nocardia Disease in Largemouth Bass
In recent years, the occurrence of Nocardia disease has shown an increasingly worsening trend; the size of affected fish is getting smaller and smaller, the condition is becoming more and more serious, and the mortality rate is also getting higher and higher. It is understood that Nocardia is mainly saprophytic, especially abundant in decaying chilled fresh fish, so Nocardia disease is mostly seen in
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What kind of bacterium is Streptococcus suis? Understanding the characteristics of this pathogen
Streptococcus suis belongs to the genus Streptococcus. The cells are round or oval, less than 2.0 mm in diameter, generally arranged in chains or in pairs, and stain Gram-positive. The colonies are small, grayish-white and translucent. Most pathogenic strains are capable of hemolysis. Streptococcus suis has 35 serotypes (1-34, 1/2) as well as some untypeable strains. Among them, the four serotypes 1, 2, 7 and 9 are highly pathogenic. Muramidase-released protein (MRP) and extracellular factor (EF) are
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How to prevent and treat Eubacterium suis infection in pigs? A full analysis of methods and measures
Eubacterium suis (formerly known as Corynebacterium suis) is widely distributed in nature, and most strains are non-pathogenic; only a few are pathogenic and can cause acute or chronic infectious diseases in humans and animals. It is generally characterized by purulent or caseous pathological changes in certain tissues and organs. Clinically, it mainly causes urinary tract infections in sows. Pathogen and epidemiological characteristics: Eubacterium suis is a pleomorphic large bacillus. It ranges from spherical to rod-shaped, and the longer bacterial cells are swollen at one or both ends into a club shape, occurring singly or arranged in palisades or clusters. It is Gram-positive, with no flagella, capsule
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