Among infectious diseases most common diseases of bacterial origin: aeromonosis and Pseudomonas.
Aeromonosis.The causative agent is aeromonad – motile gram-negative bacteria p. Aeromonas (A. hydrophila, A. sobria) related to SEM. Vibrionaceae. Hits all the main types of pond fish (carp, white Amur, carp, crucian carp). The factors contributing to the development of fish are the sharp increase in water temperature, low fatness of the fish, dense planting, poor feeding, high content of organic matter, the trauma to the fish.
Aeromonosis is acute, subacute and chronic. The acute form is observed in the spring and summer and can be accompanied by mass death of fish (70%). The disease manifests itself in the form of serous-hemorrhagic inflammation of the skin and is characterized by edema, ekzoftalm, enlarged abdomen, aresenium scales. At autopsy in the abdominal cavity detect the exudates (clear, yellowish or bloody fluid), peritonitis, hemorrhagic inflammation of the intestines, degeneration of the internal organs (increase, discoloration, foci of necrosis). Continue reading
Dangerous inhabitants of the red sea
The red sea is considered the most beautiful sea in the world. It really impresses by its variety of colors and shapes. However, not everyone knows about the dangers you may encounter, neglecting the basic rules of conduct in the sea. In this article we wanted to tell You about the inhabitants of the red sea that can be dangerous, how to avoid and how to deal with the consequences, if You still got hurt.
Sharks in the Red sea are found the great white shark, grey reef shark, silky shark, black tip reef shark, oceanic white tip shark, silver tip shark, nurse shark, reef white tip shark, hammerhead shark and leopard shark. In the territorial waters of Egypt are not many, they are home to the coast of Sudan. Near the beaches, hotels shark You are unlikely to see, they like more calm places.
Sharks of the red sea is typical for their numerous family. Meeting them does not Bode well. So the principle is one to stay away from them and all will be well. However, in recent years, many researchers prove that sharks are not aggressive. They just don’t need to provoke. Continue reading
Japanese cuisine has become so popular in the former USSR, and perhaps in deaf villages appear sushi bars and restaurants. Is there (in the sense is there and can it is) “our” Japanese cuisine is still an open question, but with traditional products, this world-famous culinary school will learn is worth it! Among its more exotic products perhaps the most outlandish is flying fish ROE – tobiko.
Marine fish from the family of Flying fish are included in the squad of Organoborane. The collection includes about eighty species, with a common distinctive feature: the ability to perform hovering flight above the waves thanks to the peculiar structure of the body and internal organs.
All flying fish live in tropical seas with a water temperature not below 20-23 degrees. The greatest diversity of species occurs in the Indian ocean and the Western Pacific. Some species are found only in the coastal zone, while others prefer the open ocean. They gather in small flocks that are kept near the water surface. They feed on small sea animals, of fish larvae, plankton. Breed of small red-orange caviar, with a diameter not exceeding 0.8 mm, which is attached to algae or any floating object. Continue reading