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
Fish dishes famous for their nutritional value. Thus, its nutritive value, they can easily compete with the meat, because protein in them, sometimes even more. Doctors say that if you do fish two days a week, we can seriously help your health: heart healthy for longer stays, reduced risk of cancer, increased protection of vessels against atherosclerosis, reduces the risk of problems with cardiovascular system… overall, plus I like food a lot. And what, I wonder, the most useful fish? We will try to know right now.
What marine fish is the most useful
Belongs to the family of Tunas. Tuna meat is widely eaten in Japan, in this country, even in the supermarket for this species a separate counter. Here it is eaten as in the thermally treated form, and cheese. In other countries, tuna is not so popular, and for good reason, because the meat of fish is low-fat, also contains a lot of useful elements, including calcium, phosphorus and large amounts of protein. Continue reading
The beauty of the inhabitants of our seas can sometimes become a terrible force to be a threat to human health. Bright colors in the marine world often serve as a warning to others and talking to interesting enemies kept their distance. Only foolish people can relate to such warning. Such curiosity can lead to many days of treatment.
Bright sea stars, soft transparent jellyfish, a whole carpet of underwater meadows of coral and anemones can arm themselves against the man.
Lovely jellyfish light as a cloud floats past you – don’t touch it, millions of people in the swimming season each year suffer from severe burns. The farther South, the more dangerous species of jellyfish. The most dangerous jellyfish is the Portuguese ship and the Australian sea wasp. Touch the tentacles cause a burn, similar to nettle. The affected area should be processed food vinegar, pain medication and lubricating sintomitsinovoy emulsion. Continue reading