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
Hello friends! How about a wonderful business idea — fish farming?
Like for example, did this brave entrepreneurs from the city of Biysk, you can say at home.
They became interested in artificial fish breeding in the basement of a multistory building, deploying whole rybhoznaya.
Read more how to earn money in the basement, watch the video.
To have real your own pond with fish — the desire of many suburban or suburban residents.
Along with decorative Koi fish, more and more often, interest and cultivation of commodity fish. Fish breeding may occur, i.e. it can be stocking any pond. But it is better before you run the fish, hire a specialist or to come to the fishery and bring the settings of your pond, consult with the farmers. The depth, length, width, and also to determine how many young fish need for breeding in the pond, he felt perfectly satisfied. Continue reading
Types of terrariums
And quarium is a world with its own laws, its people, its landscape. It can be sea and river, it can be populated with exotic fish and a strange shrimp, it can doze sunken Galleons and the lure of the mysterious caves. The aquarium is an entire ecosystem, the knowledge which is infinite, the study of the universe.
Challenging the laws of life behind the glass walls of the aquarium can change depending on what part of the world brought your Pets, which plants planted in the aquarium, which matched the landscape. Some fish species can’t get along among themselves, a difficult combination of conditions, suitable for fish and shrimp. It is not always possible to combine the desirable flora of the aquarium and its population – for example, some plants and fish need water of different hardness, some predators may nibble plants… a Balanced ecosystem – a clear, thoughtful mechanism, and it is not so easy to create!
And the design of the aquarium has its own rules. The background it would look better this or that type of fish? How to design harmonious aquarium? How to combine colors and shades the soil, reefs, plants, fish? Much of the complexity of creating the perfect world! Continue reading