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
One decade is of interest to aquarists is one of the most popular groups of fishes viviparous toothcarps of the family poeciliidae.
This is the most diverse group, from all available, including a huge number of species, differing in their simplicity to the content, bright color, peculiar behavior, and, of course the birth.
All this makes the fish attractive and interesting. They are recommended to beginners to gain skills in keeping and breeding. Viviparous fish in natural conditions there are about 200 species that live in both fresh and brackish water in Central and South America.
Some species are found in the Asian part of the Eurasian continent. Today, there are and plenty of types, obtained by artificial selection. The most popular among aquarists are considered as Swordtails, Guppies and Mollies. Continue reading