Aeromonosis (German measles) is a disease that causes hemorrhagic inflammation of the skin, accompanied by ulceration, and visceral and abdominal dropsy.
Pathogen — Aeromonas punctate. This movable rod with a polar flagellum, is a facultative aerobe. Spores and capsules do not form it.
Ehpizootologicheskaja data. Sick aeromonosis carp, carp, silver and Golden crucian carp, tench, bream, roach, especially under the age of 2 years.
The disease is widely distributed in fish farms European countries, the USA, and also in the CIS and the Russian Federation. It usually occurs in the spring and summer (may—June). Fish kills there may be up to 25-90%.
The source of the pathogen are sick individuals, individuals-microporosity. Continue reading
Leaving for a vacation on Cyprus, we are looking forward to the moment when he will be able to soak up the sunshine and swim in the sea. But sometimes it happens that a long-awaited vacation can ruin an unexpected meeting with some sort of inhabitant of marine coastal waters. Who and where can be found in Cyprus, will tell our article.
Speaking about the beaches in General, remember that beaches can give you a “surprise”, because that’s what these places are the favorite for many marine species coastal zone. Rocky shore, warm water, algae is what attracts a variety of creatures.
Let’s start our list of “dangers” in the water with polychaetes – worms of fire the Mediterranean sea. They look rather nice and bright and can reach a length of more than 35 centimeters. The greatest danger of meeting with them is poison in the long bristles of these animals. Continue reading
This zlatovest beauty – the first in the history of aquarium fish. Her ancestor is a wild carp. Although she comes from Eastern Asia, the Chinese were the first to appreciate her beauty and started to breed in their ponds. Beautiful vases with goldfish Stavrev the rich quarters.
The Europeans, who at the time would have to contemplate the image of this miracle, was long considered the gold fish, a fictional creature from folklore, a sort of Chinese dragon.
In 1502, the Chinese Emperor issued a law forbidding to all but the Royal family, have Golden carp. By the way, China still walks a lot of beautiful legends about the origin of these “angelic” fish is revived and the tears of a beautiful girl, and fell to the ground the inhabitants of the celestial Palace. Continue reading