Общая биология. Палеонтология

Список источников > Нехудожественная литература > Научная и техническая литература > Естественные науки > Биологические науки > Общая биология. Палеонтология

Ichthyophthirius multifiliis

Автор: Jesse Russell
Год: 2013
Издание: Книга по Требованию
Страниц: 110
ISBN: 9785514509980
High Quality Content by WIKIPEDIA articles! Ichthyophthirius multifiliis (commonly known as freshwater white spot disease, freshwater ich, or freshwater ick) is a common disease of freshwater fish. It is caused by the protozoa Ichtyopthirius. Ich is one of the most common and persistent diseases. The protozoan is an ectoparasite. White nodules that look like white grains of salt or sugar of up to 1 mm appear on the body, fins and gills. Each white spot is an encysted parasite. It is easily introduced into a fish pond tank, or home aquarium by new fish or equipment which has been moved from one fish-holding unit to another. Once the organism gets into a large fish culture facility, it is difficult to control due to its fast reproductive cycle and its unique life stages. If not controlled, there is a 100% mortality rate of fish. With careful treatment, the disease can be controlled but the cost is high in terms of lost fish, labor, and cost of chemicals. Данное издание представляет...
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