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How to distinguish Egyptian pond lice from local pond lice?
1, different distribution areas: The Egyptian pond lice are native to the Nile River system in Africa. China introduced trial culture in 198 1 year, and 1982 was successful in autotrophic breeding in Guangdong freshwater breeding seed farm. Now it has been popularized in most areas of South China and Central China. It belongs to one of the high-yield varieties of freshwater culture in Guangdong and Guangxi. Tangren is distributed all over southern China.

2. Different colors: The catfish with Egyptian beard is black, with ***8 whiskers and a flat head. Tangren is yellow in color.

3, the living environment is different: Tangren likes to live in sewage with strong viability and wide food types. Catfish in captivity can be said to eat anything that can be eaten. Catfish, on the other hand, like to live in clean and flowing waters, afraid of light, like to hunt at night and live in caves when winter comes.

Extended data:

Precautions for feeding the Egyptian pond lice:

1, escape prevention: Silurus meridionalis has strong migration ability, can climb over the sloping pond ridge and escape from the water inlet. Therefore, it is necessary not only to widen and raise the ridge, but also to set up escape prevention facilities. When caves are found in the ridge, they should be filled in time, and they should be patrolled when it rains heavily, so as to prevent fish from escaping because of the high water in the pool and the unstable dam.

2. Live feeding cultivation: Before the pond is cleaned, disinfected and injected with new water, a certain amount of fermented organic fertilizer is applied to cultivate a large number of zooplankton, and then fish species are put in, so that the fish species can have enough animal feed to eat after entering the pond.

3, feed and water quality: feed should be fresh, ensure quality, water quality should be fresh. Do not use feed with rotten and smelly smell, so as not to affect the meat quality of fish and pollute the water quality. Don't pile up fertilizers and feed, so as not to be flooded with oxygen. Can solve the feed source according to local conditions, reasonable collocation, scientific feeding and cost saving. ?

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Baidu Encyclopedia-Egyptian Tanglouse