نتایج جستجو برای: shrimp diseases
تعداد نتایج: 859725 فیلتر نتایج به سال:
Vibrio parahaemolyticus is one of the most common foodborne pathogens in Asian countries. V. parahaemolyticus contamination of retail shrimp in China has been reported previously, and such contaminated shrimp have been linked to outbreaks of foodborne diseases. However, to date, the prevalence of V. parahaemolyticus in retail shrimp in China has not been determined. This study aimed at identify...
Bacterial diseases have been reported to be the major limiting factor in shrimp production. The use of natural products such as antimicrobials has been reported as a solution to the problem. The crude extract of a red seaweed Laurencia snyderiae obtained from the Persian Gulf was evaluated for shrimp growth performance and to determine in vivo efficacy of this seaweed in the prevention of shrim...
Development of shrimp farming has been associated with the incidence of fatal diseases including viral, bacterial and protozoan parasites of shrimp. Our study was aimed to present an status of several important protozoan parasites of F. indicus in cultured earthen ponds in Iran during the period of 2011 to 2012. One hundred live shrimp were randomly prepared from the Shrimp Helleh Station in s...
Background & Objectives: White spot, as one of the infectious viral diseases, has made severe losses in shrimp ponds all over the world. Despite extensive efforts made to deal with and control the disease, white spot continues to be a major health problem in shrimp farms across Iran. In this work, the significance of the risk factors of white spot disease epidemic occurred in shrimp ponds o...
RNA interference (RNAi) has recently become a promising strategy for therapeutic of several viral diseases including those in the black tiger shrimp Penaeus monodon. However, the protein components that play role in RNAi in P. monodon have not yet been identified. Here, we report the cloning and functional characterization of a cDNA encoding Argonaute, a principal constituent of RNAi pathway in...
To analyze the effects of ambient microbiota on gut Pacific white shrimp, Litopenaeus vannamei, at different aquaculture stages, shrimp and water sediment stages were collected analyzed through high-throughput sequencing 16S rDNA. Our results showed that various alpha-diversity indices late stage (LAS) significantly higher than those early (EAS). The average degree co-occurrence network constru...
Shrimp cultivation faced serious problems with diseases caused by viruses and bacteria causing severe economic losses. Of the bacterial infections, Vibrio parahaemolyticus, have been frequently associated with fatalities both, in hatcheries and grow out ponds. V. parahaemolyticus is pathogenic to human besides fish and other aquatic lives. For systematic bacteriological examination of aseptical...
White spot syndrome (WSS) is a viral disease which affects most of the commercially cultivated marine shrimp species all over the world causing significant losses. Deaths occur within days of symptoms and affect a diverse range of commercial crustacean species. A heavy mortality is usually observed in the entire infected population. Survival rates can be anywhere from 30% to zero. Consequently,...
We contend there are currently two competing scenarios for the sustainable development of shrimp aquaculture in coastal areas of Southeast Asia. First, a landscape approach, where farming techniques for small-scale producers are integrated into intertidal areas in a way that the ecological functions of mangroves are maintained and shrimp farming diseases are controlled. Second, a closed system ...
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