نتایج جستجو برای: shrimp diseases
تعداد نتایج: 859725 فیلتر نتایج به سال:
Vietnam is one of the largest shrimp exporters in the world. Since 2010, Vietnam has earned about two billion dollars annually through shrimp exports. As a fertile area of greatest potential for agricultural production in Vietnam, the Mekong Delta has been a major contributor to the country's achievements, especially in the agricultural sector. During recent decades, trade liberation along with...
White Spot Syndrome Virus (WSSV) is a double-stranded (305 kb) DNA invertebrate virus (Wang et al 1998) that causes White Spot Syndrome (WSS) in almost all commercially available crustaceans. Though 22 different viruses are known to cause diseases in shrimp (Hsu et al 2000), WSSV is particularly of great interest to cause mass mortality in 3-10 days of disease blitz. The estimated annual global...
The development of shrimp aquaculture in Mexican coasts of the Gulf of Mexico began to be explored using the Pacific white shrimp Litopenaeus vannamei in the mid 90's. Many concerns over the risk of disease transmission to the economically important native penaeids, have been the main deterrent for the aquaculture of L. vannamei in the region. Concurrently, more than 10 years of research experi...
This study investigated the contribution of shrimp stocks in supporting the production of valuable predator species. Fishery-independent data on white shrimp, brown shrimp, and selected fish species (spotted seatrout, red drum, and southern flounder) were collected from 1986 to 2014 by the Texas Parks and Wildlife Department, and converted to catch-per-unit effort (CPUE). Here, the associations...
Grazers can reduce epiphytic algal loads on submerged aquatic vegetation (SAV) and indirectly alter biotic interactions among epiphytic algal groups. In the present study, we elucidate responses by 3 major epiphytic functional groups (diatoms, rhodophytes, and chlorophytes) to grass shrimp Palaemonetes spp. addition and nutrient addition during 3 growth stages of the ephemeral estuarine SAV, Ru...
Brine shrimp are aquatic crustaceans belonging to a genus of Artemia. This organism is widely used for testing the toxicity of chemicals. In this study, brine shrimp were evaluated as an infection model organism to study bacterial virulence. Artemia nauplii were infected with various pathogenic bacteria, such as Vibrio vulnificus, Pseudomonas aeruginosa, Burkholderia vietnamiensis, Staphylococc...
Pacific white shrimp (Penaeus vannamei or Litopenaeus vannamei) is native to South America, high economic value, and widely cultivated in the world Vietnam. Over last two decades, viral diseases have seriously threatened aquaculture industry. Among diseases, spot syndrome virus (WSSV) most important pathogens of farming. WSSV causes a cumulative mortality can reach 100% within 3–10 days. Genome...
Despite the great commercial success, Pacific white shrimp Litopenaeus vannamei farming has suffered economic losses due to impact of viral diseases such as White Spot Syndrome. Among innovative approaches mitigate diseases, one most promising is manipulation eukaryote process known interfering RNA (RNAi). This natural mechanism can be induced improve degradation transcripts, through double-str...
There are about 100 penaeid shrimp species in China’s coastal waters, of which a dozen Penaeus spp. and Metapenaeus spp. have commercial value (Liu 1989a). The main species cultured in China are Penaeus chinensis, P. monodon, P. japonicus, P. merguinsis and P. penicillatus. Chinese shrimp farms are distributed along almost 18,000 km of coastline from Hainan Province in the tropics to Liaoning P...
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