离岸悬浮中继以降低牡蛎（弗吉尼亚牡蛎）中创伤弧菌的含量。
Offshore suspension relaying to reduce levels of Vibrio vulnificus in oysters (Crassostrea virginica).
作者信息
Motes M L, DePaola A
机构信息
Gulf Coast Seafood Laboratory, U.S. Food and Drug Administration, Dauphin Island, Alabama 36528, USA.
出版信息
Appl Environ Microbiol. 1996 Oct;62(10):3875-7. doi: 10.1128/aem.62.10.3875-3877.1996.
Abstract
Oysters naturally contaminated with 10(3) to 10(4) most probable numbers (MPN) of Vibrio vulnificus per g were relayed to offshore waters (salinity, 30 to 34 ppt), where they were suspended in racks at a depth of 7.6 m. V. vulnificus counts in oysters were reduced to < 10 MPN/g within 7 to 17 days in five of the six studies. At the end of the studies (17 to 49 days), V. vulnificus levels were reduced further and ranged from a mean of 0.23 to 2.6 MPN/g. Oyster mortalities during relaying were < 6%. The reduction of V. vulnificus in relayed oysters is associated with exposure to high-salinity environments essentially devoid of V. vulnificus. Offshore suspension relaying may be a method that industry can employ to reduce V. vulnificus levels in raw Gulf Coast oysters.
摘要
每克天然受创伤弧菌污染程度为10³至10⁴个最可能数（MPN）的牡蛎被转移至近海海域（盐度为30至34ppt），在那里它们被悬挂在7.6米深处的架子上。在六项研究中的五项研究里，牡蛎中的创伤弧菌数量在7至17天内降至<10 MPN/g。在研究结束时（17至49天），创伤弧菌水平进一步降低，平均范围为0.23至2.6 MPN/g。暂养期间牡蛎死亡率<6%。暂养牡蛎中创伤弧菌数量的减少与暴露于基本没有创伤弧菌的高盐环境有关。近海悬挂暂养可能是该行业可用于降低墨西哥湾沿岸生牡蛎中创伤弧菌水平的一种方法。
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