Incidence and Pollution of Enterotoxigenic <I>Staphylococcus aureus</I> in Milk, Meat and Fish in China

  • JIANG Chang-miao
    College of Animal and Fish Science, Anhui Agricultural University
  • LIU Pei-hong
    Shang hai Institute of Livestock and Veterinary Science
  • DING Jian-ping
    College of Animal and Fish Science, Anhui Agricultural University
  • LIU Xu-guang
    College of Animal and Fish Science, Anhui Agricultural University
  • HU Dong-liang
    Department of Veterinary Medicine, Faculty of Agriculture, Iwate University
  • SHINAGAWA Kunihiro
    Department of Veterinary Medicine, Faculty of Agriculture, Iwate University

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Other Title
  • 中国の動物性食品における黄色ブドウ球菌汚染と分離菌株のエンテロトキシン産生性
  • チュウゴク ノ ドウブツセイ ショクヒン ニ オケル キイロ ブドウ キュウキン オセン ト ブンリ キンカブ ノ エンテロトキシン サンセイセイ

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Abstract

A total of 1, 019 samples of milk, meat and fish and their products were examined for the incidence of Staphylococcus aureus and the production of staphylococcal enterotoxin from strains isolated between 1995 and 1998 in China. Overall, 381 samples (37.4%) were contaminated with S. aureus. The rate of isolation was 46.7% for raw milk, 6.3% for dairy products, 73.6% for chicken meat, 29.5% for pork, 25.0% for beef, 19.5% for meat products and 30.9% for fish and shellfish. None of S. aureus was found in yoghurt and dry milk. Fortyeight (33.1%) of the 145 isolates from milk and dairy products, 61 (29.5%) of 207 isolates from meat and meat products, and 6 (20.7%) of 29 isolates from fish and shellfish produced staphylococcal enterotoxin, types A to E, respectively. The most predominant type was C, followed by A and B.

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