輸入冷凍家禽肉のサルモネラ汚染に関する調査研究

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書誌事項

タイトル別名
  • Studies on <i>Salmonella</i> Contamination of Imported Frozen Poultry Meat
  • ユニュウ レイトウ カキンニク ノ サルモネラ オセン ニ カンスル チョウサ ケンキュウ

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説明

Isolation and identification of Salmonella types were carried out on 1903 lots, or 6523 samples, of poultry meat imported into Japan over a 15-month period from July, 1971, to October, 1972. The following results were obtained.<br>1) The rate of Salmonella contamination of imported poultry meat varied with the exporting country and the kind of domestic fowls. The average rate of such contamination was 10.3 and 24.2% as determined by samples and lots, respectively.<br>2) The rate varied greatly with the exporting country. It was close to the average positive rate of samples for the poultry meat imported from the United States (10.7%) and China (9.3%). It was rather higher for that imported from New Zealand (44.4%), the Netherlands (28.5%), France (26.7%), and Canada (17.6%), whereas lower for that imported from Denmark (3.8%).<br>3) When determined by the kind of poultry, the average rate of contamination in samples was 10.3% for chicken and 10.6% for meat of the other poultry than the chicken.<br>4) When determined by the portion of chicken, the rate of contamination was about 60%, or the highest, in the “communited” portion.<br>5) Isolated organisms were classified into O antigen groups and sero types. A total of 32 types were detected and classified into the C1 group (42.8%), B group (29.0%), and E group (15.8). The first 10 types of them are listed in the decreasing order of frequency as follows: S. infantis, S. anatum, S. typhimurium, S. potsdam, S. thompson, S. heidelberg, S. saint-paul, S. kottbus, S. enteritidis, and S. derby. This pattern of Salmonella types was clealy different from that of horse or kangaroo meat.<br>6) The pattern of Salmonella types detected from poultry meat imported from the United States and some European countries was found to be nearly similar, while there was a marked difference in that from China.

収録刊行物

  • 食品衛生学雑誌

    食品衛生学雑誌 15 (3), 159-176_1, 1974

    公益社団法人 日本食品衛生学会

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