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Position: Home > Articles > The current microbial contamination situation and causes of meat meals in China Animal Husbandry & Veterinary Medicine 2015,47 (2) 19-24

饲料用肉粉微生物污染调查分析

作  者：
方思敏;柏凡;郭春华;柏雪;刘少文
单  位：
西南民族大学生命科学与技术学院;农业部饲料质量监督检验测试中心(成都)
关键词：
肉粉;有害微生物;次生污染
摘  要：
2013年10月—2014年9月,通过细菌菌落分离以及生化和血清鉴定,检测了四川、河北、山东、河南、天津等地的肉粉样品中主要的有害微生物。结果显示:50%的样品检出金黄色葡萄球菌(Staphylococcus aureus);25%的样品检出沙门菌(Salmonella),以鼠伤寒沙门菌(Salmonella typhimurium)为主;10.71%的样品检出志贺菌(Shigella),主要是福氏志贺菌2b(Shigella flexneri 2b)和福氏志贺菌2a(Shigella flexneri2a)。随着肉粉在常温下(20~30℃)储存时间的增加,3个月后菌落总数均大于2×106个/g;随着肉粉中菌落总数的增加,酸价也升高(r=0.97,P<0.01)。研究提示,我国饲料用肉粉受微生物污染较严重,易导致腐败变质,也增大了受致病菌危害的风险。
译  名：
The current microbial contamination situation and causes of meat meals in China
作  者：
FANG Simin;BAI Fan;GUO Chunhua;BAI Xue;LIU Shaowen;College of Life Science and Technology,Southwest University for Nationalities;Test Center for Feed Quality Supervision and Inspection of the Ministry of Agriculture-Chengdu;
关键词：
meat meal;;harmful microbe;;secondary pollution
摘  要：
As a high-protein feed made by byproducts from animal,the contamination of harmful microorganisms is the main cause reducing the quality and safety of meat meals. From October 2013 to September 2014,we detected the harmful microorganisms in meat meals from Sichuan,Hebei,Shandong,Henan,Tianjin,Beijing and other places through colonies isolation and serum biochemical identification,and discussed the potential microbial contamination pathways,unify the meat meal processing. The results showed that the Staphylococcus aureus,Salmonella and Shigella were presented 50%,25% and 10. 71%,respectively in all analyzed samples. As the increase of storage time at room temperature( 20 ~ 30 ℃),the total number of bacteria colonies in meat meals were greater than 2 x 106/ g. With the increase of bacteria colonies in meat meals,the acid value got higher( r = 0. 970,P<0. 01). The study found that the meat meals were confronting with secondary pollution of microbial,because of the backward sterilization equipment and unreasonable layout of workshop.

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