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１９９５年对本省繁育或应用实验动物的１２个单位的９份鼠饲料和１０份兔饲料进行微生物学检测。结果，鼠饲料中菌落总数超标的占２２％，霉菌总数超标的占３３％；兔饲料中菌落总数超标的占５０％，霉菌总数超标的占９０％；两者均未检出沙门氏菌和大肠杆菌。用不同剂量的６０Ｃｏ对兔饲料进行了灭菌试验。结果表明，经５或６ｋＧｙ６０Ｃｏ辐照后兔饲料的微生物学质量能达到ＧＢ１４９２４－９４的要求。
In 1995, microbiological tests were performed on 9 rat feed and 10 rabbit feed from 12 units of breeding or application experimental animals in the province. As a result, the total number of colonies in rat feed exceeded 22% and the total number of molds exceeded 33%. The total number of colonies in rabbit feed exceeded 50% and the total number of molds exceeded 90%. Neither Salmonella nor Escherichia coli . Different doses of 60Co were used to sterilize the rabbit feed. The results showed that the microbiological quality of rabbit feed after irradiation with 5 or 6kGy60Co reached the requirement of GB14924-94.