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浙南山区肉用牛羊肝脏中药物残留、重金属蓄积现状及成因探究

Study on the current status and causes of drug residues and heavy metal accumulation in the liver of meat cattle and sheep in the mountainous areas of Zhejiang
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摘要 目的评估浙南山区肉用牛羊肝脏中代表性农药、兽药及重金属元素蓄积情况,并分析成因。方法对来源于浙南山区的162户肉用牛羊养殖场的肝脏中倍硫磷等25种代表性农药、磺胺二甲嘧啶等24种代表性兽药及铅等3种代表性金属元素的残留进行检测,并对从这些养殖场抽取的325份饲草样本开展相应的农药残留和金属元素含量分析。结果162份牛羊肝脏样本中除13份检出除联苯菊酯外,未检出其他农兽药残留,农兽药残留合格率100%,但6份不同来源的牛羊肝脏样本铅或镉残留量不符合食品中污染物限量要求,不符合率为3.7%。在肝脏联苯菊酯呈阳性的场点发现4批次饲草中存在低浓度联苯菊酯残留,牛羊饲草混合物中铜、铅、镉整体水平分别为5.40~8.30mg/kg、0.21~1.53mg/kg和低于0.074mg/kg。结论浙南山区肉用牛羊的肝脏中药物残留符合限量求,检出的联苯菊酯、铅、镉等与其饲草呈正相关。 Objective To evaluate the accumulation of representative pesticides,veterinary drugs,and heavy metal elements in meat cattle and sheep in the mountainous areas of Southern Zhejiang,and analyze the causes.Methods The residues in the liver of 162 meat cattle and sheep farms in southern Zhejiang were detected,which include of 25 kinds of representative pesticides such as parathion,24 kinds of representative veterinary drugs such as sulfamethoxazole,and 3 kinds of representative metal elements such as lead.Meanwhile,the Corresponding pesticide residues and metal elements content analysis were also conducted on 325 forage samples extracted from these farms.Results Out of 162 liver samples from cattle and sheep,13 samples were found to contain no residues of other agricultural and veterinary drugs except for fenpropathrin.The qualified rate of agricultural and veterinary drug residues was 100%,but the lead or cadmium residues in 6 liver samples from different sources of cattle and sheep did not meet the limit requirements for pollutants in food,with a non-compliance rate of 3.7%.Low concentrations of bifenthrin residues were found in 4 batches of forage plants with positive liver bifenthrin results.The overall levels of copper,lead,and cadmium in the mixture of cattle and sheep forage were 5.4–8.3 mg/kg,0.21–1.53 mg/kg,and below 0.074 mg/kg,respectively.Conclusion The drug residues in the liver of meat cattle and sheep in the mountainous areas of Southern Zhejiang Province meet the limit requirements,and the detected bifenthrin,lead,cadmium,etc.are positively correlated with their forage.
作者 胡理明 裘丞军 张航俊 饶凤琴 应永飞 汤丽波 周炜 HU Li-Ming;QIU Cheng-Jun;ZHANG Hang-Jun;RAO Feng-Qin;YING Yong-Fei;TANG Li-Bo;ZHOU Wei(Lishui Center for Animal Disease Prevention and Control,Lishui 323000,China;Zhejiang Provincial Center for Animal Disease Prevention and Control,Hangzhou 311119,China;Zhejiang Provincial Livestock and Agricultural Machinery Technology Promotion Station,Hangzhou 310021,China)
出处 《食品安全质量检测学报》 CAS 2024年第15期294-300,共7页 Journal of Food Safety and Quality
基金 浙江省重点研发项目(2024C02004)。
关键词 肝脏 药物残留 重金属蓄积 cow sheep liver drug residues heavy metal accumulation
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