The reasons of drug residues in bulk milk
1999
Kang, J.H. | Kim, J.S. | Lee, W.C. (Konkuk University, Seoul (Korea Republic). School of Veterinary Medicine) | Choi, P.S. (Konkuk Dairy, Seoul (Korea Republic). Department of Dairy Control)
The 102 farms received a positive result of the milk drug residue test were selected to investigate the reasons of drug residues in bulk milk. The most frequent causes of drug residues were milker or producer mistakes (28.4%), failure to observe withdrawal time (21.5%), and withholding milk from treated quarters only (19.6%). Milker or producer mistakes occurred high at the farms having a parlor system (4 cases out of 11 farms), and related to the inadequate records and marking of treated cows. The lack of knowledge on the absorption of antibiotic from treated quarters and its excretion from untreated quarters caused mainly withholding milk from treated quarters only. Among the 91 farms identified the cause of drug residues, most of the route of drug administration was intramammary infusion (81.3%), and mostly drug used for the treatment of cows was beta-lactam antibiotics (57.1%).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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