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KMID : 0359319730130010057
Korean Journal of Veterinary Research
1973 Volume.13 No. 1 p.57 ~ p.62
Studies on Antibiotic Residues in Cow Milk

Abstract
The antibiotics are usually used for the medical treatments or the other purpose for cow and almost of them are transferee to milk. Moreover a serious problems on public health are caused by misuse or overuse of antibiotics
These studies were conducted to determine the rise and fall of antibiotics in the raw milk which is milked from the cow treated with antibiotics.
The number of samples examined were 500 which were taken from 36 cows, and the antibiotics in milk were detected by cylinder plate assay method
The results were as follows:
1) When penicillin, chloramphenycol and streptomycin were infused into a udder, they were detected up to the period of 84 hours, 36 hours and 60 hours after injection in the milk from the same udder, however in the milk from the other udder streptomycin was not detected but penicillin and chloramphenycol were detected up to 72 hours and 24 hours after injection. When streptomycin and penicillin were injected intramusculary, streptomycin was not detected in the milk but penicillin was detected up to 60 hours after injection.
2) When penicillin, streptomycin and chloramphenycol were infused into the udder, the lesser amount of milk was produced, the more antibiotics were detected in the milk.
3) It is necessary policy for the public health to inhibit to be sold the milk up to 3 days or more after the injection on antibiotics or to add food blue to mastitis drugs.
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학술진흥재단(KCI)