Detection of Antibiotic Resideus in Cow Milk by 2, 3, 5-Triphenyl Tetrazolium Chloride (T.T.C.) Test

Kim, Kyo Jun; Kim, Hong Soo; So, Kyung Tack; Chung, Uoon Yeong

Korean Journal of Veterinary Research 1973;13(1):53-56.

Kyo Jun Kim¹, Hong Soo Kim², Kyung Tack So², Uoon Yeong Chung²

¹Department of Animal Husbandry, College of Agriculture, Choong Nam National University
²Choong Nam Animal Health Laboratory

2,3,5-Triphenyl Tetrazolium Chloride (T.T.C) Test에 의한 우유중(牛乳中)의 항생물질(抗生物質) 검출(檢出)에 관(關)하여

김교준¹, 김홍수², 소경택², 정운영²

¹충남대학교 농과대학 축산학과
²충청남도 가축보건소

Abstract

Five hunderds and thirty four samples collected from some farms in Daejeon area were used to determine the antibiotic resideus in milk by T.T.C. test. The results were summerized as follows: 1) Among 250 random samples tested for one month, positives were 18.4% and suspects 21.2%. Another 122 sampls were divide into 3 groups with interval of 3 days, and 23% of positives and 36% of suspects were found. 2) From individual test of 162 samples from farms which produced positive milk, 5% of positives and 2% of suspects were appeared. Of the mixed milk 59% of them was found positive or suspect. 3) In order to protect antibiotic residues in marketing milk, milk must be tested with interval of 3 days. And if cows were treated with mastitis drug, it will be better to use the drug with food blue and not to be sold the milk up to 3 days or more after the treatment.