This Standard is intended to establis the process for determining the levels of antibiotics - chlortetracycline, oxytetracycline tetracycline - by the microbiological method by diffusion over glucose, in animal feed.
NP 2264-1987 history
1987NP 2264-1987 Animal food. Determination of chlortetracycline, oxytetracycline and tetracycline content, agar diffusion biological method