Test pour la recherche des antibiotiques dans le lait (Essai sur disque à phase inversée)

Abstract - The principle and details of a new test for detecting antibiotics in milk, called the "reverse-phase disc assay test", are described. This test was designed to provide flexibility in field testing for antibiotics. Storage temperature no longer exerts a great influence on seeded bacteria because nutrients are eliminated from the agar and deposited on test disks instead. Results may be obtained in 6 hours without optical aids and in 2 1 / 2 to 3 hours utilizing microscopic examination.