MilkSafe™Desktop ReaderApp and Portable ReaderMini IncubatorTest kits MilkSafeTM 2BCRapid test for antibiotic residues in milk testing for Beta-lactams (including Cephalexin). Click here to download brochure. MILKSAFETM 3BTcRapid test for antibiotic residues in milk testing for Beta-lactams (including Cephalexin) and Tetracyclines. Click here to download brochure. MILKSAFE TM 3BTSRapid test for antibiotic residues in milk testing for Beta-lactams, Tetracyclines and Sulfonamides. Click here to download brochure. MilkSafeTM 4BTSCRapid test for antibiotic residues in milk testing for Beta-lactams, Tetracyclines and Streptomycin and Chloramphenicol. Click here to download brochure.