Oxytetracycline is a broad-spectrum antibiotic that inhibits protein synthesis in microorganisms by binding to the 30S ribosomal subunit, halting bacterial growth (it is a bacteriostatic antibiotic).
Rotet 100 is effective against gram-negative bacteria, including various species of Pasteurella, Salmonella, and E. coli, as well as gram-positive bacteria such as Staphylococcus, Streptococcus, and Clostridium species.
It also acts on other microorganisms, including Mycoplasma, Rickettsia, Chlamydia, and certain protozoa.