In high-efficiency production systems, young cattle face significant stress from transport, co-mingling and adapting to new environments — all of which can weaken immunity and increase susceptibility to bovine respiratory disease (BRD) and other bacterial challenges. Aureo S 700 combines chlortetracycline (CTC) and sulfamethazine as an aid in maintaining weight gains in cattle experiencing respiratory disease, supporting herd health during vulnerable periods.
Aureo S 700 combines chlortetracycline and sulfamethazine, two bacteriostatic antibiotics that act synergistically. Chlortetracycline inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit, blocking aminoacyl-tRNA attachment to the mRNA-ribosome complex. Sulfamethazine inhibits dihydrofolic acid synthesis by competing with para-aminobenzoic acid (PABA) for dihydropteroate synthetase, reducing nucleotide and DNA formation. Together, they enhance antibacterial activity through complementary mechanisms, providing broad-spectrum control.
