Doxgenta -TOP infections caused by micro-organisms sensitive to doxycyline and gentamicin like Bordetella, Campylobacter,Chlamycia, E .coli, Klebsiella,Haemohpilus, Mycoplasma, Pasteurella, Rickettsia, Salmonella,Staphylococcus and Streptococcus spp. in calves, goats, poultry ,sheep and swine.