Aliseryl WS is a highly effective combination of broad-spectrum antibiotics and vitamins. The product  stimulates egg production, increases growth, improves feed conversion and is used as vitamin supplement during periods of diseases and stress. It is effective against gastrointestinal, respiratory and urinary infections caused by colistin, oxytetracycline, erythromycin and streptomycin sensitive micro-organisms, like Bordetella, Campylobacter, Chlamydia, E. coli, Haemophilus, Klebsiella, Mycoplasma, Pasteurella, Rickettsia, Salmonella, Staphylococcus and Streptococcus spp. in calves, goats, sheep, poultry and swine.