European Union - English - EMA (European Medicines Agency)

zoetis belgium sa - synthetic peptide analogue of gnrf conjugated to diptheria toxoid - immunologicals for suidae - male pigs (from 8 weeks of age); female pigs (from 14 weeks of age) - male pigs:induction of antibodies against gnrf to produce a temporary immunological suppression of testicular function. for use as an alternative to physical castration for the reduction of boar taint caused by the key boar taint compound androstenone, in entire male pigs following the onset of puberty. another key contributor to boar taint, skatole, may also be reduced as an indirect effect. aggressive and sexual (mounting) behaviours are also reduced.female pigs:induction of antibodies against gnrf to produce a temporary immunological suppression of ovarian function (suppression of oestrus) in order to reduce the incidence of unwanted pregnancies in gilts intended for slaughter, and to reduce the associated sexual behaviour (standing oestrus).