is_manufactured_by has function has role has component immunizes recipient Equus caballus licensed horse vaccine preventive vaccine function prophylactic vaccine licensed vaccine role contraceptive vaccine Equity vaccine Oliver He Equity vaccine Equity Oestrus Control Vaccine for Horses is prepared from an analogue of gonadotropin releasing factor (GnRF) linked to a carrier protein. It has an adjuvant that enhances the level and duration of the immune response to GnRF with minimal injection site reactivity. It is used as an aid in the control of oestrus and oestrus-related behaviour in fillies and mares not intended for breeding. Peptide-protein conjugate and proprietary adjuvant (immunostimulating complex); control of estrus and estrus-related behavior Equity Oestrus Control Vaccine for Horses WEB: https://www.pfizeranimalhealth.com.au/products/352/equityreg-oestrus-control-vaccine.aspx LHRH Pfizer Animal Health