is_manufactured_by has function has role has component immunizes recipient Bos taurus preventive vaccine function prophylactic vaccine licensed vaccine role licensed cattle vaccine contraceptive vaccine LHRH Vaxstrate vaccine LHRH peptide conjugated to ovalbumin; oil emulsion adjuvant vaccine WEB: http://www.ncbi.nlm.nih.gov/pubmed/1370000 withdrawn in 1996 an anti-reproductive vaccine for cattle. The vaccine is based on the established principle that antibodies to the hypothalamic releasing hormone, gonadotrophin releasing hormone (GnRH) block the action of GnRH on pituitary secretion of luteinizing hormone and follicle stimulating hormone, leading to gonadal atrophy in mammals. The vaccine comprises an immunogenic GnRH:ovalbumin conjugate formulated in a novel double adjuvant system and is administered in a two-dose treatment regimen. Oliver He Vaxstrate Websters Animal Health