FIELD: chemistry.
SUBSTANCE: invention concerns biotechnology and veterinary. Peptide includes sequence GnRH SEQ ID NO:1 or SEQ ID NO:2 and ensure immune response allowing differentiation of GnRH-I and GnRH-II and testosterone content not determinable after vaccination. Also invention claims vaccines including such peptide, its antibody and peptide application in pharmaceutical composition production. Invention can be applied in veterinary and cattle breeding for vaccination related to natural GnRH function.
EFFECT: obtaining peptide for differentiation of GnRH-I and GnRH-II and testosterone content not determinable after vaccination.
15 cl, 10 dwg, 5 tbl
