Utilization of prolactin for preventing and/or treating the expression of brooding behavior in birds

摘要

PCT No. PCT/FR95/00576 Sec. 371 Date Apr. 28, 1997 Sec. 102(e) Date Apr. 28, 1997 PCT Filed May 3, 1995 PCT Pub. No. WO95/30760 PCT Pub. Date Nov. 16, 1995A pharmaceutical composition for preventing and/or treating the expression of brooding behavior in a bird is disclosed, wherein the composition is comprised of a pharmaceutically acceptable vehicle in combination with one of the following: (a) an active ingredient comprising a hybrid construct comprising a carrier group and a protein, wherein said protein comprises at least one antigenic determinant for bird prolactin; (b) a microorganism which expresses the hybrid construct at its surface, or which excretes the hybrid construct; and (c) antibodies directed against at least one bird prolactin antigen site.