The influence sinar-sinar the mengionisasi especially against bahan-bahan biologik in the ability to conduct genetic mutation, already since two years on uhan known (1, 2). To memfaatkan this basic knowledge, do in the radiation with gamma-rays in the silkworm (Bombyx mori) in the hope that can be produced its mutant-mutant of production (natural silk results) higher. Experiments on silkworm is done considering the interests of a very large community Indonesian natural silk production in the recent years. Interest is necessary to get a response and assistance, particularly from graduate-sariana Indonesia, as with this way the needs of the natural silk sebel umnya 100% in -impor from outside-negeri, in whole or in part can disuply of production in the country. Drs. DJOEMANTORO, Dokter Hewan Lektor Kepala Ilmu Kimia Medik Veteriner Fakultas Kedokteran Hewan dan Peternakan Universitas Gajah Mada Y ogyakarta
