1. BT peptides producing B. laterosporus strain with reduced spore-forming ability, showing a survival rate below about 3.5 × 10 after exposure to a temperature of about 50 ° C. for 5 minutes. The peptide-producing BT strain B. laterosporus with reduced spore-forming ability according to claim 1, characterized in that its survival rate is below about 1 × 10.3. The peptides producing BT strain B. laterosporus with reduced sporulation ability according to claim 1, characterized in that its survival rate is below about 1 × 10.4. The peptide-producing BT strain B. laterosporus with reduced spore-forming ability according to claim 1, characterized in that its survival rate is below about 1 × 10.5. The strain with reduced sporulation ability according to claim 1 is a strain MYG11 (PTA-12310), a strain MYG107 (PTA-12309), a strain MYG110 (PTA-12308) or a strain MYG113 (PTA-12307) .6. A method for inactivating a BT peptide-producing B. laterosporus strain with reduced sporulation ability according to any one of claims 1 to 5, comprising exposing the B. texasporus cell culture to a stress factor sufficient to inactivate the cells. The method of claim 6, wherein the stress factor is selected from the group consisting of starvation, temperature shock, dehydration, pH changes, alcohol treatment, surface-active treatment, pressure treatment, enzymatic degradation, mechanical stress, and a combination thereof. The method according to claim 6, including reducing the level of survival of the culture producing peptides BT B. laterosporus peptides to a level below about 1 × 10.9. The method according to claim 7, characterized in that the stress factor is selected from the group comprising heating the cells to at least1. Продуцирующий пептиды BT штамм B. laterosporus с пониженной способностью к спорообразованию, демонстрирующий уровень выживаемости ниже приблизительно 3,5×10после воздействия температуры около 50°C в течение 5 мин.2. Продуцирующий пептиды BT штамм B. laterosporus с пон
