Experimental and simulated kinetics of key compounds of B. thuringiensis var. kurstaki HD-73. Key compound kinetics: (a) biomass; (b) Poly-β-hidroxybutyrate; (c) Endospores and dipicolinic acid (DPA); and (d) Cry protein. Experimental kinetics of the key compounds (dots) obtained at different glucose and soybean meal concentration. Simulated kinetics of key compounds calculated with the biodynamic model (dotted lines).