Figure 5:Process viscosity behaviour as function of the rotational speed –accordingly to equation 10 for different ages (2, 12, 16 and 20 days) of the culture broth of the entomopathogenic nematode Heterorhabditis bacteriophora growth monoxenically: (a) E1, (b) E2, and (c) E3. In all cases the symbol size is related with the average of the alive nematode concentration (Cn) counted before shearing. Data were estimated using a helical ribbon agitator fixed to a Rheometer TA G2 and using mixer principles.