Teresa Cristina Ruocco Dari

What is the problem of finding E.coli and Clostridium perfringens in the feed after pelleting? Is it the simple presence or concentration of these bacterias? The reason for my question is that, in the gut of healthy birds we found concentrations of up to 10E4 or even higher of E. coli and C. perfringens without causing any problems. According to Disease of Poultry 14th Ed. 2020, the presence of E. ...