“…However, Wedekind et al (2020) suggested that exogenous protease was more effective in diets containing high trypsin inhibitor levels. Another possible reason could be the differences in protein solubility between the 2 soybean sources ( Zhao et al, 2022 ). The uplift of AAs observed in fermented soybean meal ( P < 0.001) and other types of soybean meal could be due to the destruction of macromolecular proteins, the deactivation of anti-nutritional factors, or a combination of both factors during the fermentation process ( Bao et al, 2014 ).…”