In trial 2,
the basal diet was formulated to contain 457.0 g/kg of soybean meal (SBM) and 150 g/kg of poultry byproduct
meal (PBM), the other three diets were made by replacing SBM on an iso-nitrogenous and iso-lipidic
basis with varying cottonseed flours (CSF)which included cottonseed flour (CSF), gossypol-extracted cottonseed flour (ECSF), and glandless cottonseed flour (GCSF).