This study authenticated fish feed sources and determined lard adulteration using dataset pre-processing, principal component analysis (PCA), discriminant (DA) partial least square regression (PLSR) on 19 triacylglycerols (TAGs) 16 thermal properties (TPs). At cumulative variability (90.625%) Keiser-Meyer Olkin (KMO) value (0.811), the PCA identified 10 TAGs 3 TPs with strong factor loading. Th...