Detection of Veterinary Antimicrobial Residues in Milk through Near-Infrared Absorption Spectroscopy

Table 4

Explained and cumulative variances of samples of genuine milk and milk collected for 2 days after the cow took the ceftiofur hydrochloride.

PC	Explained variance (%)	Cumulative variance (%)
PC1	99.7444	99.7444
PC2	0.1629	99.9073
PC3	0.0170	99.9243
PC4	0.0153	99.9538
PC5	0.0143	99.9538
PC6	0.0137	99.9675
PC7	0.0114	99.9790
PC8	0.0109	99.9898
PC9	0.0102	100.0000