Table 3.

Sperimental data obtained from bovine and buffalo colostrum on contaminated field samples

Kit	Matrix	Average yield	LOD IS900 target copy/μl	LOD UFC/ml
Nucleo Spin Food kit (Macherey Nagel)	Bovine milk	15 ng/μl	4.11 × 108−3.9	2.3 × 109−26
Nucleo Spin Food kit (Macherey Nagel)	buffalo milk	46.38 ng/μl	3.7 × 108−3.82	2.6 × 109 −3.82
Nucleo Spin Food kit (Macherey Nagel) combined with magnetic beads	Bovine milk	10 ng/μl	1.7 × 107−7.7	1.75 × 109−7.7
Nucleo Spin Food kit (Macherey Nagel) combined with magnetic beads	buffalo milk	47.6 ng/μl	3.86 × 106−9.7	2.54 × 109−5