Table 1.

Elemental analysis of Bio-A.

Analysed Parameter	Bio-A
Organic nitrogen (N) %	15.4 ± 0.3
Total carbon (C) %	42.6 ± 1.0
Dry matter %	94.2 ± 2.0
Ashes %	6.6 ± 0.5
pH	5.7 ± 0.5
Total aminoacids %	96.8 ± 3.0
Free aminoacids %	1.8 ± 0.4
Hydrolysis degree	9.2 ± 1.1
Cr (III) (mg/Kg)	40 ± 2
Cr (VI) (mg/Kg)	<0.5 (a)
Salmonella spp	ABSENT
Coliforms (UFC/g)	<10

^(a) Quantification limit of the instrument.