Effects of Feeding of Two Potentially Probiotic Preparations from Lactic Acid Bacteria on the Performance and Faecal Microflora of Broiler Chickens

Table 1

Mean composition of the probiotic preparations obtained from realkalized fed-batch cultures of Lact. casei CECT 4043 and L. lactis CECT 539.

Composition	CECT 4043	CECT 539
Total sugars (g/L)	16.16	19.71
Nitrogen (g/L)	1.37	1.59
Phosphorous (g/L)	0.07	0.36
Protein (g/L)	6.09	9.15
pH	7.00	7.00
Viable cells (CFU/mL)^1	3.69 × 10^9	3.34 × 10^9
Antibacterial activity (AU/mL)^2	28.85	164.49
Lactic acid (g/L)	33.47	17.54
Formic acid (g/L)	0.10	0.85

¹CFU: colony-forming units.
²AU: activity units.