Table 5. Effect of diet supplementation with pine cone extracts on cecal microbiota of semi-broiler

Items Treatment1
Control(−) Control(+) PCEE PCEHE
Total bacteria (log CFU/g) 8.90±0.19a 8.86±0.06a 7.79±0.15b 8.77±0.18a
Lactic acid bacteria (log CFU/g) 8.11±0.28a 7.49±0.14b 7.39±0.21b 8.08±0.05a
Coliform bacteria (log CFU/g) 7.39±0.14 7.18±0.20 7.87±0.91 7.99±0.10
Salmonella spp. (log CFU/g) 2.69±0.41 3.09±0.30 3.61±0.61 2.45±1.20
Means±standard deviation (n=5/group) in the same rows with different superscripts differ significantly (P<0.05).
Control(−), no antibiotics and pine cone extracts; Control(+), 2% antibiotics (20 g/kg basal diet); PCEE, 2% pine cone ethanol extract (20 g PCEE/kg basal diet); PCEHE, 2% pine cone ethanol-hexane extract (20 g PCEHE/kg basal diet).