Table 3. Effect of diet supplementation with pine cone extracts on digestive organ weight of semi-broiler Items

Items Treatment1
Control(−) Control(+) PCEE PCEHE
Gizzard (g) 42.46±0.22a 32.11±2.78b 30.69±0.49b 26.67±2.83b
Cecum (g) 7.31±1.63 9.50±3.24 6.90±1.95 6.33±0.47
Small intestine (g) 59.62±2.72a 46.20±4.17b 40.69±4.68b 29.00±1.41b
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).