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Table 2 Effect of dietary supplementation of essential oils on nutrient digestibility (%) and digestive enzymes activity (U/ml) of broilers at 35 days of age

From: Effects of garlic and lemon essential oils on performance, digestibility, plasma metabolite, and intestinal health in broilers under environmental heat stress

 

CON

GEO

LEO

GLO

SEM

P- value

Nutrient digestibility (%)

 Dry matter

70.8b

73.5a

74.0a

74.6a

1.033

0.013

 Ether extract

72.6

71.9

72.3

73.0

2.411

0.102

 Crude protein

68.1b

70.3ab

72.1a

72.8a

0.883

0.010

Digestive enzymes activity (U/ml)

 Amylase

3.18c

6.52a

4.32b

5.41ab

0.716

0.007

 Trypsin

21.61b

22.08b

20.95b

23.91a

1.128

0.034

 Lipase

9.07b

13.22a

9.51b

13.64a

0.095

 < 0.001

  1. Different superscript letters in the same row indicate significant differences (p < .05)
  2. CON Control group, GEO Garlic essential oil group, LEO Lemon essential oil group, GLO Garlic with lemon essential oil group