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. 2018 Jan 30;2(4):nzy009. doi: 10.1093/cdn/nzy009

TABLE 3.

Effect of magnolia extract dietary supplementation and E. maxima/C. perfringens co-infection on growth performance in broiler chickens1

Days 1–35 Days 18–20
FI2 FCR3 BWG4 FBW5 FI6 FCR7 BWG8 FBW9
Uninfected
 Basal diet 79.3 1.56 50.9 1827.6 116.5 2.02 57.3 593.4
 M/H low 85.8 1.53 56.3 2012.2 109.8 1.78 62.0 688.6
 M/H high 84.0 1.49 56.5 2020.0 107.3 1.71 63.0 703.3
Co-infected
 Basal diet 85.5 1.67 51.4 1843.4 138.5 3.96 36.5 572.4
 M/H low 87.5 1.55 56.2 2010.9 124.3 2.80 48.8 650.3
 M/H high 91.0 1.67 54.9 1963.8 135.8 2.49 50.8 638.8
Pooled SEM 1.50 0.04 1.53 53.5 6.95 0.25 2.61 22.0
Main effect means
 Feed
  Basal 82.4 1.62 51.2 1835.3 127.5 2.99 46.9 582.9
  M/H low 86.7 1.54 56.3 2011.6 117.1 2.29 55.4 669.5
  M/H high 87.5 1.58 55.7 1991.9 121.6 2.10 56.9 671.1
  Pooled SEM 1.06 0.03 1.08 37.79 4.91 0.18 1.85 15.54
 Necrotic enteritis
  Uninfected 83.0 1.53 54.6 1953.3 111.2 1.84 60.8 661.8
  Co-infected 88.0 1.63 54.2 1939.4 132.9 3.08 45.4 620.5
  Pooled SEM 0.86 0.03 0.88 30.86 4.01 0.15 1.51 12.69
Source of variation, P
 Feed 0.0067 0.2946 0.0072 0.0074 0.3389 0.0065 0.0025 0.0335
 Necrotic enteritis 0.0007 0.0088 0.7574 0.7538 0.0013 <0.0001 <0.0001 0.0009
 Feed × necrotic enteritis 0.1943 0.2394 0.7824 0.7831 0.6098 0.0841 0.2329 0.6165
1

BWG, body weight gain; FBW, final body weight; FCR, feed conversion ratio; FI, feed intake; M/H high, 0.56 mg M. officinalis bark extract/kg; M/H low, 0.33 mg M. officinalis bark extract/kg.

2

Average daily FI between days 1 and 35 in g/chicken.

3

FCR between days 1 and 35 in g feed/g BWG.

4

BWG between days 1 and 35 in g/chicken.

5

FBW at day 35 in g/chicken.

6

Average daily FI between days 18 and 20 in g/chicken.

7

FCR between days 18 and 20 in g feed/g BWG.

8

BWG between days 18 and 20 in g/chicken.

9

FBW at day 20 in g/chicken.