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Table 4 Effects of clay supplementation on nutrient digestibility in growing-finishing pigs1

From: Clays as dietary supplements for swine: A review

Items

Level of clay (g/kg)

 

P - value

 

0

3

6

SE2

Linear

Quadratic

Dry matter

0.77b

0.82 a

0.77 b

0.009

0.91

<0.01

Nitrogen

0.76 b

0.79 a

0.74 b

0.006

0.05

<0.01

Energy

0.81ab

0.83 a

0.78 b

0.013

0.13

0.04

  1. Yan et al. [34]
  2. a,bValues significant at P<0.05 level
  3. 1Clay comprised of 72.6 % SiO2, 8.18 % AL2O3, 9.42 % Fe2O3, 5.25 % K2O and minor amounts of other minerals