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. 2017 Oct 26;4(1):84–89. doi: 10.1016/j.aninu.2017.10.003

Table 3.

Organic matter and nutrient digestibilities calculated by total collection method (DiT) and by using markers not corrected for faecal marker recovery (DiM) (means ± SD; n = 4).

Item DiT1 DiM2
P-value
Cr2O3 C323 C364 MR Marker MR × marker DiT vs. markers Cr2O3 vs. alkanes C32 vs. C36
Organic matter
A5 82.7 ± 3.8a 83.1 ± 2.9a 76.0 ± 2.3b 80.9 ± 1.9ab 0.759 0.002 0.835 0.042 0.004 0.035
B6 82.3 ± 0.8a 82.3 ± 1.1a 77.3 ± 4.8b 79.3 ± 4.5ab
Crude protein
A5 80.7 ± 1.7a 81.0 ± 1.4a 72.8 ± 3.6b 78.3 ± 2.7ab 0.174 <0.001 0.837 0.027 0.002 0.027
B6 78.9 ± 1.7a 78.9 ± 1.9a 72.9 ± 5.8b 75.3 ± 5.2ab
Ether extract
A5 81.6 ± 2.2aB 81.3 ± 2.4aB 73.2 ± 5.0bB 78.6 ± 3.9abB <0.001 0.002 0.272 0.045 0.005 0.030
B6 89.3 ± 0.9A 89.3 ± 1.0A 86.2 ± 2.8A 87.5 ± 2.6A
Crude fiber
A5 72.6 ± 11.4 73.2 ± 9.6 74.0 ± 10.8 76.5 ± 9.7 0.985 0.604 0.985 0.872 0.948 0.742
B 72.7 ± 3.7 73.3 ± 4.1 73.3 ± 3.8 73.3 ± 3.8
ADFOM
A5 74.0 ± 10.8 74.5 ± 9.2 72.6 ± 11.4 75.3 ± 10.3 0.985 0.805 0.985 0.870 0.912 0.740
B6 73.3 ± 3.8 72.6 ± 4.1 72.7 ± 3.8 72.7 ± 3.8
NDFOM
A5 33.0 ± 23.8 42.2 ± 15.6 42.5 ± 16.4 45.3 ± 15.4 0.236 0.205 0.816 0.110 0.236 0.583
B6 28.0 ± 8.5 27.8 ± 9.7 38.3 ± 5.4 43.2 ± 5.7

MR = milk replacer; NDFOM = neutral detergent fibre expressed exclusive of residual ash; ADFOM = acid detergent fibre expressed exclusive of residual ash.

a,b Within a row, means without a common lowercase superscript differ (ANOVA; P < 0.05).

A,B Within a column, means without a common uppercase superscript differ (ANOVA; P < 0.05).

1

Digestibility calculated by total collection method.

2

Digestibility calculated by marker method.

3

n-dotriacontane.

4

n-hexatriacontane.

5

Milk replacer with 6.7% galacto-oligosaccharides.

6

Milk replacer without galacto-oligosaccharides.