Table 5.
Parameters | GA Levels, % | SEM 2 | p-Value 3 | |||||||
---|---|---|---|---|---|---|---|---|---|---|
0.00 | 0.12 | 0.25 | 0.50 | 0.75 | 1.00 | GA | L | Q | ||
Internal organs 1 | ||||||||||
Proventriculus | 0.87 | 0.84 | 0.82 | 1.04 | 0.89 | 0.90 | 0.05 | 0.105 | 0.634 | 0.696 |
Gizzard | 2.99 | 2.74 | 3.06 | 3.13 | 2.97 | 2.82 | 0.10 | 0.176 | 0.678 | 0.374 |
Thymus | 0.29 b | 0.39 b | 0.46 a | 0.52 a | 0.56 a | 0.43 b | 0.03 | 0.002 | 0.001 | 0.002 |
Bursa | 0.19 | 0.19 | 0.18 | 0.21 | 0.18 | 0.20 | 0.01 | 0.857 | 0.738 | 0.565 |
Spleen | 0.08 | 0.09 | 0.09 | 0.08 | 0.09 | 0.07 | 0.004 | 0.284 | 0.392 | 0.051 |
Liver | 3.23 | 3.09 | 3.08 | 3.42 | 3.48 | 3.31 | 0.09 | 0.057 | 0.664 | 0.734 |
Heart | 0.66 | 0.69 | 0.64 | 0.67 | 0.71 | 0.70 | 0.02 | 0.587 | 0.403 | 0.621 |
Pancreas | 0.52 | 0.52 | 0.46 | 0.48 | 0.54 | 0.46 | 0.02 | 0.225 | 0.322 | 0.710 |
Kidney | 0.72 | 0.69 | 0.75 | 0.80 | 0.84 | 0.76 | 0.05 | 0.558 | 0.458 | 0.662 |
SmallIntestine | 9.6 | 9.2 | 8.2 | 9.2 | 8.7 | 8.9 | 0.33 | 0.130 | 0.040 | 0.040 |
PH values of gastrointestinal tract segments | ||||||||||
Proventriculus | 4.2 a | 4.5 a | 4.2 a | 3.3 b | 4.0 a | 3.7 b | 0.17 | 0.013 | 0.230 | 0.880 |
Gizzard | 2.8 | 3.1 | 2.6 | 2.7 | 2.9 | 3.1 | 0.12 | 0.061 | 0.440 | 0.210 |
Duodenum | 6.5 a | 6.3 b | 6.6 a | 6.3 a | 6.3 a | 6.2 b | 0.05 | 0.002 | 0.006 | 0.590 |
Jejunum | 6.2 | 6.2 | 6.3 | 6.0 | 6.1 | 6.2 | 0.13 | 0.801 | 0.610 | 0.960 |
Ileum | 6.2 | 6.0 | 6.4 | 5.9 | 6.0 | 6.4 | 0.13 | 0.145 | 0.680 | 0.330 |
Cecum | 6.6 a | 6.1 b | 6.3 a | 6.2 a | 6.3 a | 6.0 b | 0.10 | 0.007 | 0.005 | 0.403 |
a,b Means that do not share a common superscripted letter within a row for each parameter differ significantly from those of the basal diet (0.0%), as determined by the Dunnett test (p < 0.05). 1 (g/100 g of live BW). 2 SEM = Standard error of means for diet effect. 3 GA = gum Arabic response; L = linear response; Q = quadratic response.