Table 5.
Main effect of dietary selenium sources and Vit E levels on ceacum microbial population of 42-day broiler chickens
Parameters | Se | Vit E | SEM | p values | |||||
---|---|---|---|---|---|---|---|---|---|
Log 10 copy no/g ceacum | NS | SS | ADS18-Se | 0 | 100 | Se | Vit | Se*Vit | |
Lactobacilli spp. | 6.91b | 6.98b | 7.74a | 7.03 | 7.33 | 0.099 | 0.001 | 0.699 | 0.060 |
Bifidobacteria spp. | 7.01b | 7.57ab | 8.21a | 7.40 | 7.65 | 0.163 | 0.029 | 0.489 | 0.145 |
Enterobacteria spp. | 4.20 | 4.02 | 4.53 | 4.23 | 4.25 | 0.087 | 0.146 | 0.914 | 0.784 |
Enterococcus spp. | 6.86 | 7.25 | 6.88 | 7.08 | 6.76 | 0.081 | 0.128 | 0.118 | 0.240 |
E.coli | 4.56a | 4.33ab | 4.21b | 4.44 | 4.34 | 0.049 | 0.012 | 0.315 | 0.787 |
Salmonella spp. | 3.41a | 3.04ab | 2.80b | 3.38a | 2.84b | 0.105 | 0.031 | 0.006 | 0.126 |
a-bMeans with different superscripts within a row-subgroup are significantly different (P < 0.05). NS no Se supplement, SS sodium selenite, ADS18-Se bacterial organic Se. Experimental unit, (n = 12)