Potential of a fucoidan-rich Ascophyllum nodosum extract to reduce Salmonella shedding and improve gastrointestinal health in weaned pigs naturally infected with Salmonella

Table 8 Effect of ANE and residual effect of ZnO on colonic and caecal Salmonella counts and on colonic bacterial populations on d 34 (Least-square mean values ± SEM)

Bacterial group, logGCN/g digesta	Treatment¹			SEM	P-value
Bacterial group, logGCN/g digesta	Control	ZnO-residual	ANE	SEM	P-value
Caecal digesta
Salmonella enterica	6.16	6.30	6.28	0.093	0.536
Colonic digesta
Total bacteria	11.98	11.95	11.87	0.051	0.324
Lactobacillus spp.	10.97	11.07	11.28	0.146	0.324
Bifidobacterium spp.	7.12^ab	6.85^b	7.49^a	0.159	0.025
Enterobacteriaceae	7.35^a	6.49^b	6.66^b	0.210	0.017
B-CoA	8.08	8.18	8.12	0.112	0.809
Prevotella spp.	11.62	11.57	11.58	0.075	0.884
Salmonella enterica	7.15	7.17	6.98	0.098	0.321

ANE, Ascophyllum nodosum extract; ZnO, Zinc oxide; GCN, Gene copy number; B-CoA, Butyryl-CoA:acetate CoA-transferase
^a,bMean values within a row with different lowercase superscript letter indicate significant differences between dietary treatments (P < 0.05)
¹A total of 12 replicates were used per dietary treatment (replicate = pig)

ISSN: 2049-1891