Modulation of the porcine intestinal microbiota in the course of Ascaris suum infection

Parasites & Vectors

Table 4 Characteristics of microbial association networks determined from faecal samples of A. suum-infected and non-infected pigs

	Day −3			Day 14 p.i.			Day 21 p.i.			Day 35 p.i.
	C	SI	TI	C	SI	TI	C	SI	TI	C	SI	TI
Number of nodes	363	359	370	369	350	366	365	359	364	346	324	350
Edge density	0.022	0.026	0.027	0.028	0.023	0.023	0.025	0.021	0.024	0.017	0.016	0.021
Positive edges (%)	82.48	76.193	75.73	76.326	80.675	77.228	80.427	82.619	77.997	86.944	89.260	76.471
Clustering coefficient	0.089	0.123	0.119	0.093	0.121	0.104	0.113	0.118	0.109	0.184	0.230	0.184
Modularity	0.38	0.355	0.340	0.326	0.394	0.378	0.368	0.411	0.364	0.527	0.568	0.442
No. of modules (greedy algorithm)	10	11	8	8	11	14	10	11	9	14	16	15
Mean normalized eigenvector centrality (± SD)	0.404 (± 0.213)	0.358 (± 0.219)	0.348 (± 0.227)	0.468 (± 0.216)	0.305 (± 0.215)	0.352 (± 0.219)	0.318 (± 0.210)	0.276 (± 0.220)	0.412 (± 0.227)	0.214 (± 0.196)	0.209 (± 0.210)	0.273 (± 0.198)

C: control; SI: single infection; p.i.: post-infection; SD: standard deviation; TI: trickle infection

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