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. 2016 Feb 9;9:80. doi: 10.1186/s13071-016-1349-0

Fig. 6.

Fig. 6

Ascaris suum eggs in soil from organic farms. Mean number of eggs/kg dry soil (+ SEM) on pastures on five farms (A–E). Results are based on duplicate samples from 1–3 pastures for each of three groups of pigs across four seasons. NP signifies the absence of a given pasture. Farm E results for dry and lactating sows are identical as they were kept on the same pasture