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Table 3 Δ δ 13C and Δ δ 15N values in per mil of isotope signatures calculated for parasites in relation to their host tissues and between both parasite species (ΔhE P. laevis - Eustrongylides sp.)

From: Understanding trophic interactions in host-parasite associations using stable isotopes of carbon and nitrogen

Parasite Muscle Intestine Liver P. laevis
  Δδ 15N Δδ 13C Δδ 15N Δδ 13C Δδ 15N Δδ 13C Δδ 15N Δδ 13C
P. laevis (summer) 2.0 -0.1 0.8 -0.5 1.1 -1.4
P. laevis (autumn) 1.0 0.8 0.8 0.3 1.0 -1.6 2.9 1.6
Eustrongylides sp. -1.9 -0.4 -2.1 -0.9 -2.0 -2.8 -2.9 -1.2