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Immune Activation Rapidly Mirrored in a Secondary Sexual Trait
TLDR
It is shown that experimental activation of the immune system is rapidly mirrored in the expression of a carotenoid-based model of sexual selection. Expand
Conflict between co-occurring manipulative parasites? An experimental study of the joint influence of two acanthocephalan parasites on the behaviour of Gammarus pulex
TLDR
This work compared the reaction to light and vertical distribution of individuals infected with both parasites to those of individuals harbouring a single parasite species and uninfected ones under controlled conditions and discussed the results in relation to the occurrence of active avoidance or hijacking between conflicting manipulative parasites. Expand
Sexing Birds Using Discriminant Function Analysis: A Critical Appraisal
TLDR
This work compared the three most common methods used to estimate the proportion of correctly classified males and females by DFA: resubstitution, jackknife, or sample splitting, and suggested that large sample sizes should be preferred over repeated measurements of the same individuals. Expand
Altered host behaviour and brain serotonergic activity caused by acanthocephalans: evidence for specificity
TLDR
The results demonstrate that altered 5-HT activity is not the mere consequence of infection by acanthocephalans but is specifically linked to the disruption of host photophobic behaviour, whereas the alteration of other behaviours such as geotactism may rely on distinct physiological routes. Expand
The effect of the acanthocephalan parasite Pomphorhynchus laevis on the lipid and glycogen content of its intermediate host Gammarus pulex.
TLDR
The association between the presence of the acanthocephalan parasite, Pomphorhynchus laevis, and inter-individual variation in the lipid and glycogen content of its crustacean host, Gammarus pulex (Amphipoda) is studied. Expand
Differential influence of Pomphorhynchus laevis (Acanthocephala) on the behaviour of native and invader gammarid species.
TLDR
There was no significant difference in reaction to light between infected and uninfected G. roeseli, whereas infected G. pulex were strongly photophilic, and the role that acanthocephalan parasites can play in shaping the structure of amphipod communities was discussed. Expand
Increased susceptibility to predation and altered anti-predator behaviour in an acanthocephalan-infected amphipod.
TLDR
Results suggest that the alteration of anti-predator behaviour in infected G. pulex might enhance predation by bullheads in the field, and reversing anti-Predator behaviour might be an efficient device by which parasites with complex life-cycles increase their trophic transmission to final hosts. Expand
Differential influence of two acanthocephalan parasites on the antipredator behaviour of their common intermediate host
TLDR
Vulnerability of infected and uninfected gammarids to predation by bullheads, Pomphorhynchus laevis and Polymorphus minutus and their intermediate host, the amphipod Gammarus pulex, and reaction to bullhead olfactory cues are assessed. Expand
LOCAL RECRUITMENT IN THE GREATER FLAMINGO: A NEW APPROACH USING CAPTURE-MARK-RECAPTURE DATA
TLDR
A recently developed approach, based on capture-mark-recapture, in which analysis of local recruitment of Greater Flamingos in the Camargue is similar to a time-reversed analysis of survival, finding additive effects of age and year to affect recruitment. Expand
Differential mortality of two closely related host species induced by one parasite
TLDR
It is reported that the populations of two congeneric and sympatric host species, infected by the same parasite, exhibit a strongly contrasted pattern of parasite-induced mortality. Expand
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