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In addition to changes in the amount and quality of cues emitted by infected hosts, differences in the intensity of defensive behaviour associated with the infection status might explain differences in their susceptibility to mosquito attacks [ 68 , 69 ]. Jackdaws were immobilized using non-permanent masking tape, with the wings attached to the body, the beak closed and legs held together. Although body mass does not differ between sexes, adults of this species present strong sexual dimorphism in plumage coloration [ 38 ]. Further support for this possibility can be derived from the study by Yan et al. Avian phenotypic traits related to feeding preferences in two Culex mosquitoes. Abstract Background The transmission of mosquito-borne pathogens is strongly influenced by the contact rates between mosquitoes and susceptible hosts. Significant effects are highlighted in bold Full size table.

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