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How non-deadly parasites create greener ecosystems

A world with more sublethal parasitic infections is a greener world. New research clarifies how that relationship works.

United statesRachel penczykowskiVanessa ezenwaAmanda koltzYale universityWashington universityProceedings of the national academy sciencesWashington university in stDave civitello at emory universityUniversity of michiganNational academySaharan africaDave civitelloEmory universityLiving earth collaborativeMissouri botanical garden

Nonlethal parasites reduce how much their wild hosts eat, leading to ecosystem effects

Deer, caribou, bison and other similar animals are often infected by a range of internal parasites, including worms called helminths. Although many of these infections are not lethal, they can still impact health or animal behavior. For example, infected animals can eat less grass or other vegeta

United statesVanessa ezenwaAmanda koltzYale universityDepartment of ecologyWashington universityProceedings of the national academy sciencesWashington university in stDave civitello at emory universityUniversity of michiganNational academyEvolutionary biologyUm biologicalLiving earth collaborativeMissouri botanical gardenSaint louis

Parasites reduce how much their wild hosts eat

Deer, caribou, bison and other similar animals are often infected by a range of internal parasites, including worms called helminths. Although many of

United statesVanessa ezenwaAmanda koltzYale universityDepartment of ecologyWashington universityProceedings of the national academy sciencesWashington university in stDave civitello at emory universityUniversity of michiganNational academyEvolutionary biologyUm biologicalLiving earth collaborativeMissouri botanical gardenSaint louis

Study highlights the cascading ecosystem consequences of sublethal parasitic infections in wild animals

Deer, caribou, bison and other similar animals are often infected by a range of internal parasites, including worms called helminths. Although many of these infections are not lethal, they can still impact health or animal behavior.

Rachel penczykowskiVanessa ezenwaAmanda koltzEmily hendersonYale universityWashington universitySaint louis zoo institute for conservation medicineProceedings of the national academy sciencesWashington university in stDave civitello at emory universityArts sciences at washington universityNational academyOne healthSaint louis zoo instituteConservation medicineLiving earth collaborative

Nonlethal parasites reduce how much their wild hosts eat, leading to ecosystem effects - The Source

Nonlethal parasites reduce how much their wild hosts eat, leading to ecosystem effects - The Source
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Jeff kerbyRachel penczykowskiVanessa ezenwaAmanda koltzYale universityWashington universitySaint louis zoo institute for conservation medicineProceedings of the national academy sciencesWashington university in stDave civitello at emory universityArts sciences at washington universityNational academyOne healthSharon deemSaint louis zoo instituteConservation medicine