Diets derived from maize monoculture cause maternal infanticides in the endangered European hamster due to a vitamin B3 deficiency - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Proceedings of the Royal Society B: Biological Sciences Année : 2017

Diets derived from maize monoculture cause maternal infanticides in the endangered European hamster due to a vitamin B3 deficiency

Résumé

From1735to1940,maize-baseddietsledtothedeathofhundredsofthousands of peoplefrompellagra,acomplexdiseasecausedbytryptophanandvitamin B3 deficiencies.Thecurrentcerealmonoculturetrendrestrictsfarmland animalstosimilarlymonotonousdiets.However,fewstudieshavedistin- guishedtheeffectsofcropnutritionalpropertiesonthereproductionofthese speciesfromthoseofotherdetrimentalfactorssuchaspesticidetoxicityor agriculturalploughing.Thisstudyshowsthatmaize-baseddietscausehigh ratesofmaternalinfanticidesintheEuropeanhamster,afarmlandspecieson thevergeofextinctioninWesternEurope.VitaminB3supplementationis showntoeffectivelyrestorereproductivesuccessinmaize-fedfemales.This studypinpointshownutritionaldeficienciescausedbymaizemonoculture couldaffectfarmlandanimalreproductionandhencetheirfitness.

Dates et versions

hal-01445032 , version 1 (24-01-2017)

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Mathilde L. Tissier, Yves Handrich, Odeline Dallongeville, Jean-Patrice Robin, Caroline Habold. Diets derived from maize monoculture cause maternal infanticides in the endangered European hamster due to a vitamin B3 deficiency. Proceedings of the Royal Society B: Biological Sciences, 2017, 284 (1847), ⟨10.1098/rspb.2016.2168⟩. ⟨hal-01445032⟩
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