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List of works by Fabrice Helfenstein

A large-scale survey of house sparrows feathers reveals ubiquitous presence of neonicotinoids in farmlands

scientific article published on 08 January 2019

A sublethal dose of the neonicotinoid insecticide acetamiprid reduces sperm density in a songbird

scientific article published on 16 July 2019

Antioxidant allocation modulates sperm quality across changing social environments

scientific article

Behavioral and physiological responses to male handicap in chick-rearing black-legged kittiwakes

article

Birds of different morphs use slightly different strategies to achieve similar reproductive performance following heatwave exposure

scientific article published on 01 July 2021

Brood reduction via intra-clutch variation in testosterone--an experimental test in the great tit

scientific article

Effects of an early-life paraquat exposure on adult resistance to oxidative stress, plumage colour and sperm performance in a wild bird.

scientific article published on 8 March 2018

Electroejaculation and semen buffer evaluation in the microbat Carollia perspicillata

scientific article published on 2 December 2014

Evidence that pairing with genetically similar mates is maladaptive in a monogamous bird

scientific article

Female choice of young sperm in a genetically monogamous bird

scientific article published on 01 May 2004

Higher in vitro resistance to oxidative stress in extra-pair offspring.

scientific article

Immune activation reduces sperm quality in the great tit.

scientific article

Is sperm morphology functionally related to sperm swimming ability? A case study in a wild passerine bird with male hierarchies

scientific article published on 19 September 2018

Maternal effects as drivers of sibling competition in a parent-offspring conflict context? An experimental test

scientific article

Modification of sperm quality after sexual abstinence in Seba's short-tailed bat, Carollia perspicillata

scientific article published in May 2016

Multiple deleterious effects of experimentally aged sperm in a monogamous bird

scholarly article

Nestling erythrocyte resistance to oxidative stress predicts fledging success but not local recruitment in a wild bird

scientific article published on 24 October 2012

Oxidative stress affects sperm performance and ejaculate redox status in subordinate house sparrows.

scientific article

Resistance to oxidative stress shows low heritability and high common environmental variance in a wild bird

scientific article published on 21 July 2014

Sensitive and selective quantification of free and total malondialdehyde in plasma using UHPLC-HRMS.

scientific article published on 10 July 2017

Sex-related effects of maternal egg investment on offspring in relation to carotenoid availability in the great tit.

scientific article published in January 2008

Social dominance explains within-ejaculate variation in sperm design in a passerine bird

scientific article

Social dominance, but not parasite load, affects sperm quality and sperm redox status in house sparrows

scientific article published on 10 September 2019

Sperm of colourful males are better protected against oxidative stress.

scientific article published on 4 January 2009