Helfenstein, Fabrice Noël

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2013

Podlas, Katarzyna; Helfenstein, Fabrice Noël; Richner, Heinz; Sorci, Gabriele (2013). Brood Reduction via Intra-clutch Variation in Testosterone - An Experimental Test in the Great Tit. PLoS ONE, 8(2), e56672. Public Library of Science 10.1371/journal.pone.0056672

2011

Leclaire, S.; Bourret, V.; Wagner, R. H.; Hatch, S. A.; Helfenstein, F.; Chastel, O.; Danchin, E. (2011). Behavioral and physiological responses to male handicap in chick-rearing black-legged kittiwakes. Behavioral Ecology, 22(6), p. 1156. New York, N.Y.: Oxford University Press 10.1093/beheco/arr149

Losdat, S.; Helfenstein, F.; Gaude, B.; Richner, H. (2011). Reproductive effort transiently reduces antioxidant capacity in a wild bird. Behavioral Ecology, 22(6), pp. 1218-1226. New York, N.Y.: Oxford University Press 10.1093/beheco/arr116

Losdat, S.; Helfenstein, F.; Saladin, V.; Richner, H. (2011). Higher in vitro resistance to oxidative stress in extra-pair offspring. Journal of Evolutionary Biology, 24(11), pp. 2525-2530. Basel: Wiley 10.1111/j.1420-9101.2011.02374.x

Losdat, Sylvain; Richner, Heinz; Blount, Jonathan D.; Helfenstein, Fabrice (2011). Immune Activation Reduces Sperm Quality in the Great Tit. PLoS ONE, 6(7), e22221. Lawrence, Kans.: Public Library of Science 10.1371/journal.pone.0022221

2008

Berthouly, Anne; Helfenstein, Fabrice; Tanner, Marion; Richner, Heinz (2008). Sex-related effects of maternal egg investment on offspring in relation to carotenoid availability in the great tit. Journal of animal ecology, 77(1), pp. 74-82. Oxford: Blackwell 10.1111/j.1365-2656.2007.01309.x

Helfenstein, Fabrice; Berthouly, Anne; Tanner, Marion; Karadas, Filiz; Richner, Heinz (2008). Nestling begging intensity and parental effort in relation to prelaying carotenoid availability. Behavioral Ecology, 19(1), pp. 108-115. New York, N.Y.: Oxford University Press 10.1093/beheco/arm103

Helfenstein, Fabrice; Losdat, Sylvain; Saladin, Verena; Richner, Heinz (2008). Females of carotenoid-supplemented males are more faithful and produce higher quality offspring. Behavioral Ecology, 19(6), pp. 1165-1172. New York, N.Y.: Oxford University Press 10.1093/beheco/arn091

Helfenstein, Fabrice; Szép, Tibor; Nagy, Zsolt; Kempenaers, Bart; Wagner, Richard H. (2008). Between-male variation in sperm size, velocity and longevity in sand martins Riparia riparia. Journal of avian biology, 39(6), pp. 647-652. Copenhagen: Munksgaard 10.1111/j.1600-048X.2008.04450.x

White, Joël; Wagner, Richard H.; Helfenstein, Fabrice; Hatch, Scott A.; Mulard, Hervé; Naves, Liliana C.; Danchin, Etienne (2008). Multiple deleterious effects of experimentally aged sperm in a monogamous bird. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 105(37), pp. 13947-13952. Washington, D.C.: National Academy of Sciences NAS 10.1073/pnas.0803067105

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