Sperm competition experiment with lake char (Lake Geneva 2017/18)

David Nusbaumer, Laurie Ançay, Laura Garaud, Christian De Guttry & Claus Wedekind
Male and female wild lake char (Salvelinus umbla) were sampled from Lake Geneva in December 2017 and December 2018. Male size and colouration (all samples, N = 34) were compared to milt characteristics. For the 2017 samples, milt characteristics were also determined after sperm activation in diluted ovarian fluid or water only, and the gametes were used in sperm competition trials: Equal numbers of sperm competed for fertilization in the presence or absence of ovarian...
3 citations reported since publication in 2021.
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