New Research: Semen Composition in Stallions
Apr 13, 2017 · According to a recent study*, stallions can alter the composition of their semen to optimize "ejaculate economics." The theory of ejaculate economics suggests that sperm production is a costbenefit process. As such, situations involving competition for fertile s stimulate stallions to produce highvolume ejaculates when compared to situations in which no male competition exists or ...