Sentence examples for more sperm than from inspiring English sources

Males produce far more sperm than is needed to impregnate the ova that are released during estrus.

In species where females routinely mate with more than one male, males have evolved to make more sperm than in those where females are prim.

For a rooster to win at this game, he has to contribute more sperm than the other guys.

The gift seems to help them score mates, but they don't release any more sperm than less endowed insects.

In an experiment, female crickets given gifts prior to mating took up about one and a half times more sperm than those who received none, finds a paper in this month's Animal Behaviour.

Evolutionary biologist Tommaso Pizzari at the University of Leeds, U.K., and colleagues wondered if the wild roosters hedge their bets by inseminating some females with more sperm than others.

Pintado et al. [ 5] showed that PI stained more sperm cells than H258.

He admires the semen of men between the ages of 60 and 90, as it contains more sperm per milliliter than that of mere youths.

In addition, although donors can donate sperm repeatedly, they prefer to inseminate novel partners each time [27] and they transfer more sperm to virgins than to previously-inseminated partners [28], which is in accordance with sperm competition theory [29], [30].

When mating overnight under crowded conditions, KIL males were found to transfer lesser amounts of TG3 but more sperm to females than Mopti males, while hybrid males transferred intermediate amounts of TG3 and sperm.

The snails donated more sperm to virgin mates than to non-virgin mates.