'Old' sperm produces healthier offspring

Research shows that sperm that live for longer before fertilizing an egg produce healthier offspring. What's more, these offspring go on to have longer, healthier lifespans -- and in turn produce more and healthier offspring themselves. It was assumed that it doesn't matter which sperm fertilizes an egg. But this shows that there are massive differences between sperm and how they affect offspring. The research was carried out in zebrafish but may have implications for human fertility.

'Old' sperm produces healthier offspring

Thu 14 Feb 19 from Phys.org

'Old' sperm produces healthier offspring, Thu 14 Feb 19 from ScienceDaily

'Old' sperm produces healthier offspring, Thu 14 Feb 19 from Eurekalert

Offspring from older sperm are fitter and age more slowly

Experiments in fish suggest offspring from older sperm may be healthier - a finding that could change the ways IVF clinics select sperm

Thu 14 Feb 19 from Newscientist

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