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  • ‘Old’ sperm produces healthier offspring

    ‘Old’ sperm produces healthier offspring0

    Sperm that live for longer before fertilising an egg produce healthier offspring – according to new research from the University of East Anglia and Uppsala University in Sweden.New research published today shows that longer-lived sperm in an ejaculate of a zebrafish male produce offspring with longer and healthier lifespans – who in turn produce more