Turning off HSF5 gene leads to less and poorer quality sperm

In research on zebrafish, Örebro researchers have identified a gene that is essential for producing sperm. Results show that fewer and poorer quality sperm are produced when the gene was turned off with the Crispr/Cas9 technique. ...

Hot weather is bad news for bird sperm

A new study led by Macquarie University and spanning Sydney and Oslo has shown that exposure to extreme temperatures, such as those experienced during heatwave conditions, significantly reduces sperm quality in zebra finches, ...

The nutrition behind good sperm

Males with low sperm quality probably won't get much help from dining down on fish oil supplements and a bag of carrots, recent aquatic-based research suggests.

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