Surprise discovery: For most animals, sperm quality does not reduce with age

In humans, male fertility and sperm fitness decline with age, but scientists have made the surprising discovery that this pattern is not consistent in other animals. The team assessed the results of 379 studies which covered a wide range of animals, including mammals, insects, birds, and fish.

from Healthy Aging News -- ScienceDaily https://ift.tt/SATVt6g