Genetic quality or genetic compatibility? What do female fruit flies prioritize when mating? Researchers at the University of Zurich show that both factors are important at different stages of the reproductive process and ...
Evolution
Oct 2, 2023
0
1
Scientists have uncovered a superior method of freezing and thawing frog sperm leading to improved sperm quality. Driven by mass declines of frogs worldwide, research into cryopreservation of amphibian sperm has expanded ...
Plants & Animals
May 17, 2023
0
3
Time-restricted fasting diets could cause fertility problems according to new research from the University of East Anglia.
Plants & Animals
Apr 11, 2023
0
78
Forget sending bull semen out for complicated laboratory tests to learn whether the agricultural animal is highly virile.
Molecular & Computational biology
Mar 31, 2022
0
53
Infertility is a worldwide clinical problem for human health that affects 8 to 12 percent of couples. A new study from Washington University in St. Louis has implications for understanding some age-related aspects of male ...
Plants & Animals
Aug 3, 2020
6
352
Most research has focused on the oral, skin, and gut microbiomes, but bacteria, viruses, and fungi living within our reproductive systems may also affect sperm quality, fertilization, embryo implantation, and other aspects ...
Evolution
Jan 14, 2020
0
107
Sperm are influenced by diet, and the effects arise rapidly. This is the conclusion of a study by researchers at Linköping University, in which healthy young men were fed a diet rich in sugar. The study, which has been published ...
Evolution
Dec 27, 2019
5
1050
A tiny marsupial found only in northwest Australia mates so intensely that an entire generation of males can die off during a single breeding season, researchers reported on Friday.
Plants & Animals
Sep 6, 2019
0
13
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. ...
Biotechnology
Feb 28, 2019
0
5
In a study published in Behavioral Ecology researchers from Uppsala University show that the same type of sperm is not always the best for all male birds. Depending on how attractive or dominant you are you might be more ...
Plants & Animals
Aug 16, 2018
0
6
