For the first time, scientists have created pigs, goats and cattle that can serve as viable "surrogate sires," male animals that produce sperm carrying only the genetic traits of donor animals.
Biotechnology
Sep 14, 2020
10
378
New University of Alberta research could help in the fight against the honeybee's number one enemy—the Varroa mite. Also known as the Varroa destructor, the parasite is a major contributor to annual losses of 30% to 40% ...
Plants & Animals
Mar 27, 2024
0
92
Scientists have struggled to fully understand how male sperm cells function and why they sometimes fail to fertilize female eggs, which has implications for both livestock farmers aiming to maximize food production, as well ...
Cell & Microbiology
Jun 13, 2022
0
27
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
A scientific team from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) and Leipzig University conducted a comparative analysis of lipid profiles of sperm to obtain insights into their susceptibility to damaging ...
Cell & Microbiology
Mar 15, 2022
0
26
It's a tough time to be a shark. Pollution, industrialized fishing, and climate change threaten marine life, and the populations of many top ocean predators have declined in recent years. In addition to studying sharks in ...
Plants & Animals
May 13, 2021
0
39
The Sumatran rhinoceros has become extinct in Malaysia, after the last of the species in the country succumbed to cancer.
Ecology
Nov 24, 2019
0
765
It has been 20 years since Dolly the sheep was successfully cloned in Scotland, but cloning mammals remains a challenge. A new study by researchers from the U.S. and France of gene expression in developing clones now shows ...
Biotechnology
Dec 9, 2016
2
313
Sperm that don't swim well rank high among the main causes of infertility. To give these cells a boost, women trying to conceive can turn to artificial insemination or other assisted reproduction techniques, but success can ...
Bio & Medicine
Jan 13, 2016
2
686
New research from the University of East Anglia has shown that females can maximise the genetic quality of their offspring by being promiscuous.
Plants & Animals
Sep 3, 2013
0
0
