First in vitro Puerto Rico crested toad gives scientists hope
Phys.org - Sat 23 Nov 19A critically endangered Puerto Rican toad was for the first time born via in vitro fertilization as U.S. scientists attempt to save it from extinction, officials announced Friday.
How primordial germ cells commence sperm and egg production in the embryonic gonad
Phys.org - Fri 22 Nov 19Early in mammalian embryonic development, long before the organism's ultimate form has taken shape, a precious subset of its cells are set aside for future use in creating offspring. This task ...
World's first toad born using in vitro fertiziliation from frozen semen
FOXNews - Mon 25 Nov 19An extremely endangered Puerto Rican toad named Olaf became the first to be born via in vitro fertilization, as researchers attempt to save it from extinction.
Meet Olaf! The world's first toad hatched using IVF from frozen semen
Daily Mail - Fri 22 Nov 19Researchers have successfully hatched a toad using IVF for the first time. Named Olaf, this Puerto Rican crested toad was born using eggs from captive toads and sperm from those in the wild.
TU Dresden biologists examine sperm quality on the basis of their metabolism
AlphaGalileo - Thu 28 Nov 19Every tenth couple worldwide is affected by infertility. The reasons for this are manifold, but mostly well researched. Nevertheless, about fifteen percent of cases remain unexplained. A team ...