Sentences with phrase «southern white rhinos»

While there are thousand of southern white rhinos still roaming the plains of sub-Saharan Africa, decades of rampant poaching have drastically cut numbers of northern whites.

There are roughly 20,000 southern white rhinos in Africa after efforts to save them from extinction began in the 1950s.

It's founding purpose was to save a population of southern white rhinos from extinction.

Scientists are working on a form of IVF where egg cells would be removed from the remaining females, fertilized with semen collected from Sudan and other northern white males, and then inserted into female southern white rhinos who would serve as surrogates.

San Diego Zoo Global has decided to take on the enormous task of using cryopreserved tissue for cross-species cloning to revive the Northern White Rhino, with southern white rhinos as the surrogate parents.

The study, co-authored by scientists from San Diego Zoo Global and Mars Hill University, evaluated fertility issues in captive - born southern white rhinos and determined that diets including soy and alfalfa were likely contributors to breeding challenges.

The study reviews historical data on the reproductive success of southern white rhinos in zoos in North America.

At the San Diego Zoo Safari Park, animal care staff switched to a low phytoestrogen diet for southern white rhinos in their care in 2014.

Neither of the females can carry a calf, so the fertilized embryos would have to be implanted in a southern white rhino surrogate mother.

The advanced OPU technique was developed for these large (two tons) creatures in the past two years in the closely related southern white rhino.

But a closely related species, the southern white rhino, is doing pretty well.

They tried unsuccessfully to introduce a male southern white rhino to the female northern whites in an effort to at least conserve some of the northern white's genes, and last year listed Sudan on Tinder as the «most eligible bachelor» to raise funds rhino IVF and rehabilitation.

The IUCN gives the example of the southern white rhino, which went from less than 100 individuals at the end of the 1800s to around 20,000 individuals in the wild today.

Meanwhile, efforts to breed hybrids of northern rhinos and the more abundant southern white rhino, in order to preserve at least some northern white rhino genes in living individuals, have failed.

Not exact matches

Whatever technique the scientists use to create the northern white rhino embryos, the plan is to implant them into female southern whites kept in zoos.