(2009) for Aberdeen Angus cattle (0.22) while it seems to be higher than Brahman cross-breeding
(0.025) and Simmental cross-breeding
(0.05) that were investigated by Frylinck et al.
Although many modern breeds look like those depicted in ancient texts or in Egyptian pyramids, cross-breeding
across thousands of years has meant that it is not accurate to label any modern breeds as "ancient", the researchers said.
There are certainly more questions than answers about the effects of mule deer-whitetail cross-breeding
, but researchers do agree that while it's a rare phenomenon, it does happen.
'Despite the Holstein's proven milk production ability, many cost-conscious British and Irish dairy farmers are increasingly interested in the commercial advantages of cross-breeding
to improve fertility, longevity and health traits such as mastitis resistance,' said Jason Kean of Green Acres.
An official of the agency's Nature Conservative Bureau said, "The diversity study of the genes is very meaningful in considering measures such as preventing genetic infection which could result from cross-breeding
with related foreign species and transplanting plant species whose population has diminished from other regions."
For example, Monsanto's soybean could spread its herbicide resistance to related weeds through normal pollination and cross-breeding
, or become a weed itself.
Tilghman and her colleagues recently stumbled upon a publication from the 1960s that described cross-breeding
between a monogamous mouse species and a closely related polyandrous one.
The music is doo-wop being funny by cross-breeding
itself with various pop styles (David Byrne, the Beatles) and by bouncing off of its polished, dead-pan surface lyrics that satirize contemporary life.
Local cattle ranchers have been cross-breeding
native cows with foreign breeds by buying genetic material from Australia, but the practice could sometimes cost more than the profit, according to Tuason.
According to Nature.com, a new analysis of the DNA footprint of Neanderthals and Denisovans has revealed that there was an intense cross-breeding
between different species tens of thousands of years ago, Fox News reported.