It is more known as "Embryo Transfer" than cloning and transplanting embryos of cattle. A cow is flushed so that she will super-ovulate, and artificially inseminated, then she's flushed again so that the embryos can be collected and transferred to donor cows. The donor cows hopefully accept the embryo that they have inserted into them and grow the embryo into a fetus then birthed as a calf.
The super-ovulation is a method that encourages natural cloning, even though it's not natural itself by many standards.
There are not many ethical issues with embryo cloning in cattle but one of them is that it's not natural.
Social Advantages:Mass amounts of animals reproduced.The stem cells in the embryos could be used as treatment for human illnesses.More animals can be reproduced with the desired traits.The animals that have been reproduced this way can be used as a supply of organs for transplanting to humans.Scientists could use this type of cloning to help endangered species.Scientists could also attempt to bring extinct species back to life for example mammoths or dodo birds.Social Disadvantages:If for example a cow was reproduced this way and the cloning was incorrectly carried out at some point, its milk and beef could contain toxic resulting in people becoming seriously ill.If one animal was to be infected and die by an organism because of its genetic make-up, all the other animals that were part of that cloning process will also get infected and die as every clone is genetically identical to each other.
disadvantages are that if it goes wrong people will get sick so people will have to pay compensation
Cloning is used in cattle breeding by taking an embryo of a donor cow (being a female of top breeding quality) and making it into a copy of that cow with the same desired qualities. Cloning is also naturally done by producing fraternal twins in cattle.
Human cloning is currently not legal in the United States. Federal law prohibits the creation of cloned human embryos for any purpose, including reproduction or research. There are strict regulations in place governing the use of human embryos in scientific research.
I dug this out of my recycling bin just for you, so enjoy! :) Anyways ... Obama co - sponsored a bill (s. 1520) in 2005 that would allow the cloning of human embryos to be used in research, but prohibited placing them in wombs. Essentially, he's for particle cloning. On the other hand, McCain stated on his campaign website that "opposes the Intentional creation of a human embryos for research purposes"
4 out of 12 birth mothers died and it took 276 embryos to make Dolly, the first cloned sheep.
Not really the inventor(s) but the first to clone embryos (Tadpoles in this case) were Thomas King and Robert Briggs.
George E. Seidel has written: 'Embryo transfer in dairy cattle' -- subject(s): Dairy cattle, Embryos, Transplantation
Cloning was first performed in 1970 when Dr. John B Gurdon (UK) cloned a frog by transplanting the intestinal cell of a tadpole into a frog egg cell where the nucleus was removed. This develops into the adult frog with the same genotype as the tadpole used for the experiment
Cattle and true buffalo cannot mate, as the embryos fail. A hybrid between the American Bison and domestic Cattle is called a Beefalo.
According to Biologists, embryo splitting is a part of scientific cloning where two-cell embryos are separated into two individual cells and eventually grow identically.