The same technique applied to crops is applied to livestock, which is may the best breed! In other words, just like our ancestors used to do it (and in all under-developed countries), farmers select the best individuals of the livestock and make sure they breed together to increases the chance of getting a livestock with the desired traits that were selected. Nowadays, the same thing is being done but on a molecular level. The DNA of a chosen male is retrieved and inoculated into the egg of a chosen female and then injected into a third "host" animal. This technique that is part of the genetic engineering is a type of cloning and it ensures getting the desired traits in the animal whether it is size or any other trait. This raises even a greater debate because animals' rights is put into question. Do we have the right to manipulate the lives and the future of certain "families"? Is genetic engineering the new Natural Selection method? These questions are not here to be answered, but to be debated, but the benefits that this can provide us is considerable.
IFIC. (2006). Retrieved on July 9 from http://www.ific.org/food/biotechnology/index.cfm.
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