Cloning, Why Do It??? Jennifer Parrish Animal Science 411 Presentation October 30, 2007 Overview Process of cloning Cloned animals Problems with cloned animals Viagen and Cyagra views Media views Call to Action The process used for cloning Unfertilized egg Cells Removed nucleus electro fusion Cell culture Transfer donor DNA Embryo culture Gestation Embryo transfer Let’s talk about Dolly 1st cloned animal Only one born alive Died prematurely Edwards. J.L. et al. Cloning Adult Farm Animals: A review of the possibilities and problems with somatic cell nuclear transfer. 2003. American Journal of Reproductive Immunology. 50:2:113-123. Aldhous, Peter and Andy Coghlan. Ten years on, has the cloning dream died?. 2006. New Scientist. 191:2558:8-10. Cloned farm animals One of the first cloned horses More cloned animals Afghan hound with his clone “Snuppy” CC or Carbon Copy – 1st ever cloned cat Verango, Dan. Another Cloning First: A Dog. 2005. USA Today Copy cat game Vogel, Gretchen. First Dog Cloned. 2005. Science Now. 1-2. www.nature.ca/genome/04/041/0415_e.cfm Problems with cloning Die before birth Born alive and suffer from serious abnormalities Premature death High birth weights Inefficiency Other views against cloning Stephanie Shain of the Human Society “It’s irresponsible to duplicate animals when we are euthanizing happy, healthy animals because there aren’t homes for them.” Brent Blackwelder, President, Friends of the Earth and Wayne Pacelle, Senior Vice President, The Humane Society Prices Horses $150,000 Cloned horses cannot be registered Cattle $15,000 Majority can be registered Not always a foal or calf born alive. Inefficiency Cyagra says cloning can… Help keep up with the demand for semen, embryos, and offspring Repair injured cattle Have multiple copies of top performing bulls Bring great steers back as bull Bring free-martins back as reproductively sound heifers Build a foundation herd Speed up the genetic program What does Viagen say? More affordable protein More sustainable farming Higher quality products More environmentally friendly Animal welfare friendly Healthier animals before antibiotics Completely safe Easily implemented Says that most of the meat we eat in the future will be from cloned animals. I don’t agree Cattle Swine Equine FDA FDA has sent out an assessment whether companies and American consumers agree with eating cloned meat or believe it is safe to eat. www.fda.gov/cvm/documents/clo ning_risk_assessment.pdf Consumers… FDA Gallup survey poll…. Pew Initiative on Food and Biotechnology… Harris Interactive Health Care Poll… Media… http://www.thedailyshow.com/video/ind ex.jhtml?videoId=84396&title=cloned- meat&byDate=true Call to Action… Stay informed Challenge you to go to legislation You can also go to this website http://www.accessdata.fda.gov/scripts/oc/dockets/comments/commentdocket.c fm?AGENCY=FDA Questions???
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