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Copy of Enviropig
2
Benefits
1) Enviropigs release up to 70% less phosphorous in their urine and feces, as compared to their traditional non-GM counterparts.
2) With less phosphorous run into water supplies, it means a smaller impact and a better chance of keeping balance in the ecosystems surrounding pig facilities.
3) So thereby, euthrophication can be prevented, wildlife saved, and the human water supply left uncontaminated.
Criticism and Bio-ethical Issues
A Band-Aid solution
How it is done
- not a sustainable approach
- More fundamental changes are needed such as: reducing density of pig populations and changing or supplementing their diet.
GM Pork? Uncertainties
1. Scientists selected a bacterial gene (phytase gene) and a piece of mouse DNA
2. The DNA were spliced together, creating a DNA construct. The mouse DNA directs the production of the bacterial phytase protein in the pig’s salivary system.
3. The DNA construct was then inserted into the embryo of a Yorkshire pig, which was implanted into a female pig's reproductive system.
4. The gene is then passed down from parent to offspring, creating an enviropig.
-Uncertainty of consumers' reaction resulting in Pork producers not being interested in processing meat from genetically modified animals
What is Eviropig?
A genetically enhanced Yorkshire pig that researchers at the University of Guelph in Canada have engineered, to better digest and process phosphorus, so that it produces environmentally friendly manure.
Conclusion
Reasons for creation
However, since losing its funding from from Ontario Pork last April and failing to interest the target market, the University of Guelph is euthanising the remaining pigs.
A video by the University of Guelph
It was created so that pigs would excrete less phosphorus waste so as to not harm the environment and create more troubles for man.
Enviropigs produce the enzyme phytase. When mixed with food, they are unable to digest the phytic acid produced.
Since the phytate is excreted in the pig waste, it contaminates agricultural areas via run-off and drainage which kills many fish.