Mexican scientists have developed a genetically modified corn that can produce an edible vaccine for the prevention of Newcastle disease. Newcastle disease is a major killer of poultry in developing countries. The researchers published their research results on the website of the "Transgenic Research" magazine on August 12. They hope this method will help small-scale poultry keepers protect their poultry population. Scientists have developed Newcastle disease vaccines that can inoculate poultry through food, but single-head farmers or villages usually do not get a small amount of this type of vaccine. Octavio Guerrero-Andrade and his colleagues at CINVESTAV in Guanajuato, Mexico, inserted a gene from the Newcastle disease virus into the DNA of corn. Chickens that eat this genetically modified corn will produce Newcastle disease antibodies. This corn provides similar protection as commercial vaccines. This way of producing vaccines has been welcomed by experts. Frads Dolberg of the Network for Smallholder Poultry Development: "Newcastle disease is a serious poultry killer." The Smallholder Poultry Development Network works with partners in developing countries to promote poultry farming as a means of improving farmers’ livelihoods. He told this website: "The vaccine for millions of poor poultry farmers all over the world is a big problem. And this kind of genetically modified corn provides the possibility." Dolberg said that the success of this vaccine will depend on the extent to which the farmed poultry farmers can acquire the genetically modified corn. However, he pointed out that poor people, landless people and women are usually the most willing to fight for new technologies, and they are the main population for small-scale poultry breeding in developing countries.
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