Genetic Modification creates low allergy millk

New Zealand scientists have engineered a genetically modified cow that produces milk less likely to cause allergic reactions.

The modified cow produced milk without beta-lactoglobulin - a whey protein to which some people are allergic.

The study has been labelled a "milestone" by one scientist, but some campaign groups say it raises ethical concerns. Approximately 3% of infants are allergic to cows' milk in their first year of life.

There are important differences between a woman's breast milk and cows' milk, such as beta-lactoglobulin, which is found in milk from cows but not people.

The researchers, at AgResearch and the University Waikato in New Zealand, said: "It is not surprising that is constitutes a major milk allergen."

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