So what these "researchers" did was successfully produce healthy transgenic cattle that express a recombinant version of the human lysozyme protein (rHLZ).
Human lysozyme is widely present in human tissues and fluids (tears, saliva, milk) and it plays an important role as a non-specific immune factor and anti-inflammatory factor. It is an anti-bacterial protein that protects human infants from microbial infections. It is present in high concentrations in human milk but is found in only trace amounts in cow milk.
The researchers say, "Our study...describes transgenic cattle whose milk offers the similar nutritional benefits as human milk."
However, any suggestion of GM cows producing human breast milk is "utterly" misleading. The simple fact that these scientists are actually claiming they have found a way to produce components missing from current formulas reinforces the fact that formula currently on the market is far from being similar to human breast milk.
Human breast milk is already perfect...and free. Why are we still trying to replicate something nature has given to us with so much ease and grace? Humans...can't live with them, can't live without them. What's next? ...GM humans to produce cow milk?
Source: Bioactive Recombinant Human Lysozyme Expressed in Milk of Cloned Transgenic Cattle