But the Argentine team say the Chinese only introduced one human gene, whereas their research involved two genes meaning the milk will more closely resemble that of humans.
Rosita ISA was born on April 6 and was delivered by Caesarean section because she weighed around 100lbs, roughly twice the normal weight of Jersey cows.
Adrian Mutto, from the National University of San Martin which worked with the institute, said the human genes introduced were “both proteins that can be expressed only in the mammary gland during lactation.”
“Our goal was to raise the nutritional value of cows’ milk by adding two human genes, the protein lactoferrin, which provides infants with anti-bacterial and anti-viral protection, and lysozyme, which is also an anti-bacterial agent,” he added.
Cristina Kirchner, President of Argentina, said that the scientific institute “makes all Argentines proud.”
She also revealed that she had rejected the “honour” of having the cow named after her.
“They came to tell me that the name is Cristina, but what woman would like to have a cow named after her? It appeared to me to be more appropriate to call it Rosita.”
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