date:Jun 13, 2012
Currently, the calf known as 'Lakes' is seven weeks old, and is expected to produce low-lactose milk within two years.
The calf was born at a lab of Inner Mongolia Agricultural University, China, reported Xinhua.
In order to breed the new calf, the scientists collected fetus fibroblasts from a Holstein cow that was 45 days pregnant in May 2011, and genetically engineered the fetus by including a lactose dissolution enzyme.
This enzyme is capable of dissolving lactose to glucose or galactose, mak