Health farm

日期:2019-03-07 11:09:09 作者:卢约兴 阅读:

By Barry Fox Merck of New Jersey has developed a vaccine (GB 2 333 706) that it claims can increase the meat value of farm animals by boosting their muscle mass. Merck says the protein myostatin normally limits skeletal muscle growth, but the vaccination speeds up muscle growth by increasing production of anti-myostatin antibodies. To make the vaccine, researchers engineered a gene that promotes antibody production. Merck says that a single 10 milligram shot may be enough to neutralise myostatin. If pregnant animals are injected,