China confirms first successful cloning of endangered cattle breeds

China has successfully cloned both Zhangmu cattle and Apeijiaza cattle, two endangered breeds found in southwest China's Xizang Autonomous Region, scientists announced Monday.

Report informs via Xinhua that four male calves of each breed were recently born in Yunyang County, southwest China's Chongqing Municipality, marking the world's first successful cloning of cattle from Xizang.