JINAN, Oct. 20 (Xinhua) — Holstein cows with ear tags bearing electronic chips are lining up on the turntable to be identified and milked one by one, while real-time information which helps calculate
Enjoy life, Inspiring work
Enjoy life, Inspiring work
JINAN, Oct. 20 (Xinhua) — Holstein cows with ear tags bearing electronic chips are lining up on the turntable to be identified and milked one by one, while real-time information which helps calculate