Specification :

Dark or deep red, crystalline powder, not stable for oxygen, heat and light.
Beta carotene is the essential nutrients breeding for cows to maintain physiological functions.

Content of beta carotene in blood plasmao should maintain 400ug / L. Lack of beta carotene affect empathema, delay ovulation, reduce conception rate or cause intrauterine death, ambloma, mastitis or diarrhea of young cow.