| | | | | | | | | | 1. | 20% | | | 600kg 12kg | | | | 45 55 55 45 | | | 乙酸 丙酸 | 丁酸 pH | pH | | | 胎衣 | | | 2. | 17% | 19% 21% | 1 ADF 19% 17% | | | 2 ADF 21% 17% | | 22% 25% ADF 27% | | | | | |