MCQOPTIONS
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| 1. |
Dairy_cows_need___________day_dry_periods_for_rejuvenation_of_secretory_tissue_and_restoration_of_body_condition. |
| A. | 30 |
| B. | 60 |
| C. | 90 |
| D. | 120 |
| Answer» C. 90 | |