题目详情
单选题 对于群体饲养、配合饲料生产和配方设计常采用( ). For group feeding, compound feed production and formulation design is often used ( )
A. 按每头动物每天需要量表示according to the daily requirement of each animal
B. 按单位饲粮营养物质浓度表示according to the concentration of nutrients per unit of diet
C. 按动物每日摄取量表示according to the daily intake of animals
D. 按饲粮原料含量表示according to feedstock content
学科:动物营养与饲料加工(第6期)
时间:2025-05-15 07:49:29
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