题目详情
单选题 利用浓缩料和玉米为60Kg瘦肉型猪配制全价配合饲料,最简便计算方法是( ).Using concentrate and corn to prepare full-price compound feed for 60Kg lean pigs, the easiest way to calculate is ( )
A. 试差法trial difference method
B. 方形法square method
C. 线性计算法linear calculation method
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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