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每头母猪年提供断奶仔猪数
释义
每头母猪年提供断奶仔猪数
Encyclopedia
农学
[猪生产学]
释
pigs weaned per sow per year;PSY
每头母猪年提供断奶仔猪数
平均每头已配种母猪每年提供的断奶仔猪数量。
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