“culling of pig breeding stock”的概念、定义、翻译、参考文献-科学参考

单词	culling of pig breeding stock
释义	culling of pig breeding stock Encyclopedia 农学[猪生产学]释 culling of pig breeding stock种猪淘汰技术去除性能低下、老弱病残、不能适应生产需要的繁殖用猪的方法。
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