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| 阶段饲养法指产蛋鸡 | |||
| 产蛋鸡阶段饲养法产蛋鸡的阶段饲养系根据不同条件(如母鸡年龄、产蛋阶段、产蛋量等)调整饲料 | |||
| 分饲 | |||
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phase feeding : 2 phrases in 1 subject |
| Technology | 2 |
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