摘要： 旨在研究联合使用发酵饲料和发酵中草药微生态制剂替代饲用抗生素对蛋鸡的影响，选取304日龄的海兰灰蛋鸡为试验对象，随机分为对照组和试验组，对照组饲喂基础日粮＋2kg／t氨苄西林，试验组饲喂基础日粮＋3％发酵饲料＋3kg／t发酵中草药制剂。 结果表明，试验组在粪便成形度方面明显好于对照组，试验第46天、第175天产蛋率显著提高（P〈0．05）；试验第175天，试验组死淘率及破蛋率与对照组相比，分别降低了25．00％、18．05％，蛋黄颜色差异显 …

1999年3月1日 · To isolate genes preferentially expressed at early stages of fruits in eggplant, subtractive hybridization was used on cDNAs from pollinated fruits and poly (A)+RNA from unpollinated fruits at 3 days after anthesis to isolate EEF genes.

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