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合生素对蛋鸡生产性能的影响 被引量:1

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摘要 选择49周龄海兰褐蛋鸡1275只,随机分成5组,设3个正对照组、1个负对照组和1个试验组。试验组饲喂负对照组日粮(未加微生态制剂)基础中添加0.05%合生素,3个正对照组分别饲喂负对照组日粮基础中依次添加其他微生态产品M100、NW和GEK(营养标准相对负对照组低6%蛋白)的日粮。预试期30d,试验期30d,考察不同添加剂产品对蛋鸡生产性能的影响。结果表明,合生素添加组与M100添加组、负对照组、NW添加组和GEK添加组的生产性能相比,产蛋率分别提高4.82%、1.01%、1.78%和5.55%;蛋质量分别提高2.79%、3.77%、2.61%和3.82%。统计上均差异显著。合生素添加组和正负对照组的料蛋比分别是2.331、2.471、2.369、2.400和2.441。鸡蛋的平均合格率统计上均无显著差异。这表明,饲料中添加0.05%合生素可达到较理想的效果。
出处 《饲料研究》 CAS 2007年第5期60-61,共2页 Feed Research
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