肉牛饲用复合益生菌组合的筛选及添加试验
Sichuan Animal & Veterinary Sciences（2021）
Abstract
本研究模拟瘤胃菌群环境筛选出的肉牛饲用复合益生菌组合,可显著提高饲料干物质降解率、MCP含量、产气量、总VFA浓度,显著降低NH3-N浓度,且瘤胃液pH值保持稳定.犊牛按0.1％比例添加肉牛饲用复合益生菌饲喂后,可增强粗纤维、木质素、粗蛋白的消化能力,提高秸秆饲料采食量10％以上,缓解酸中毒,降低腹泻率70％,粪便细腻且臭味轻,可显著提高犊牛体尺、胸围、体高、日增重等生产性能,屠宰检测无药残,提高经济效益10％以上.
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