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生态发酵薄床厚度的筛选试验 被引量:1

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摘要 试验旨在探讨发酵薄床养猪模式下垫料的最低有效厚度。研究了在不同厚度下,垫料的温度、湿度、pH、大肠杆菌菌群数指标的变化情况。结果表明,随着垫料厚度的增加,各试验组的中部和表面平均温度显著增加,且均显著小于对照组(P<0.05);各试验组的平均湿度无显著性差异,但3个试验组的平均湿度显著大于对照组(P<0.05);随着垫料厚度的增加,各试验组平均pH显著降低,且均显著高于对照组(P<0.05);30、40、50cm试验组的大肠杆菌菌数显著高于对照组(P<0.05),且各试验组之间差异显著,垫料产生的高温对有害微生物起到一定抑制作用。垫料的合适厚度为40cm。
出处 《猪业科学》 2012年第5期84-86,共3页 Swine Industry Science
基金 生猪产业技术体系北京创新团队建设项目
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