针茅草颗粒加工工艺对绵羊牧食行为的影响

发布时间：2018-03-30 05:40

本文选题：针茅草颗粒　切入点：采食行为　出处：《中国草地学报》2017年03期

【摘要】：不同加工条件下的针茅草颗粒的质量主要受粉碎粒度、颗粒直径、原料含水量等因素影响,通过L4(23)正交试验,形成四组加工处理条件,对不同加工条件下绵羊的牧食行为进行对比分析。结果表明,原料含水量对绵羊的牧食没有影响,粉碎粒度和颗粒直径对绵羊的牧食行为影响较显著。粉碎粒度为6mm的草颗粒的采食率、昼夜反刍时间、反刍周期显著高于粉碎粒度为8mm的草颗粒(P0.05),而休息时间和游走时间显著低于粉碎粒度为8mm的草颗粒(P0.05);粉碎粒度6mm、颗粒直径6mm的草颗粒的昼夜反刍食团数显著高于粉碎粒度8mm、颗粒直径8mm的草颗粒(P0.05)。综上所述,针茅典型草原牧草在粉碎粒度为6mm、颗粒直径为6mm条件下加工成草颗粒,绵羊的采食率最高,反刍效率最佳。
[Abstract]:The quality of Seymouth granules under different processing conditions was mainly affected by factors such as pulverized particle size, particle diameter, water content of raw materials, etc. Four groups of processing conditions were formed through L _ 4O _ (23) orthogonal test. The grazing behavior of sheep under different processing conditions was compared and analyzed. The results showed that the water content of raw materials had no effect on the grazing behavior of sheep. The effects of particle size and particle diameter on grazing behavior of sheep were significant. The feeding rate and ruminant time of herbaceous pellets with 6mm particle size were significantly different between day and night. The ruminant period was significantly higher than that of the grass grain with 8mm particle size (P 0.05), while the rest time and walking time were significantly lower than that of the grass grain particle with comminuted particle size of 8mm (P 0.05), and the number of ruminant pellets with the particle size of 6 mm and the diameter of 6mm was significantly higher than that of the ruminant group in the day and night. The particle size is 8 mm and the diameter of the particle is 8mm (P0.05). Under the conditions of 6 mm grain size and 6mm diameter, the feeding rate of sheep is the highest and the ruminant efficiency is the best.
【作者单位】：内蒙古农业大学草原与资源环境学院;草业与草地资源教育部重点实验室;内蒙古自治区农牧业科学院;
【基金】：国家现代牧草产业技术体系项目(CARS-35)
【分类号】：S826.5

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