预测不同放牧策略的牲畜摄入能量,使用基于动物动物的基因建模
Yu Yoshihara1, Rentaro Horie2, Takafumi Miyasaka3
1Graduate School of Bioresources, Mie University, Kurimamachiyamachi, Tsu, Japan. marmota.sibirica@gmail.com.
Scientific reports
|October 14, 2025
概括
牧民将蒙古羊引导到植物生物质最多的地区,优化了动物生产和放牧分布. 这种以生物质为导向的战略确保了分散的牧场,即使在较高的种群密度下,也提高了牲畜的能量摄入量.
科学领域:
- 生态建模 生态建模
- 动物科学动物科学
- 牧场管理管理的牧场管理.
背景情况:
- 最佳的放牧策略对于在异质环境中的畜牧生产至关重要.
- 基于代理的建模 (ABM) 模拟牲畜与环境的相互作用,以预测能量摄入量和运动.
- 了解空间放牧模式是可持续牧场使用的关键.
研究的目的:
- 评估不同空间放牧模式对蒙古羊的能量摄入量的影响,使用基于代理的模型.
- 为了比较自愿的绵羊移动与基于生物质,口感和营养的牧民控制的策略.
- 在半干旱草原中确定最有效的畜牧生产和分布的放牧策略.
主要方法:
- 一个基于代理的模型模拟了8x8公里环境中的绵羊 (代理),该环境被分为976个网格细胞,并测量了植被参数.
- 模拟羊的运动是自愿的 (GPS跟踪) 或牧民控制的,有三个牧民战略,重点是生物质,食感或营养.
- 在2个月的模拟期内,根据植物生物质,营养价值和每个细胞内的可食性计算了可代谢的能量摄入量.
主要成果:
- 与自愿放牧相比,牧民控制的放牧策略通常会导致更高的能量摄入量.
- 以生物质为导向的移动策略在最大限度地提高羊的能量摄入方面被证明是最有效的.
- 以生物质为导向的战略促进了空间分散的牧场,即使牲畜密度翻了一番.
结论:
- 将羊迁移到植物生物量最高的地区是蒙古草原的最佳放牧策略.
- 这一战略增强了畜牧业生产,改善了牧场的分布,为可持续的牧场管理做出了贡献.
- 根据生物质可用性的指导,牧民的干预显著改善了牲畜的能量摄入量和放牧模式.
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