在给低质量的料养的泽布牛中,营养物质的利用和肠道甲排放
Gérard Xavier Gbenou1,2, Luc Hippolyte Dossa1, Denis Bastianelli2
1Laboratoire des Sciences Animales, Faculté des Sciences Agronomiques, Université d'Abomey-Calavi 526 Cotonou, Benin.
Veterinary and animal science
|October 6, 2025
概括
撒哈拉以南非洲地区食反动物的低质量料没有影响料摄入量,消化能力或肠道甲排放. 建议对料生长阶段进行进一步的研究,以实现可持续的养实践.
科学领域:
- 动物科学动物科学
- 类动物营养 类动物营养
- 环境科学 环境科学
背景情况:
- 撒哈拉以南非洲的反动物在干旱季经常依赖低质量的料.
- 了解料质量对动物生产和环境排放的影响至关重要.
研究的目的:
- 评估四种成熟料 (牧场料,Bracharia ruziziensis,Andropogon gayanus,Panicum maximum) 对苏丹泽布牛的料摄入量,食消化能力和肠道甲 (eCH4) 排放的影响.
- 评估不同养水平 (2.3%和3.2%的体重) 如何影响这些参数.
主要方法:
- 十头苏丹富拉尼泽布牛被养四种不同的成熟料在两个干物摄入水平.
- 在为期两周的适应阶段后,在一周的数据收集期内测量了料摄入量,饮食明显消化能力和肠道甲排放量.
- 对料的化学成分进行了分析.
主要成果:
- 料在化学成分上有显著差异,影响了摄入量和消化能力.
- 帕尼克姆最大显示出优越的营养质量,导致更高的消费和消化能力 (0.49).
- 在低质量阶段 (28.531.6 g/kg DM摄入量) 的所有料中,肠道甲产量潜力相似.
结论:
- 随意食反动物低质量的料并没有影响料摄入量,食的明显消化能力或肠道甲排放.
- 对不同生长阶段的料进行评估对于优化它们的料使用和环境可持续性至关重要.
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