孕期精准养对母猪在三个周期中的表现的影响
Laetitia Cloutier1, Lucie Galiot1, Béatrice Sauvé1,2
1Centre de Développement du Porc du Québec Inc., 815 Rte Marie-Victorin, Lévis, QC G7A 3S6, Canada.
Animals : an open access journal from MDPI
|December 17, 2024
概括
与传统的平面养或突发养相比,精确养策略显著降低了母猪的小猪死亡率和死产率. 这些方法还减少了和的摄入量,提高了整体的生殖效率.
科学领域:
- 动物科学动物科学
- 生殖生物学 生殖生物学
- 营养生理学 营养生理学
背景情况:
- 在妊娠期间优化母猪的营养对于繁殖成功和小猪的生存至关重要.
- 传统的养策略,如平面养 (FF) 和突发养 (BF),可能无法满足母猪个体的需求.
- 精确养模型为量身定制的营养物质提供潜力.
研究的目的:
- 评估精准养 (PFP,PFI) 与传统养 (FF,BF) 在三个周期的母猪生殖性能上的影响.
- 评估不同养策略对小猪死亡率和死产率的影响.
- 为了确定养策略对营养摄入 (,) 的影响.
主要方法:
- 四种养方法进行了比较:FF,BF,精准养 (PFP) 和精准养 (PFI).
- 在三个怀孕和哺乳周期中,对母猪进行了监测.
- 记录了生殖参数,包括小猪死亡率和死产率.
主要成果:
- 与BF相比,精确养策略 (PFP,PFI) 在第一个周期中导致较低的新生至断奶小猪死亡率.
- 在第三个周期中,PFP的死产率低于BF和FF.
- 精密食减少了 (10-13%) 和 (6-9%) 的摄入量.
- 在哺乳期,BF并没有显著改善母猪或幼的表现.
结论:
- 精确养策略,特别是PFP和PFI,通过减少小猪死亡率来提高生殖性能.
- 这些精确的方法通过减少营养分泌来为环境带来好处.
- 基于平价或个体母猪体重的量身定制营养是提高母猪生产力的有希望的方法.
关键词:
突发性养 突发性养 突发性养怀孕的时间 怀孕的时间长寿 长寿是一个问题.lysine lysine lysine lysine 是一种类型的氨酸.这就是的酸.是一种的物质.在断奶后的时间.精确养 精确养 精确养播种播种播种播种播种播种播种.更多相关视频
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