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在放置镜头时对食白的反应

Nilva Kazue Sakomura¹, Matheus Reis², Lucas Pimentel Bonagurio¹

¹Department of Animal Science, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo 14884-900, Brazil.

Animals : an open access journal from MDPI

|August 26, 2023

概括

这项研究确定了用于产卵母的养护和表现的标准化乳腺消化性白摄入量 (SID-Leu). 结果为优化商业群体的经济性白营养提供了关键数据.

科学领域:

动物营养动物营养
禽畜科学禽畜科学禽畜科学
氨基酸新陈代谢氨基酸新陈代谢

背景情况:

氨酸是一种必需的氨基酸,对家禽生长和蛋生产至关重要.
准确估计素需求对于有效和经济的母料配方至关重要.
关于氨酸需求的现有数据可能无法完全捕捉现代产卵母饮食和生产系统的复杂性.

研究的目的:

估计标准化乳腺消化性白摄入量 (SID-Leu_i) 用于母的维护.
描述产母对不同SID-Leu水平的反应.
为确定产母SID-Leu的最佳经济摄入量提供数据.

主要方法:

用公进行了平衡试验,以估计SID-Leu维护需求,使用不同氨酸度的饮食.
一项涉及120只单独养的产卵母的反应试验使用了8种治疗方法和15种复制品来评估SID-Leu效应.
阅读模型应用于产卵母的数据,包括体重和卵产量,以估计SID-Leu_i.

主要成果:

使用多个指标 (例如,每天144毫克/鸟/天) 计算了SID-Leu维护要求.
阅读模型估计SID-Leu_i为11.6 * 卵产量 + 43.4 * 体重.
在母中使用SID-Leu的效率约为79%.

结论:

已确定的SID-Leu维护值为营养计划提供了基线.
开发的模型提供了一个实际的工具,可以根据生产参数预测SID-Leu的需求.
这项研究有助于优化素补充策略,以提高产卵母业务的经济回报.

关键词:

氨基酸是氨基酸中的一种.稀释技术的稀释技术使用效率的使用效率.产卵产量是蛋的产量.阅读模型阅读模型

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