Biological variations in efficiency of nutrient utilization

养分利用效率的生物变异

• 批准号: 250257-2012
• 负责人: Okine, Erasmus
• 金额: $ 2.26万
• 依托单位: University of Alberta
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=547562
• 关键词: Biological; variations; efficiency; nutrient; utilization

The overall goal of my metabolic research program is to make significant contributions to the beef and dairy production in Canada that addresses the increasing consumer demands for a sustainable and socially responsible animal agricultural industry. The long term goal of this Discovery Grant is to make significant contribution to elucidate the physiological mechanisms regulating the variation in efficiency of nutrient utilization between animals of the same type in terms of sex, age, breed etc on similar feed. There is enough evidence that there is a genetic basis for the variation in feed intake relative to maintenance and gain requirements. These differences in feed intake, measured as below or above the expected on the basis of size and growth are now measured as residual feed intake. We believe that these differences must be underpinned by measurable biological processes at the physiological level.

我的代谢研究计划的总体目标是为加拿大的牛肉和乳制品生产做出重大贡献，以满足消费者对可持续发展和社会责任的动物农业产业日益增长的需求。这项发现补助金的长期目标是为阐明调节性别、年龄、品种等同类动物在相似饲料下营养利用效率差异的生理机制做出重大贡献。有足够的证据表明，相对于维持和增重要求，采食量的变化存在遗传基础。根据体型和生长情况，这些低于或高于预期的采食量差异现在被测量为剩余采食量。我们认为，这些差异必须在生理水平上得到可测量的生物过程的支持。