奶公犊瘤胃发育及对饲粮养分消化利用的机制  

Mechanisms of Rumen Development and Digestive Utilization of Dietary Nutrients of Dairy Male Calves

作　　者：李梦吉 王德志 曹佩佩 马燕芬 LI Mengji;WANG Dezhi;CAO Peipei;MA Yanfen(College of Animal Science and Technology,Ningxia University,Yinchuan 750021,China;Ningxia Borui Technology Co.,Ltd.,Yinchuan 750001,China)

机构地区：[1]宁夏大学动物科技学院,银川750021 [2]宁夏博瑞科技有限公司,银川750001

出　　处：《动物营养学报》2024年第5期2804-2812,共9页CHINESE JOURNAL OF ANIMAL NUTRITION

基　　金：宁夏回族自治区重点研发计划项目(2023BCF01034);宁夏回族自治区青年拔尖人才培养工程项目(2023);银川市科技创新团队项目(2023CXTD32)。

摘　　要：饲粮是奶公犊重要的营养基础,能调控机体生长。奶公犊由于幼龄时期的胃肠道发育不完善,机体内的微生物区系尚未形成且不稳定,很容易受到饲粮中营养成分的影响,进而对其后续的生长发育和生产性能的提升产生不利影响。因此,饲粮组成是否合理对奶公犊生长发育及消化道健康具有重要影响。本文就奶公犊瘤胃发育、消化及利用饲粮中碳水化合物、蛋白质和脂肪的机制及其对奶公犊生长发育的影响进行了综述,以期通过调整饲粮组成,确保奶公犊的健康发育,为今后奶公犊的研究与生产实践提供理论依据和技术支撑。Diet is the important nutritional basis of dairy male calves,which can regulate the growth of the body.Due to the incomplete development of gastrointestinal tract in young calves,the microflora in the body has not yet formed and is unstable,and it is easy to be affected by the nutrients in the diet,which will adverse⁃ly affect the subsequent growth and development and the improvement of production performance.Therefore,whether the diet composition is reasonable has an important effect on the growth and development of dairy male calves and the health of digestive tract.The rumen development,digestion and utilization mechanism of dietary carbohydrate,protein and fat,as well as their effects on the growth and development of dairy male calves were reviewed in this paper,in order to ensure the healthy development of dairy male calves by adjusting the diet composition,and provide theoretical basis and technical support for future research and production practice of dairy male calves.

关 键 词：奶公犊 瘤胃发育 瘤胃消化 饲粮 调控机制 

分 类 号：S823[农业科学—畜牧学]