搜索结果: 1-4 共查到“工学 dairy cow”相关记录4条 . 查询时间(0.046 秒)
智能化个体奶牛精确饲喂机设计与实验（Design and Experiment on Intelligent Precising Feeding Machine for Single Dairy Cow）
奶牛养殖 精确饲喂 射频识别技术
2009/12/28
要实现奶牛高产必须保证奶牛瘤胃pH值的稳定，要实现瘤胃pH值稳定必须对个体奶牛精饲料量进行精确饲喂，精饲料的数量对瘤胃pH值波动具有重要影响。设计了基于射频识别技术和单片机技术的个体奶牛精确饲喂机，可以实现个体奶牛精饲料量的精确饲喂。通过一个月饲喂实验表明，个体奶牛日产量提高了4kg。
奶牛体型评定三维图像同步采集系统（3D Synchronization Imaging System for Linear Appraisal of Dairy Cow Conformation）
奶牛 体型评定 三维图像
2009/5/22
设计奶牛体型评定三维图像同步采集系统，采用集散控制结构协调奶牛定位设备、图像采集装置按预定时序工作，应用3个CCD彩色摄像机与具有多通道、多独立图像芯片的DH—QP300型图像采集卡，实现了奶牛三维图像同步采集；采用LabVIEW软件作为采集主程序，通过调用动态链接库控制通用图像采集卡，选用场方式采集模式提高图像质量。试验证明，每头奶牛的图像采集与线性评定时间在3min左右,小于5min(标准)。...
The Effect of Dietary Crude Protein as Protected Soybean Meal on Mammary Metabolism in the Lactating Dairy Cow
protein mammary gland metabolism lactation
2008/7/21
Metabolism in the mammary gland was related to changes in milk output in response to changes in dietary protein intake. Three diets of grass silage and concentrate were fed to four lactating dairy cow...
The Impact of a Monensin Controlled-Release Capsule on Subclinical Ketosis in the Transition Dairy Cow
lactating dairy cows monensin controlled-release capsule subclinical ketosis
2008/7/11
An experiment was designed to examine subclinical ketosis in periparturient dairy cows and the antiketogenic effects of monensin. Subclinical ketosis was induced through a 10% feed restriction and was...