搜索结果: 1-13 共查到“知识库 Dairy Cow”相关记录13条 . 查询时间(0.078 秒)
Impact of glucogenic additive in transition dairy cow diets of varying ruminal starch degradability on yield and composition of milk and reproductive parameters
cows transition period glucogenic additive propylene glycol
2015/6/23
A two-factorial experiment was carried out on 6 groups (10 animals each) of Polish Black
and White Holstein-Friesian cows in the transition period to determine the effect of glucogenic additive
(G...
Possibilities of using dairy compounds exposed to different treatments in dairy cow feeding
dairy compound feed protected protein tannic acid
2015/6/1
This study was conducted to investigate the effects of untreated dairy compound feeds; DCF (control) and DCFs subjected to 2% fat (F); 2.5% tannic acid (TA); 2% fat + 2.5% tannic acid (F + TA) on the ...
Technologically difficult, pathogenic and food risky bacterial contamination of raw milk and other materials from dairy cow herds
dairy cow hygiene rough fodder
2015/6/1
Processing of milk for higher value-added products and milk food chain safety require prevention of higher occurrence of microorganisms that can produce spores. It is important to carry out prevention...
Effect of Dietary Cation-Anion Difference during Prepartum and Postpartum Periods on Performance, Blood and Urine Minerals Status of Holstein Dairy Cow
Dietary Cation-anion Difference Lactation Acid-base Balance Calcium Health Status Dairy Cow
2016/5/9
Twenty four periparturient cows were used to determine the effects of DCAD on acid-base balance, plasma and urine mineral concentrations, health status, and subsequent lactation performance. Each grou...
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)。...
Combination of linear and weighted goal programming with penalty function in optimisation of a daily dairy cow ration
spreadsheet ration optimization economics of dairy breeding linear programming weighted goal programming with penalty function
2014/3/3
The aim of the paper is to present a developed spreadsheet tool for the formulation of a daily dairy cow ration. it is constructed on the basis of two linked sub-models developed on the MS Excel platf...
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...
The Compositional Quality of Raw Milk Produced by Some Dairy Cow’s Farms in Khartoum State, Sudan
Raw Milk Some Dairy Cow’s Farms Khartoum State, Sudan
2010/11/10
This study aimed to evaluate the compositional quality of raw milk produced by the big 60
dairy cow’s farms at different locations of Khartoum State (Khartoum, Khartoum North and Omdurman; 20 farms f...
Replacing grass silage with pea-barley intercrop silage in the feeding of the dairy cow
peas barley intercrops whole crop silage legumes silage dairy cows feeding
2010/8/10
The effect of replacing wilted grass silage (GS) with pea-barley intercrop silage (PBS) on feed intake, diet digestibility and milk production was studied with 8 multiparous Ayrshire-cows in a replica...
Effects on Performance of Sulla and/or Maize Silages Supplements for Grazing Dairy Cow
In sacco Milk Pasture Silage Mixtures
2016/4/21
The objective of this study was to investigate the effects of either maize or sulla silage supplementation to grazing dairy cows in summer. Forage mixtures used in the four week trial were based on pr...
Physical properties of synthetic bedding materials for free-stall dairy cow
cows synthetic bed mats bedding materials physical properties
2010/8/11
Rest is a prerequisite for the well-being of cows and they spend 40?0% of the time lying down. In this study the basic physical properties, the friction coefficient, heat flux as a function of time an...