搜索结果: 1-15 共查到“畜牧学 milking”相关记录17条 . 查询时间(0.031 秒)
The influence of milking on the teat canal of dairy cows determined by ultrasonographic measurements
ultrasonography udder teat regeneration milking traits
2017/2/21
The effect of milking on the length and diameter of the teat canal during teat regeneration immediately after milking was evaluated. The practical measurements of the teat canal were performed on 70 H...
Effect of the first and second postpartum partial milking on blood serum calcium concentration in dairy cows
incomplete colostrum milking subclinical hypocalcemia milk fever
2015/7/3
Parturient paresis and subclinical hypocalcemia are frequent metabolic disorders in dairy cows postpartum. The aim of this study was to determine the effect of postpartum partial milking in the first ...
Vacuum level for opening the teat sphincter and the change in the teat end wall thickness in response to the machine milking of indigenous Greek goats
goat machine milking vacuum level teat thickness teat sphincter
2015/6/5
The aim of this paper was to study some of the teat characteristics involved in the milking ability of indigenous Greek goats such as the vacuum level of the milking machine that is required for the o...
Airborne noise, structure-borne sound (vibration) and vacuum stability of milking systems
milking stress milking machine
2015/6/5
Problems with milking and udder health can be attributed to the following causes: (1) sound intensity level (noise) > 65 dB in the milking area, (2) transmission of oscillation (vibration) > 0.3 m/s2 ...
Modelling Pasture-based Automatic Milking System Herds: The Impact of Large Herd on Milk Yield and Economics
Walking Distance Milking Interval Milk Yield Profit
2016/5/18
The aim of this modelling study was to investigate the effect of large herd size (and land areas) on walking distances and milking interval (MI), and their impact on milk yield and economic penalties ...
Modelling Pasture-based Automatic Milking System Herds: System Fitness of Grazeable Home-grown Forages, Land Areas and Walking Distances
Herd Size Walking Distance Grazeable Home-Grown Forages
2016/5/18
To maintain a predominantly pasture-based system, the large herd milked by automatic milking rotary would be required to walk significant distances. Walking distances of greater than 1-km are associat...
Modelling Pasture-based Automatic Milking System Herds: Grazeable Forage Options
Agricultural Production Systems Simulator Dairy Forage Options Forage Rotations
2016/5/18
One of the challenges to increase milk production in a large pasture-based herd with an automatic milking system (AMS) is to grow forages within a 1-km radius, as increases in walking distance increas...
Grazing Soybean to Increase Voluntary Cow Traffic in a Pasture-based Automatic Milking System
Automatic Milking System Cow Traffic Pasture Soybean
2016/5/16
Pasture-based automatic milking systems (AMS) require cow traffic to enable cows to be milked. The interval between milkings can be manipulated by strategically allocating pasture. The current experim...
Effect on Milking Performance of Vitamin-Trace Element Supplements to Early Lactation Italian Brown Cows Grazing Ryegrass (Lolium multiflorum) Pasture
Cow Pasture Vitamin Trace Element Milk Yield
2016/5/6
The objective of this study was to examine the effects of concentrates containing different levels of a vitamin-trace elements premix on milk yield and composition of dairy cows. The trial, which last...
Modelling of heat exchange of milking parlour
uninsulated cowshed work environment indoor climate
2010/1/18
Modelling of heat exchange of milking parlour.
Robotic Milking of Dairy Cows.
Milking-related changes of teat temperature caused by various milking machines
teat temperature milking machine infrared thermography
2014/2/27
The aim of the performed work was to verify the hypothesis that different milking equipments have different influence on the blood circulation in the milk gland during milking. This influence was inve...
Introduction of automatic milking system in Finland effect on milk quality
automatic milking milk quality somatic cell count total bacteria count
2010/8/11
When an automatic milking system (AMS) is introduced on a farm the milking of cows and related work is changed in many ways compared to farms with traditional milking systems. The objective of this pa...
Non-contact thermometry in the milking stopping control system
laser thermometer liners climatic operational factors
2015/6/1
The paper deals with the detection of “idle milking” times for individual quarters of the udder in a group of dairy cows (randomly selected) in a parallel 2 × 12 milking parlour. A non-contact laser t...
Machine milking ability and milk composition of some imported dairy goat breeds and some crosses in Greece
milking ability machine milking milk partitioning goats crossbreds
2015/6/1
A random sample of 40 goats was used to study the partitioning, yield and composition of milk: 8 of Saanen breed (S), 8 of Damascus breed (D), 8 crossbreds Saanen × Local Greek goat (S × L), 8 backcro...