搜索结果: 1-15 共查到“畜牧学 SYSTEMS”相关记录50条 . 查询时间(0.171 秒)
Effects of Three Feeding Systems on Production Performance, Rumen Fermentation and Rumen Digesta Particle Structure of Beef Cattle
Production Performance Rumen Fermentation Rumen Digesta Particle
2016/5/20
The effects of three different feeding systems on beef cattle production performance, rumen fermentation, and rumen digesta particle structure were investigated by using 18 Limousin (steers) with a si...
Assessment of Land Capability for Different Irrigation Systems by Parametric and Fuzzy Approaches in the Mashhad Plain, Northeast Iran
drip fuzzy approach land capability
2015/7/28
Water quality and quantity in agricultural systems of arid and semi- arid regions of the world are of great importance. In this regard the trend to pressurized irrigation systems compared to surface i...
Influence of mating systems and selection intensity on the extent of inbreeding and genetic gain in the Slovak Pinzgau cattle
Pinzgau breed mating strategy breeding program optimization
2015/7/3
The aim of the present paper was to simulate the scenarios for a maximum avoidance of inbreeding (MAI) mating strategy, and compare it with a random mating alternative, with the main focus on inbreedi...
Effect of various co-culture systems on embryo development in ovine
mesenchymal stem cell fibroblast oviduct in vitro production zygote
2015/6/24
Considering the advent of mesenchymal stem cells (MSCs) as a new source of somatic cells in embryo co-culture system, the current study was aimed to compare in vitro embryo development using embryonic...
The influence of housing systems on the air quality and bacterial eggshell contamination of table eggs
conventional cage system aviary air hygiene eggshell microorganisms
2015/6/8
This paper compares two different housing systems for laying hens producing table eggs, namely a conventional cage system and an aviary, during three summer months, starting from the 20th week of the ...
Embryo recovery from the oviduct in superovulated ewes: a method to improve MOET systems
embryo transfer MOET oviduct uterus superovulated sheep
2015/6/5
The efficiency of embryo recovery in a superovulatory treatment was studied by perfusing the oviduct or the uterine horn in 3.5 and 7 days after sponge withdrawal, respectively. Eighty-four and sevent...
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 ...
The effects of housing systems and age of hens on the weight and cholesterol concentration of the egg
conventional cages enriched cages litter system outdoor system yolk cholesterol egg weight
2015/6/4
The effects of laying hen age and the housing of laying hens in conventional cages, enriched cages, litter system and outdoor system on egg weight and yolk and egg cholesterol concentration were studi...
The effects of season and rearing systems on meat quality traits
broilers season rearing system meat quality
2015/6/2
With the aim to examine the effect of season and rearing system on major broiler meat quality traits appropriate experimental investigations were conducted. Trial material included a total of 800 one-...
Main sources of the economic efficiency of beef cattle production systems
beef cattle production systems marketing strategies
2015/6/1
The economic efficiency of several beef production systems on pasture was investigated under different marketing strategies. All calculations were carried out with the computer program ECOWEIGHT. None...
Antinociceptive mechanisms of Bunium persicum essential oil in the mouse writhing test: role of opioidergic and histaminergic systems
Bunium persicum antinociception
2015/5/25
The aim of the current study was to determine antinociceptive mechanisms of B. persicum essential oil
using an acetic acid-induced writhing test as a model of visceral pain and to determine the poss...
Effect of Suckling Systems on Serum Oxytocin and Cortisol Concentrations and Behavior to a Novel Object in Beef Calves
Oxytocin Cortisol Natural Suckling Investigative Behavior Calf Stress
2016/5/19
We investigated differences between effects of natural- and bucket-suckling methods on basal serum oxytocin (OT) and cortisol concentrations, and the effect of OT concentration on affiliative and inve...
Effects of Bedding Material Composition in Deep Litter Systems on Bedding Characteristics and Growth Performance of Limousin Calves
Serum Physico-chemical Parameters Ammonia-N Limousin Calves
2016/5/17
The objective of this study was to evaluate the effects of different litter mixture compositions on bedding system temperature, pH and volatile fatty acid and ammonia-N (NH3-N) content, and the serum ...
The capability of alfalfa grazing- and concentrate-based feeding systems to produce homogeneous carcass quality in light lambs over time
fat depot zoometric measurement lucerne
2014/10/23
The effects of grazing on the carcasses and meat of light lambs are unclear, mainly due to variations in weather conditions and pasture production, which affect the growth of lambs and the quality of ...
Evaluation of Various Packaging Systems on the Activity of Antioxidant Enzyme, and Oxidation and Color Stabilities in Sliced Hanwoo (Korean Cattle) Beef Loin during Chill Storage
Packaging Antioxidant Oxidation Stability Color Beef Loin Hanwoo
2016/5/17
The effects of various packaging systems, vacuum packaging (VACP), medium oxygen-modified atmosphere packaging (50% O2/20% CO2/30% N2, MOMAP), MOMAP combined with vacuum skin packaging (VSP-MOMAP), hi...