نتایج جستجو برای: livestock systems

تعداد نتایج: 1202376  

2005
K. Kaku A. Ogino A. Ikeguchi T. Osada K. Shimada

The objectives of this presentation are to evaluate and compare the environmental burdens of the two different concentrate feed supply systems to Japanese domestic livestock industry. Life-Cycle Assessment (LCA) method is used on the two systems such as the conventional system depending on US-imported corn and the proposed new system. Japanese domestic livestock industry could reduce 78,462 ton...

Journal: :Animal : an international journal of animal bioscience 2013
M Herrero D Grace J Njuki N Johnson D Enahoro S Silvestri M C Rufino

Livestock play a significant role in rural livelihoods and the economies of developing countries. They are providers of income and employment for producers and others working in, sometimes complex, value chains. They are a crucial asset and safety net for the poor, especially for women and pastoralist groups, and they provide an important source of nourishment for billions of rural and urban ho...

Journal: :Animal : an international journal of animal bioscience 2011
L Gouttenoire S Cournut S Ingrand

Livestock farming has recently come under close scrutiny, in response especially to environmental issues. Farmers are encouraged to redesign their livestock farming systems in depth to improve their sustainability. Assuming that modelling can be a relevant tool to address such systemic changes, we sought to answer the following question: 'How can livestock farming systems be modelled to help fa...

2014
Mathieu VIgnE

Questioning this report, a recent study conducted by CIRAD in four different regions shows that extensive dairy systems in Mali can be more efficient than intensive systems in Reunion Island, and just as efficient as semi-intensive systems in western France. This result was obtained using the emergy methodology, which uses one type of unit to evaluate all the resources consumed to generate food...

Journal: :Revue scientifique et technique 2010
A C Schlink M L Nguyen G J Viljoen

Water is a vital but poorly studied component of livestock production. It is estimated that livestock industries consume 8% of the global water supply, with most of that water being used for intensive, feed-based production. This study takes a broad perspective of livestock production as a component of the human food chain, and considers the efficiency of its water use. Global models are in the...

Journal: :Trends in parasitology 2004
Peter J Waller Stig M Thamsborg

Collectively, nematode parasites of domestic ruminants continue to pose the greatest disease problem in grazing livestock systems worldwide, despite the powerful and extensive chemotherapeutic arsenal available for their control. The widespread development of anthelmintic resistance, particularly in nematode parasites of small ruminants, and the trend towards non-chemical (ecological, organic, ...

2003
K. P. Kirkman P. C. de Faccio Carvalho

Rangelands essentially comprise geographical regions dominated by grass with or without scattered woody plants. Rangelands are often considered to function primarily as feed for livestock. In this view, conservation and biodiversity issues are secondary. The alternate view involves recognising rangelands as a biome without a specific function, but where there is an implied responsibility for in...

2007
H - J Mueller H Krause

In livestock farming the climate within an animal house is a dominant factor for animal welfare. There are threshold values or recommendations for the most important climate parameters. Temperature, humidity, CO2 and NH3 gas concentrations, germs, dust, odour and air flow velocity have to be observed. Unfortunately the necessary ventilation of livestock buildings leads to emissions, too. So an ...

2017
Marius Gilbert Xiangming Xiao Timothy P Robinson

Several kinds of pressure can lead to the emergence of infectious diseases. In the case of zoonoses emerging from livestock, one of the most significant changes that has taken place since the mid twentieth century is what has been termed the "livestock revolution", whereby the stock of food animals, their productivity and their trade has increased rapidly to feed rising and increasingly wealthy...

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