نتایج جستجو برای: livestock systems

تعداد نتایج: 1202376  

Journal: :Animal genetics 2010
S Joost L Colli P V Baret J F Garcia P J Boettcher M Tixier-Boichard P Ajmone-Marsan

In livestock genetic resource conservation, decision making about conservation priorities is based on the simultaneous analysis of several different criteria that may contribute to long-term sustainable breeding conditions, such as genetic and demographic characteristics, environmental conditions, and role of the breed in the local or regional economy. Here we address methods to integrate diffe...

Journal: :Revue scientifique et technique 2006
H Steinfeld T Wassenaar S Jutzi

This paper describes and assesses the current status of livestock production systems, the drivers of global livestock production, and the major trends in such production. The analysis covers the six major livestock species: cattle and buffaloes, goats and sheep, pigs and chickens. Global drivers of the livestock sector include economic growth and income, demographic and land use changes, dietar...

Journal: :Animal : an international journal of animal bioscience 2011
B K Boogaard S J Oosting B B Bock J S C Wiskerke

Over the past 50 years, the scale and intensity of livestock farming have increased significantly. At the same time, Western societies have become more urbanised and fewer people have close relatives involved in farming. As a result, most citizens have little knowledge or direct experience of what farming entails. In addition, more people are expressing concerns over issues such as farm animal ...

Journal: :Revue scientifique et technique 2005
W N Masiga S J M Munyua

Livestock production systems, production objectives, the cultural values of livestock keepers, and the close relationship between keepers and their livestock have evolved over the years and have influenced the quality of animal welfare in Africa. An equivalent level and quality of care is not evident for companion animals, especially dogs and donkeys, who are often mistreated and physically abu...

2000
R. D. Bremel E. J. Homan T. H. Howard

This paper addresses the context of decisions about the application of biotechnology in livestock agriculture. It specifically addresses the role of transgenic livestock in agriculture. Key innovations in livestock genetics and reproductive technology in the last century have laid the foundations upon which genetic engineering can be applied to livestock in the post-genomics era. Transgenesis i...

Today, livestock outflows from the forests of the north of the country have created environmental and social challenges and problems that have caused concern to natural resource policy makers.  The re-emergence of livestock and ranchers illegally in the forests for various reasons has created disputes and tensions with conservation systems. In this regard, the present study was conducted to ana...

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