نتایج جستجو برای: sustainable livestock productionsystem

تعداد نتایج: 143826  

2016
Elena M. Bennett Rebecca Chaplin-Kramer

Sustainability is a key challenge for humanity in the 21st century. Ecosystem services-the benefits that people derive from nature and natural capital-is a concept often used to help explain human reliance on nature and frame the decisions we make in terms of the ongoing value of nature to human wellbeing. Yet ecosystem service science has not always lived up to the promise of its potential. De...

Journal: :Animal : an international journal of animal bioscience 2012
J Ryschawy N Choisis J P Choisis A Joannon A Gibon

Intensification and specialisation of agriculture in developed countries enabled productivity to be improved but had detrimental impacts on the environment and threatened the economic viability of a huge number of farms. The combination of livestock and crops, which was very common in the past, is assumed to be a viable alternative to specialised livestock or cropping systems. Mixed crop-livest...

Journal: :Sustainability 2021

The growing demand for animal source foods to feed people has been pushing the livestock industry increase productivity, a tendency that will continue throughout this century. challenge coming years is food supply ensure equity in access high quality food, while maintaining global sustainability including combating climate change, avoiding deforestation, and conserving biodiversity, as well ens...

Journal: :Journal of Animal Science 2022

Abstract The genetic selection is a form of optimization. Traits in explicit or implicit index are improved, while other traits change according to correlations among the traits. After long selection, usually production improve fitness deteriorate. At gene level, it seems that genes associated with positive effects on major tend fixation, and remaining large effect exhibit pleiotropy. While for...

Journal: :Applied ergonomics 2015
Ayubkhon Radjiyev Hai Qiu Shuping Xiong KyungHyun Nam

The need for sustainable development has been widely recognized and sustainable development has become a hot topic of various disciplines even though the role of ergonomics in it is seldom reported or considered. This study conducts a systematic survey of research publications in the fields of ergonomics and sustainable development over the past two decades (1992-2011), in order to identify the...

2013
Marine Elbakidze Thomas Hahn Volker Mauerhofer Per Angelstam Robert Axelsson

The Biosphere Reserve (BR) concept aims at encouraging sustainable development (SD) towards sustainability on the ground by promoting three core functions: conservation, development, and logistic support. Sweden and Ukraine exemplify the diverse governance contexts that BRs need to cope with. We assessed how the BR concept and its core functions are captured in national legislations. The result...

ژورنال: مرتع 2022

Background and purpose: Livestock exploitation and grazing is the most important human activity, the choice of which depends on various factors. The importance of how to manage customary rangeland systems in recent decades has made it one of the challenges of rangeland management in the country. Rangelands need principled management and planning for existing resources (water, soil and plants) a...

2010
J. J. McDermott S. J. Staal H. A. Freeman M. Herrero J. A. Van de Steeg

Available online xxxx Smallholder livestock keepers represent almost 20% of the world population and steward most of the agricultural land in the tropics. Observed and expected increases in future demand for livestock products in developing countries provide unique opportunities for improving livelihoods and linked to that, improving stewardship of the environment. This cannot be a passive proc...

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...

2011
Beatrix von Wissmann Noreen Machila Kim Picozzi Eric M. Fèvre Barend M. deC. Bronsvoort Ian G. Handel Susan C. Welburn

BACKGROUND Trypanosomiasis is regarded as a constraint on livestock production in Western Kenya where the responsibility for tsetse and trypanosomiasis control has increasingly shifted from the state to the individual livestock owner. To assess the sustainability of these localised control efforts, this study investigates biological and management risk factors associated with trypanosome infect...

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