نتایج جستجو برای: livestock

تعداد نتایج: 22194  

2005
Mindy J. Spiehs

The livestock industry has undergone substantial changes in the past few decades. The poultry, swine, and dairy industries in particular have become increasingly concentrated. This has resulted in fewer, but larger, livestock operations throughout the country. As a result, there has been a growing concern about odor emissions from livestock operations and potential decreased water quality cause...

Feed resources availability at cheap and affordable prices for livestock consumption are major factors determining capability of livestock production to supply products for increasing urban and cities consumers in Nigeria. To take advantages of the high demand in urban areas, livestock producers on extensive pastoralism are moving closer to cities and urban communities such as Abuja the Nigeria...

Journal: :Epidemics 2015
E Brooks-Pollock M C M de Jong M J Keeling D Klinkenberg J L N Wood

The transmission of infectious diseases of livestock does not differ in principle from disease transmission in any other animals, apart from that the aim of control is ultimately economic, with the influence of social, political and welfare constraints often poorly defined. Modelling of livestock diseases suffers simultaneously from a wealth and a lack of data. On the one hand, the ability to c...

2016
Stamatis Aggelopoulos Christos Karelakis Georgios Tsantopoulos Alexandra Pavloudi Paschalis Seitanis

The present study endeavors to investigate the attitudes, opinions and perceptions of livestock farmers regarding the main problems they face and confine the development of livestock in the Greek region of Evros. Primary data were collected through a quantitative survey (structured questionnaire) with livestock farmers in the region. The analysis of the survey data was carried out with the use ...

2015
Marther W. Ngigi Ulrike Muller Regina Birner

This study examines the impact of multiple shocks on assets by employing two waves of a panel data set of 360 rural households in three agro-ecological zones in Kenya. To control for unobserved heterogeneity, a ‘within’ household fixed effects model was employed. One major finding is that climatic shocks negatively affect households’ livestock holdings -apart from small ruminant and non-ruminan...

Journal: :Bioscientifica Proceedings 2019

Journal: :Environmental Health Perspectives 1995

2007
D. Roland-Holst J. Otte

In this report, we present a series of empirical techniques to examine linkage between livestock and livelihood, using data from Senegal, a West African economy with high levels of smallholder poverty and livestock dependence. Our results for this country show that livestock dependent populations are more likely to be poor and the severity of their poverty is greater, yet the same reliance on l...

Journal: :Animal : an international journal of animal bioscience 2014
S J Oosting H M J Udo T C Viets

Because of an increasing demand for animal-source foods, an increasing desire to reduce poverty and an increasing need to reduce the environmental impact of livestock production, tropical farming systems with livestock must increase their productivity. An important share of the global human and livestock populations are found within smallholder mixed-crop-livestock systems, which should, theref...

Journal: :اقتصاد و توسعه کشاورزی 0
مهرداد باقری عبدالکریم اسماعیلی منصور زیبایی

this study develops a long run optimal pattern for nomadic ranchers of fars province under climate uncertainty by simulating dynamic process of livestock and forage productivity as well as employing dynamic stochastic programming. results indicate that the nomadic representatives do not perform, optimally. despite their attachments to livestock as an asset, and their life dependency on livestoc...

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