نتایج جستجو برای: agricultural and livestock nurturing

تعداد نتایج: 16846818  

2010

IN THE belief that the time is ripe for a thorough reexamination of present methods and results in livestock breeding, this introductory article endeavors to present a summary of the general situation. Even though they are presented with a due realization of their tentative nature, some of the conclusions will be considered debatable. It is hoped, however, that they will arouse active and thoug...

2014
Zhigang Xu Bryce Holmes

The levels and composition of agricultural dusts are influenced by animal species, production strategy, housing type and ventilation efficiency. Agricultural dust within animal houses is complex and consists of feed particles, microbes and their products, dander, fecal matter, gases, metals and other organic and inorganic components. Livestock and poultry production facilities may be categorize...

2007
MARIA ANTONOVA Maria Antonova Manfred Zeller

This study analyses the substantial decline in livestock sector in Russia during the last twenty years. The observed decline could be explained by a range of factors, which are supported in this paper through a review of past research results as well as time series data related to the livestock sector. The study concludes with implications and recommendations for agricultural sector development...

Journal: :journal of agricultural science and technology 2012
b. maleki s. avetisyan z. permeh f. paseban

iran's economy dependence on oil revenues has caused some impacts in the form of commodity price fluctuations on current revenues. accordingly, in the past few years especially in the second development plan, the government included encouragements and reduced the country's dependence on oil revenues in its agenda. agricultural export, especially livestock and poultry export has a proper status ...

Journal: :بوم شناسی کشاورزی 0
روح اله مرادی مسعود سامی

sustainability of productions in agricultural ecosystems depends on conservation and amplification of biodiversity. this study was conducted to determine the planting area, species richness, species evenness and biodiversity of different agronomical, horticultural and livestock productions in kerman province. for this purpose, information about planting area of agronomical and horticultural pla...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2008
Astrid Zabel Karin Holm-Müller

Many carnivores require vast territories, and as human population increases, more pristine natural areas are being developed and converted into agricultural land. Unsurprisingly, carnivores that live at the fringe between wild and agricultural land occasionally prey on livestock. Predation of livestock can result in severe economic losses (Mishra 1997; Thirgood et al. 2005; Woodroffe et al. 200...

2002

Livestock sector plays a critical role in the welfare of India's rural population. It contributes nine percent to Gross Domestic Product and employs eight percent of the labour force. This sector is emerging as an important growth leverage of the Indian economy. As a component of agricultural sector, its share in gross domestic product has been rising gradually, while that of crop sector has be...

2011
S. C. Fahrenkrug A. Tindall

the conservation of gene-function and physiology between people and livestock species advocates for their utility in modeling human disease. Furthermore, agricultural animal production will play a pivotal role in providing high-quality protein to advance human health in the face of a burgeoning global population. Both the development of animal models and the improvement of livestock for food ca...

2003
A. P. Rutabanzibwa

INTRODUCTION One of the major challenges faced by the livestock sub-sector in Tanzania is how to utilize opportunities available from the ongoing socio-economic reforms to enable the sub-sector to become one of the major contributors to the national GDP. This is because livestock production is one of the major agricultural activities in Tanzania. As a major local income assuror, the livestock s...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011
Philip K Thornton Peter G Jones Polly J Ericksen Andrew J Challinor

Agricultural development in sub-Saharan Africa faces daunting challenges, which climate change and increasing climate variability will compound in vulnerable areas. The impacts of a changing climate on agricultural production in a world that warms by 4°C or more are likely to be severe in places. The livelihoods of many croppers and livestock keepers in Africa are associated with diversity of o...

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