نتایج جستجو برای: livestock production activities

تعداد نتایج: 970045  

Journal: :Revue scientifique et technique 2015
F Bouyer J Bouyer M T Seck B Sall A H Dicko R Lancelot E Chia

In Senegal, a project has been undertaken to eradicate a population of tsetse flies (Glossina palpalis gambiensis) from a prime area for intensifying livestock production--the coastal region of Niayes. The project is intended to remove the constraint of trypanosomosis and allow the ecological intensification of cattle production. A cross-sectional analysis of ten case studies was the inductive ...

1999
Allan N Rae Thomas W Hertel

The ongoing trend towards livestock product consumption in many Asian countries has been accompanied by growth in some countries’ imports of feedgrains for their domestic livestock sectors. It has also has put pressure on available grain supplies for human consumption. With regard to China, this contributes to the ongoing debate over future levels of her grain imports. Yet published projections...

1999
AKKE J. VAN DER ZIJPP

Agricultural ecosystems are dependent for their natural resources on originally natural ecosystems. Agricultural ecosystems are also served by natural ecosystems with ecosystem services. Livestock will play a more important role in the next millennium because of the rising demand for animal food in the developing countries. Structural changes in land use through intensification of mixed farming...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Rob Alkemade Robin S Reid Maurits van den Berg Jan de Leeuw Michel Jeuken

Biodiversity in rangelands is decreasing, due to intense utilization for livestock production and conversion of rangeland into cropland; yet the outlook of rangeland biodiversity has not been considered in view of future global demand for food. Here we assess the impact of future livestock production on the global rangelands area and their biodiversity. First we formalized existing knowledge ab...

Journal: :Jurnal layanan masyarakat (Journal of public services) 2023

The Community Service carried out in Pulang Pisau Regency 2022 aims to help increase the livestock population. This activity was conducted July - August 2022, through preparation stage, implementation of activities consisting counselling and field activities, as well evaluation with participants filling questionnaires. material presented FMD its handling, production duck ruminant rations, cattl...

Journal: :مرتع و آبخیزداری 0
قادر کریمی عضو هیئت علمی مؤسسة تحقیقات جنگل ها و مراتع کشور حسن یگانه استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان معصومه عباسی خالکی دانشجوی دکتری دانشگاه محقق اردبیلی مهدی معمری دانشجوی دکتری مرتع داری دانشکدة منابع طبیعی دانشگاه تهران هادی افرا کارشناس ارشد دانشگاه علوم کشاورزی و منابع طبیعی گرگان

to evaluate the vegetative and productive characteristics and forage utilization by livestock at different stages of bromus tomentellus boiss.phonology, this experiment was carried out during five years in kordan rangeland of alborz province rangelands. so starting the grazing season and livestock entering, any remaining amount of forage grazing was harvested until a month intervals, and utiliz...

1998
Marcel Fafchamps

This paper revisits the tragedy of the commons and examines the conditions under which externalities contribute to livestock cycles. Using a stylized intertemporal model capturing the main characteristics of African livestock producers, we show that externalities magnify livestock cycles triggered by occasional droughts. This is true even when producers are fully rational. Two forces fuel such ...

2007
Samuel Kofi Baidoo

Background and Objectives: Pollution of the environment has become one of the very serious problems in the world. Factors contributing to these problems are both natural causes and man created activities. As livestock production intensifies, air, water and soil pollution becomes a problem. Utilization of feedstuffs especially by young pigs is influenced by the presence of anti-nutritional facto...

2014
Franco Cotana Antonio Messineo Alessandro Petrozzi Valentina Coccia Andrea Aquino

The Biomass Research Centre, section of CIRIAF, has recently developed a biomass boiler (300 kW thermal powered), fed by the poultry manure collected in a nearby livestock. All the thermal requirements of the livestock will be covered by the heat produced by gas combustion in the gasifier boiler. Within the activities carried out by the research project ENERPOLL (Energy Valorization of Poultry ...

2004
J. Mark Powell Pierre H. Hiernaux

crop production technologies. In many regions, livestock are also a means of storing capital, of buffering Many semiarid regions of Sub-Saharan Africa (SSA) are experiencfood shortages in years of poor crop production, and of ing vast increases in human population pressure and urbanization. meeting social and religious obligations of farmers. These augment the demand for agricultural products a...

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