نتایج جستجو برای: Livestock distribution

تعداد نتایج: 629224  

Journal: :journal of rangeland science 2011
mehdi farahpour alireza naseri mohamasreza najibzaadeh mohamad fayaz mahmod moallemi

range management needs information on distribution of livestock. the better the distribution of the livestock, the more uniform the use of the rangeland. this study was conducted to record the path of the herd steering by the shepherd. a gps was attached to a three year old ewe which was moving with the flock. the path of flock movement was recorded for three years on a monthly basis during the...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سولماز ایمان آذر پردیس کشاورزی و منابع طبیعی دانشگاه تهران، توسعه کشاورزی حمید موحد محمدی پردیس کشاورزی و منابع طبیعی دانشگاه تهران، توسعه کشاورزی خلیل کلانتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران، توسعه کشاورزی فرحناز رستمی پردیس کشاورزی و منابع طبیعی دانشگاه تهران، توسعه کشاورزی

development along with improvement of sanitary and veterinary services are needed for production of protein acious food substances and reducing of domestic loss. this is important in food security in a society. this needs systematic planning for delivering proper services to livestock producer units as well as proper spatial distribution of veterinary services. the purposes of this study were a...

2015
Christopher L. Burdett Brian R. Kraus Sarah J. Garza Ryan S. Miller Kathe E. Bjork Michiel van Boven

Livestock distribution in the United States (U.S.) can only be mapped at a county-level or worse resolution. We developed a spatial microsimulation model called the Farm Location and Agricultural Production Simulator (FLAPS) that simulated the distribution and populations of individual livestock farms throughout the conterminous U.S. Using domestic pigs (Sus scrofa domesticus) as an example spe...

2014
Timothy P. Robinson G. R. William Wint Giulia Conchedda Thomas P. Van Boeckel Valentina Ercoli Elisa Palamara Giuseppina Cinardi Laura D'Aietti Simon I. Hay Marius Gilbert

Livestock contributes directly to the livelihoods and food security of almost a billion people and affects the diet and health of many more. With estimated standing populations of 1.43 billion cattle, 1.87 billion sheep and goats, 0.98 billion pigs, and 19.60 billion chickens, reliable and accessible information on the distribution and abundance of livestock is needed for a many reasons. These ...

1996
Richard H. Adams

This paper uses income decomposition techniques to demonstrate the importance of livestock income in improving rural income distribution. It is based on three-year household panel data (1986 to 1989) from rural Pakistan. The paper first decomposes total income among five sources: agricultural, nonfarm, livestock, rental and transfer. This shows that livestock income is inequality-decreasing and...

2017
Irene V. Wesley Karen M. Harmon Alice Green Eric Bush Scott Wells

We designed polymearse chain reaction (PCR) primers to distinguish Campylobacter jejuni from Campylobacter coli and to differentiate Arcobacter from other species of Campylobacter. We applied these PCR methods to estimate their prevalence in feces of healthy cattle and hogs and to identify risk factors for infection. For cattle, C. jejuni (23%), Arcobacter (11%), and C. coli (1.57%) were detect...

2010
Kensuke KAWAMURA Tsuyoshi AKIYAMA

In the arid and semi-arid regions of Northeast Asia, grassland degradation has become a major environmental and economic problem, so sustainable utilization of resources is crucial in terms of not only supporting the local and animal production but also thinking about the global environment. Especially in Mongolia and North China, grassland degradation has mainly been induced by artificial fact...

ژورنال: علوم آب و خاک 2003
جواد میرمحمد صادقی, , مهرداد توده روستا, ,

The purpose of this study is to investigate the income distribution among the farmers of two districts of lowland and upland of Savojbolagh township of Tehran Province, Iran. The data of this study were collected by filling out questionnaires through interviews with 350 farmers who were selected by stratified random sampling. For analysis, such techniques as Gini Ratio, comparing the quintiles,...

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