منابع مشابه
Groundwater pollution by nitrates from livestock wastes.
Utilization of wastes from livestock complexes for irrigation involves the danger of groundwater pollution by nitrates. In order to prevent and minimize pollution, it is necessary to apply geological-hydrogeological evidence and concepts to the situation of wastewater irrigation for the purposes of studying natural groundwater protectiveness and predicting changes in groundwater quality as a re...
متن کاملGreenhouse Gas Emissions from Livestock and Poultry
In 2008 the Environmental Protection Agency (EPA) estimated that only 6.4% of U.S. greenhouse gas (GHG) emissions originated from agriculture. Of this amount, 53.5% comes from animal agriculture. Agricultural activities are the largest source of N2O emissions in the U.S. accounting for 69% of the total N2O emissions for 2009. In animal agriculture, the greatest contributor to methane emissions ...
متن کاملLivestock odors: implications for human health and well-being.
The purpose of this paper is to examine the potential effects of livestock odors on the health and well-being of neighbors. Complaints of odor nuisance have become more frequent in communities surrounding areas with high concentrations of livestock. This increase in complaints from livestock odors parallels increased complaints of odor in general, including ammonia, diesel exhaust, beauty produ...
متن کاملEvaluation and comparison the incidence of respiratory diseases in poultry and livestock breeders in yazd
Background and aim: Farmers that have occupational exposed to the organic dust, bacteria, endotoxin, mites, and fungi, as well as the hazardous gases such as ammonia, sulfides, hydrogen and nitrogen oxides, may be affected by allergic asthma, non-allergic rhinitis, and organic dust toxic syndrome. This study aimed to determine the prevalence of respiratory symptoms and spirometry parameters be...
متن کاملInfluence of Natural Sources of Biologically Active Substances on Livestock and Poultry Reproduction
Synthetic hormones and bioactive substances (vitamins, pigments and isoflavons) which have been used in the feed industry are accumulated in milk, meat and eggs. It is suspected that these are responsible for a number of side-effects such as carcinogenesis, liver and kidney damage, allergies in consumers. Furthermore the synthetic hormones, vitamins, pigments are less active than those extracte...
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ژورنال
عنوان ژورنال: Nihon Chikusan Gakkaiho
سال: 1979
ISSN: 1346-907X,1880-8255
DOI: 10.2508/chikusan.50.759