نتایج جستجو برای: poultry by
تعداد نتایج: 7056935 فیلتر نتایج به سال:
background and objectives: a number of different subtypes of avian influenza (ai) viruses have emerged in humans includingh5n1, h7n2, h7n7 and h9n2. these influenza viruses are excreted in the infected birds and in their respiratory secretions.the aim of this study was to investigate seropositivity against h9n2 and h7n7 viruses among poultry and slaughterhouse workers with occupational risk of ...
Avian colibacillosis and salmonellosis are considered to be the major bacterial diseases in the poultry industry world-wide. Colibacillosis and salmonellosis are the most common avian diseases that are communicable to humans. This article provides the vital information on the epidemiology, pathogenesis, diagnosis, control and public health concerns of avian colibacillosis and salmonellosis. A b...
The increase of productivity in the poultry industry has been accompanied by various impacts, including emergence of a large variety of pathogens and bacterial resistance. These impacts are in part due to the indiscriminate use of chemotherapeutic agents as a result of management practices in rearing cycles. This review provides a summary of the use of probiotics for prevention of bacterial dis...
This study assessed the technical effi ciency of family poultry production in NigerDelta, Nigeria. The technical effi ciency estimate shows that the technical effi ciency of family poultry ranges between 0.09 and 0.63, with mean of 0.22. This indicates that on the average, the respondents are 22% effi cient in the use of combination of their inputs. The elasticity estimate of 12.29 indicates th...
Buffalo Development Project, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh This study attempts to estimate the income from native poultry production and analyze the efficiency of resources used covering three coastal districts of Bangladesh namely Noakhali, Patuakhali and Satkhira. A total of 180 poultry rearers were selected from different villages of the districts using pu...
risk and uncertainty in agricultural activities are being considered by agricultural producers as main obstacle in adopting new technologies and also mentioned as a hinder for the new agricultural investment. risk management is important and should be taken into account since uncertainty is inherent in the price and production as well as income of the farmers. in this paper, we study the role o...
background and objectives: unhygienic poultry feedstuffs can lead to nutrient losses and detrimental effect on poultry production and public health. in the present study, mycobiota and colony-forming units per gram in ingredients and finish poultry feed was evaluated with special reference to potentially mycotoxigenic fungi. materials and methods: eighty five samples of corn, soybean meal and p...
The importance of poultry production worldwide is underscored by this statistic: poultry meat represents almost one-third of meat produced and consumed globally. Moreover, egg production, on a weight basis, is almost 80% that of poultry meat production. This was addressed in a previous editorial (Scanes, 2007b). The basis for the increasing importance of poultry worldwide has been research on g...
OBJECTIVE The objective of this study was to assess respiratory outcomes and environmental exposure levels of workers in cage-housed and floor-housed poultry operations. METHODS Poultry operations were evaluated for total dust, endotoxin, and ammonia, and respiratory symptoms and lung function tests of workers were conducted. RESULTS Workers in floor-housed poultry operations had significan...
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