Investigation of bio-aerosol dispersion in a tunnel-ventilated poultry house
نویسندگان
چکیده
منابع مشابه
Measurement and Numerical Simulation of Air Velocity in a Tunnel-Ventilated Broiler House
A building needs to be designed for the whole period of its useful life according to its requirements. However, future climate predictions involve some uncertainty. Thus, several sustainable strategies of adaptation need to be incorporated after the initial design. In this sense, tunnel ventilation in broiler houses provides high air velocity values (2–3 m·s−1) at animal level to diminish their...
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The aim of this study was to evaluate effects of microbial aerosols on immune function of ducks and shed light on the establishment of microbial aerosol concentration standards for poultry. A total of 1800 1-d-old cherry valley ducks were randomly divided into five groups (A, B, C, D, and E) with 360 ducks in each. To obtain objective data, each group had three replications. Concentrations of a...
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the present study aimed to investigate representation of discourse markers and metadiscourse markers in conversations and readings of general elt coursebook series used in the language centers of iran. to this aim, four elt coursebooks popularly taught in language centers of this country were analyzed based on fung and carter’s (2007) framework regarding discourse markers and hyland’s (2005) fr...
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ژورنال
عنوان ژورنال: Computers and Electronics in Agriculture
سال: 2019
ISSN: 0168-1699
DOI: 10.1016/j.compag.2019.105043