Auburn University Poultry Ventilation and Housing           NPTC - National Poultry Technology Center at Auburn University

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Four Most Recent Newsletters

#84 High Windspeed for Large Birds

#83 Fan Belt Tensioner Failure

#82 On-Farm

Fan Testing

#81 LED Lighting Update

Four Most Popular Newsletters
#76 Get Ready for Hot Weather #74 Generator Service

#52 Energy Auditing Houses

#59 Efficient Lighting

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New Newsletter #84 - "High Windspeed for Large Birds - Practical Considerations" - Download Newsletter Here


Over the past five years, we have been seeing steep increases in windspeed requirements for large birds, from about 500 feet per minute up to 750 fpm. Why has this happened? Higher windspeed dissipates more heat from these birds, resulting in better feed conversion, faster growth rate, lower mortality, and increased yields. This newsletter outlines the most important practical engineering and economic considerations growers and companies must understand in meeting high windspeed requirements - including real-world considerations as to exactly how windspeed is defined, determined or measured.

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Newsletter #83 - "Tensioner Failure - Serious Problem, Easy Fix" - Download Newsletter Here

belt tensioner

An integral part of many, if not most, modern poultry house fans is a spring loaded belt tensioner. Tensioners have an important role in helping maintain proper belt tension and allowing the fan motor to transfer all its power to the fan blades - insuring maximum air moving capabilities. However, if tensioners fail to work properly the result is likely to be serious losses in ventilation rate and windspeed. Given the environment they have to work in, with all the moisture and dust that cannot be avoided in a poultry house, it is no wonder that one of the most common and problematic issues is tensioners freezing up and thereby robbing the fan of much of its power to move air. Luckily this can be a simple problem to remedy.

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Mission: Improve bottom line profitability of the live production sector of the US poultry industry by providing timely applied research and education resulting in increased efficiencies in housing, equipment, energy and environmental control. Poultry housing, energy, ventilation, economics, and management problems are usually intertwined and very complex.  In trying to find solutions to these major grower and industry problems, we at Auburn University have successfully used a teamwork approach for several years. The Auburn Poultry Housing Team collaborating in this work includes Jim Donald - Ag Engineer, Gene Simpson - Ag Economist, Jesse Campbell - Poultry Housing Specialist, and Dennis Brothers - Extension Poultry Housing Specialist. Feel free to contact any team member if you have questions relating to their areas of expertise. Please note, however, that team members cannot provide design recommendations or diagnose specific problems through email.

Last Updated: August 7, 2014

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