Mathematical Model for Thermal Environment and Broiler Chickens Performance Prediction in Acclimatized Housings
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Since 1905, the Department of Agricultural Engineering, now the Department of Agricultural and Biosystems Engineering (ABE), has been a leader in providing engineering solutions to agricultural problems in the United States and the world. The department’s original mission was to mechanize agriculture. That mission has evolved to encompass a global view of the entire food production system–the wise management of natural resources in the production, processing, storage, handling, and use of food fiber and other biological products.
History
In 1905 Agricultural Engineering was recognized as a subdivision of the Department of Agronomy, and in 1907 it was recognized as a unique department. It was renamed the Department of Agricultural and Biosystems Engineering in 1990. The department merged with the Department of Industrial Education and Technology in 2004.
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1905–present
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- Department of Agricultural Engineering (1907–1990)
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- College of Agriculture and Life Sciences (parent college)
- College of Engineering (parent college)
- Department of Industrial Education and Technology, (merged, 2004)
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Abstract
This research aimed to develop and validate a mathematical model to predict thermal environment, main physiological responses, and productive performance of broiler chickens throughout acclimatized housing equipped with negative pressure tunnel ventilation systems associated with evaporative pad cooling, misting system, or both systems. Experimental results, used to validate the model showed that standard errors between simulated and measured values were smaller than or equal to 1.27, except for relative humidity, daily feed intake, and respiration rate, which were 5.43%, 1.77 g/day, and 2.15 breathes/min, respectively. It was concluded that the proposed mathematical model simulated satisfactorily all response variables modeled, allowing simulation of several production scenarios.
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This article is from Pp 729-736 in Livestock Environment VIII, Proceedings of the International Symposium. (31 August – 4 September 2008, Iguassu Falls, Brazil) St. Joseph Michigan: ASABE. 31 August 2008. ASAE Pub #701P0408.