Mathematical model for thermal environment and broiler chickens performance prediction in acclimatized housings

V. F. Carvalho; T. Yanagi; H. Xin; R. S. Gates; F. Damasceno; S. R.P. Moraes

Mathematical model for thermal environment and broiler chickens performance prediction in acclimatized housings

V. F. Carvalho, T. Yanagi, H. Xin, R. S. Gates, F. Damasceno, S. R.P. Moraes

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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.

Original language	English (US)
Title of host publication	Livestock Environment VIII - Proceedings of the 8th International Symposium
Pages	729-736
Number of pages	8
State	Published - 2008
Externally published	Yes
Event	8th International Livestock Environment Symposium, ILES VIII - Iguassu Falls, Brazil Duration: Aug 31 2008 → Sep 4 2008

Publication series

Name	Livestock Environment VIII - Proceedings of the 8th International Symposium

Other

Other	8th International Livestock Environment Symposium, ILES VIII
Country/Territory	Brazil
City	Iguassu Falls
Period	8/31/08 → 9/4/08

Keywords

Cooling system
Thermal comfort
Wind tunnel ventilation

ASJC Scopus subject areas

Agricultural and Biological Sciences (miscellaneous)
Animal Science and Zoology

Library availability

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Carvalho, V. F., Yanagi, T., Xin, H., Gates, R. S., Damasceno, F., & Moraes, S. R. P. (2008). Mathematical model for thermal environment and broiler chickens performance prediction in acclimatized housings. In Livestock Environment VIII - Proceedings of the 8th International Symposium (pp. 729-736). (Livestock Environment VIII - Proceedings of the 8th International Symposium).

Mathematical model for thermal environment and broiler chickens performance prediction in acclimatized housings. / Carvalho, V. F.; Yanagi, T.; Xin, H. et al.
Livestock Environment VIII - Proceedings of the 8th International Symposium. 2008. p. 729-736 (Livestock Environment VIII - Proceedings of the 8th International Symposium).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Carvalho, VF, Yanagi, T, Xin, H, Gates, RS, Damasceno, F & Moraes, SRP 2008, Mathematical model for thermal environment and broiler chickens performance prediction in acclimatized housings. in Livestock Environment VIII - Proceedings of the 8th International Symposium. Livestock Environment VIII - Proceedings of the 8th International Symposium, pp. 729-736, 8th International Livestock Environment Symposium, ILES VIII, Iguassu Falls, Brazil, 8/31/08.

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keywords = "Cooling system, Thermal comfort, Wind tunnel ventilation",

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AU - Carvalho, V. F.

AU - Yanagi, T.

AU - Xin, H.

AU - Gates, R. S.

AU - Damasceno, F.

AU - Moraes, S. R.P.

PY - 2008

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N2 - 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.

AB - 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.

KW - Cooling system

KW - Thermal comfort

KW - Wind tunnel ventilation

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Mathematical model for thermal environment and broiler chickens performance prediction in acclimatized housings

Abstract

Publication series

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Keywords

ASJC Scopus subject areas

Library availability

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