The Impacts of Body Condition, Microclimate, Wind Speed, and Air Pollutant on Physiological Response of Laying Hen Reared under Tropical Climate

Journal of World's Poultry Research Pub Date : 2023-12-25 DOI:10.36380/jwpr.2023.44

H. Prayogi, Veronica Margareta Ani Nurgiartiningsih, Osfar Sofjan

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Abstract

The environmental changes in the animal’s body status could manifest as a physiological response. The present study investigated the impact of body condition, microclimate, wind speed, and air pollutants on the physiological response of laying hens. Therefore, a total of 172 laying hens at 16 weeks of age from Isa Brown were investigated for 5 days. Data on body condition, microclimate, wind speed, and physiological response were recorded and then analyzed using the SEM model by Partial Least Square- Structural Equation Modeling using smartPLS. The obtained result revealed that 59.71% of the physiological response of the chickens (respiratory rate and rectal temperature) reared at the open house system could be predicted by the independent. The microclimate (y = 0.465) was found to be more effective than body condition (y = 0.237), wind speed (y = -0.364), and air pollutant (y = 0.08). Moreover, it was found that as much as 83.1% of the air pollutants in the open house system could be predicted by the independent variables, and wind speed (y = -0.890) was more effective than microclimate (y = 0.074) variables.

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体况、小气候、风速和空气污染物对热带气候下产蛋鸡生理反应的影响

动物机体状态的环境变化可表现为生理反应。本研究调查了体况、小气候、风速和空气污染物对蛋鸡生理反应的影响。因此，本研究对来自 Isa Brown 的 172 只 16 周龄蛋鸡进行了为期 5 天的调查。记录了身体状况、微气候、风速和生理反应的数据，然后利用 smartPLS 的偏最小平方结构方程模型对这些数据进行了 SEM 分析。结果表明，59.71% 的开放式鸡舍饲养鸡的生理反应（呼吸频率和直肠温度）可由独立参数预测。小气候（y = 0.465）比身体状况（y = 0.237）、风速（y = -0.364）和空气污染物（y = 0.08）更有效。此外，研究还发现，多达 83.1%的开放式房屋系统中的空气污染物可由自变量预测，而风速（y = -0.890）比小气候（y = 0.074）变量更有效。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of World's Poultry Research

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