Effects of Heat Stress on the Laying Performance, Egg Quality, and Physiological Response of Laying Hens
Hye-Ran Kim,
Chaehwa Ryu,
Sung-Dae Lee
et al.
Abstract:As high temperature and relative humidity (RH) are the main environmental factors causing heat stress, the temperature–humidity index (THI) serves as an indicator of heat stress in livestock animals. This study aimed to determine the effects of heat stress on the laying performance, physiological responses, egg quality, and blood profile of laying hens by subjecting them to environmental conditions with varying THI levels (68–85) for 28 days. The indicators of laying performance, such as feed intake (−30%) and… Show more
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