The College of Agricultural Engineering Sciences at the University of Baghdad held a PhD dissertation defense titled “The Effect of Light Wavelength and Intermittent Lighting During the Growth Stage on Sexual Maturity, Productive and Physiological Performance, and Certain Behavioral Traits in Egg-Laying Hens,” by the student Saja Tarif Othman from the Department of Animal Production.

The study aimed to explore the effects of intermittent lighting programs and light colors on the growth and sexual maturity of local chickens, as well as to evaluate egg quality and characteristics. Additionally, it sought to examine the productive performance and reproductive efficiency of local chickens.

The researcher recommended using UVR with intermittent lighting in local chicken flocks, as well as employing long or short lighting programs with UVR to study behavioral traits to address negative behaviors. She also recommended conducting broader studies to determine the precise lighting requirements for local chickens.

Congratulations to the researcher, with best wishes for continued success.

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