Effect of dietary supplementation of lavender and rosemary essential oil on quails’ productive performance, egg quality, and physiological parameters
DOI:
https://doi.org/10.59658/jkas.v12i3.4354Keywords:
LEO, REO, egg production, physiological parametersAbstract
The objective of this study was to examine adding lavender essential oil (LEO), rosemary essential oil (REO), or a combination of the two oils to laying quail diets affected productive performance, egg quality, and physiological traits. The study material comprised 72 42-day-old quails, which were assigned to four treatments; each contained 18 quails, three males and 15 females, divided into three replicates reared in a cage system. Concerning the diet, the T1 control group quails were fed standard feed, the T2 group added 0.6% LEO to standard feed, the T3 group added 0.6% REO to the layer diet, and the T4 group added a 0.6% mix of 0.3% LEO and 0.3% REO to standard feed. As a result, it was found that diet supplementation with LEO and REO had no significant effect on feed conversion ratio (FCR) but had a substantial influence on performance metrics, feed intake (FI), and hen-day egg production (HD). No significant differences were observed in egg quality parameters among treatments. High-density lipoprotein (HDL) significantly increased in all essential oil treatments as compared to the control group, but other physiological parameters and egg quality did not alter significantly when the two essential oils were supplemented. In conclusion, feeding laying quails LEO and REO increased their productivity while having a limited impact on their physiological characteristics. However, egg quality parameters did not show any significant differences.
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