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Habibi, Atefe, Ghazanfari, Shokofeh, Karimi Torshizi, Mohammad Amir, Mohammadi-Sangcheshmeh, Abdollah. (1404). Dietary Black Seed and L-Carnitine Supplements to Mitigate Heat Stress in Laying Japanese Quails: Effects on Egg Quality and Organ Morphology. , (), -. doi: 10.22059/ijvm.2025.386513.1005700
Atefe Habibi; Shokofeh Ghazanfari; Mohammad Amir Karimi Torshizi; Abdollah Mohammadi-Sangcheshmeh. "Dietary Black Seed and L-Carnitine Supplements to Mitigate Heat Stress in Laying Japanese Quails: Effects on Egg Quality and Organ Morphology". , , , 1404, -. doi: 10.22059/ijvm.2025.386513.1005700
Habibi, Atefe, Ghazanfari, Shokofeh, Karimi Torshizi, Mohammad Amir, Mohammadi-Sangcheshmeh, Abdollah. (1404). 'Dietary Black Seed and L-Carnitine Supplements to Mitigate Heat Stress in Laying Japanese Quails: Effects on Egg Quality and Organ Morphology', , (), pp. -. doi: 10.22059/ijvm.2025.386513.1005700
Habibi, Atefe, Ghazanfari, Shokofeh, Karimi Torshizi, Mohammad Amir, Mohammadi-Sangcheshmeh, Abdollah. Dietary Black Seed and L-Carnitine Supplements to Mitigate Heat Stress in Laying Japanese Quails: Effects on Egg Quality and Organ Morphology. , 1404; (): -. doi: 10.22059/ijvm.2025.386513.1005700

Dietary Black Seed and L-Carnitine Supplements to Mitigate Heat Stress in Laying Japanese Quails: Effects on Egg Quality and Organ Morphology

Iranian Journal of Veterinary Medicine
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 21 مرداد 1404
نوع مقاله: Original Articles
شناسه دیجیتال (DOI): 10.22059/ijvm.2025.386513.1005700
نویسندگان
Atefe Habibi1؛ Shokofeh Ghazanfari* 1؛ Mohammad Amir Karimi Torshizi2؛ Abdollah Mohammadi-Sangcheshmeh3
1Department of Livestock and Poultry Sciences, Faculty of Agricultural Technology (Aburaihan), University of Tehran, Pakdasht, Tehran, Iran
2Department of animal science, Faculty of Agriculture, Tarbiat Modares University, Tehran-Iran,
3Department of Animal and Poultry Sciences, College of Aburaihan, University of Tehran, Pakdasht, Tehran-Iran
چکیده
Background: Heat stress negatively impacts egg production and health in quails, prompting research on dietary supplements like black seed and L-carnitine for their potential to alleviate these effects and improve performance.
Objectives: This study evaluated the effects of black seed, L-carnitine, and their combination on egg production, intestinal and magnum morphology in laying Japanese quails under normal and heat stress conditions, with additional assessment of vitamin E supplementation.
Methods: Five hundred laying Japanese quails were divided into two temperature groups (normal and heat stress) and five dietary treatments (control, black seed, L-carnitine, black seed+L-carnitine, and vitamin E) in a 2×5 factorial design. The experiment consisted of acclimation (two weeks), heat exposure (five weeks), and recovery (three weeks). Egg production and intestinal and magnum morphology were measured throughout.
Results: During heat stress, control and black seed diets resulted in higher Haugh unit values, while the black seed + L-carnitine diet increased yolk percentage. Vitamin E improved eggshell strength under normal conditions, and after recovery, both vitamin E and black seed + L-carnitine diets produced stronger eggshells (P<0.05). Black seed + L-carnitine reduced the villus length-to-crypt depth ratio compared to control. Vitamin E under heat stress and black seed + L-carnitine under normal conditions increased magnum fold height, while control diet in heat stress had the lowest fold thickness. Vitamin E enhanced epithelial height under normal temperatures and reduced magnum gland diameter (P<0.05).
Conclusions: Black seed and vitamin E improved egg quality (Haugh unit, shell strength), while black seed + L-carnitine had mixed effects on morphology depending on temperature. Dietary strategies can optimize laying Japanese quails performance under varying conditions.
کلیدواژه‌ها
Black seed؛ Egg quality؛ Heat stress؛ L-carnitine؛ Laying japanese quail
آمار
تعداد مشاهده مقاله: 36





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