- Adedeji, B. S., Ogunwole, O. A., Olumide, M. D., and A. O. Mosuro. (2018). Performance and Blood Profile of Growing Pullets Fed Diets Supplemented with Cholecalciferol. Int J Agric For, 8: 213-219. DOI: 10.5923/j.ijaf.20180806.03.
- Adhikari, R., White, D., House, J. D., and Kim, W. K. (2020). Effects of additional dosage of vitamin D3, vitamin D2, and 25-hydroxyvitamin D3 on calcium and phosphorus utilization, egg quality and bone mineralization in laying hens. Poultry science, 99(1): 364-373. https://doi.org/10.3382/ps/pez502.
- Attia, Y. A., Al-Harthi, M. A., and Abo El-Maaty, H. M. (2020). Calcium and cholecalciferol levels in late-phase laying hens: effects on productive traits, egg quality, blood biochemistry, and immune responses. Frontiers in Veterinary Science, 7: 389. https://doi.org/10.3389/fvets.2020.00389.
- Azeim, N. A. H. A., Ragab, H. M., Shaheen, H. M. E. M., and Awad, S. M. B. (2023). An overview about vitamin D role in human health. Journal of Pharmaceutical Negative Results, 14(3): 373-377. https://doi.org/10.47750/pnr.2023.14.03.046.
- Chen, C., White, D. L., Marshall, B., and Kim, W. K. (2021). Role of 25-hydroxyvitamin D3 and 1, 25-dihydroxyvitamin D3 in chicken embryo osteogenesis, adipogenesis, myogenesis, and vitamin D3 metabolism. Frontiers in Physiology, 12: 637629. https://doi.org/10.3389/fphys.2021.637629.
- Cheng, M., Song, Z., Guo, Y., Luo, X., Li, X., Wu, X., and Gong, Y. (2023). 1α, 25-Dihydroxyvitamin D3 Improves Follicular Development and Steroid Hormone Biosynthesis by Regulating Vitamin D Receptor in the Layers Model. Current Issues in Molecular Biology, 45(5): 4017-4034. https://doi.org/10.3390/cimb45050256.
- Duncan, D. B. (1955). Multiple range and multiple F tests. biometrics, 11(1): 1-42. https://doi.org/10.2307/3001478.
- Eyerus, T., A., T. Yilkal, M., & Tekle, O. (2024). Assessment Of Husbandry Practices, Egg Production Performance And Egg Quality Traits Of Chickens In The Baka Dawula District, Southern Ethiopia. Anbar Journal Of Agricultural Sciences, 22(1), 283–300. https://doi.org/10.32649/ajas.2024.148584.1204.
- Han, J. C., Wang, J. G., Chen, G. H., Zhang, J. L., Zhang, N., Qu, H. X., ... and Yang, X. J. (2018). 1α-Hydroxycholecalciferol improves the growth performance and up-regulates the mRNA expression of vitamin D receptor in the small intestine and kidney of broiler chickens. Poultry science, 97(4): 1263-1270. https://doi.org/10.3382/ps/pex423.
- Jaime, J., Vargas-Bermúdez, D. S., Yitbarek, A., Reyes, J., and Rodríguez-Lecompte, J. C. (2020). Differential immunomodulatory effect of vitamin D (1, 25 (OH) 2 D3) on the innate immune response in different types of cells infected in vitro with infectious bursal disease virus. Poultry science, 99(9): 4265-4277. https://doi.org/10.1016/j.psj.2020.06.006.
- Li, D., Ding, X., Bai, S., Wang, J., Zeng, Q., Peng, H., ... and Zhang, K. (2023). Effects of Supplementation of 25-Hydroxyvitamin D3 as a Vitamin D3 Substitute on Performance, Bone Traits, and Egg Quality of Laying Hens from 1 Day to 72 Weeks of Age. Agriculture, 13(2): 383. https://doi.org/10.3390/agriculture13020383.
- Li, D., Zhang, K., Bai, S., Wang, J., Zeng, Q., Peng, H., ... and Ding, X. (2021). Effect of 25-hydroxycholecalciferol with different vitamin D3 levels in the hens diet in the rearing period on growth performance, bone quality, egg production, and eggshell quality. Agriculture, 11(8) 698. https://doi.org/10.3390/agriculture11080698.
- Li, H., and Zhang, S. (2017). Functions of vitellogenin in eggs. Oocytes: maternal information and functions, 389-401. https://doi.org/10.1007/978-3-319-60855-6_17.
- Mohammed, T. T., and Hamad, E. H. (2024). Effect Of Adding Natural Zeolite and Vitamin E To Laying Hans Diets on Some Productive Traits During the Summer Season. Anbar Journal of Agricultural Sciences, 22(1): 501–516. https://doi.org/10.32649/ajas.2024.183746.
- Safamehr, A., Hedatyati, S., and Shahir, M. H. (2013). The effects of dietary calcium sources and vitamin D3 on egg quality and performance in laying hens.
- Samer, M., S., & J. M. Saeid, Z. (2024). The Effect Of Using Different Levels Of Energy In Broilers Diets On Some Physiological Traits. Anbar Journal Of Agricultural Sciences, 22(1), 471–483. https://doi.org/10.32649/ajas.2023.179757.
- (2012). Statistical Analysis System, User's Guide. Statistical. Version 9.1th ed. SAS. Inst. Inc. Cary. N.C. USA.
- Wallace, R. A., and Bergink, E. W. (1974). Amphibian vitellogenin: properties, hormonal regulation of hepatic synthesis and ovarian uptake, and conversion to yolk proteins. American Zoologist, 14(4): 1159-1175. https://doi.org/10.1093/icb/14.4.1159.
- White, H. B., and Whitehead, C. C. (1987). Role of avidin and other biotin-binding proteins in the deposition and distribution of biotin in chicken eggs. Discovery of a new biotin-binding protein. Biochemical Journal, 241(3): 677-684. https://doi.org/10.1042/bj2410677.
- Yao, L., Wang, T., Persia, M., Horst, R. L., and Higgins, M. (2013). Effects of vitamin D3‐Enriched diet on egg yolk vitamin D3 content and yolk quality. Journal of food science, 78(2): 178-183. https://doi.org/10.1111/1750-3841.12032.
|