SUBSTITUTION OF SYNTHETIC VITAMINS, PREBIOTICS AND ANTIBIOTICS BY PLANT FEED ADDITIVES IN LAYER DIET OF QUAILS REARED UNDER CHRONIC HEAT STRESS.
youssef, S., Abdelfatah, M., ِA., A., Mohamed, M., Abd El-Halim, H., Mohamed, H., El-Gabry, H., badr, H., Sayed-ElAhl, R., E.M, A. (2023). SUBSTITUTION OF SYNTHETIC VITAMINS, PREBIOTICS AND ANTIBIOTICS BY PLANT FEED ADDITIVES IN LAYER DIET OF QUAILS REARED UNDER CHRONIC HEAT STRESS.. EKB Journal Management System, 43(2), 319-330. doi: 10.21608/epsj.2023.304019
Sabbah youssef; Mohamed Abdelfatah; Abdelatif, ِA.; Manal Mohamed; H. A. Abd El-Halim; Hanan Mohamed; Hoda El-Gabry; Heba badr; Rasha Sayed-ElAhl; Abdel-Kafy E.M. "SUBSTITUTION OF SYNTHETIC VITAMINS, PREBIOTICS AND ANTIBIOTICS BY PLANT FEED ADDITIVES IN LAYER DIET OF QUAILS REARED UNDER CHRONIC HEAT STRESS.". EKB Journal Management System, 43, 2, 2023, 319-330. doi: 10.21608/epsj.2023.304019
youssef, S., Abdelfatah, M., ِA., A., Mohamed, M., Abd El-Halim, H., Mohamed, H., El-Gabry, H., badr, H., Sayed-ElAhl, R., E.M, A. (2023). 'SUBSTITUTION OF SYNTHETIC VITAMINS, PREBIOTICS AND ANTIBIOTICS BY PLANT FEED ADDITIVES IN LAYER DIET OF QUAILS REARED UNDER CHRONIC HEAT STRESS.', EKB Journal Management System, 43(2), pp. 319-330. doi: 10.21608/epsj.2023.304019
youssef, S., Abdelfatah, M., ِA., A., Mohamed, M., Abd El-Halim, H., Mohamed, H., El-Gabry, H., badr, H., Sayed-ElAhl, R., E.M, A. SUBSTITUTION OF SYNTHETIC VITAMINS, PREBIOTICS AND ANTIBIOTICS BY PLANT FEED ADDITIVES IN LAYER DIET OF QUAILS REARED UNDER CHRONIC HEAT STRESS.. EKB Journal Management System, 2023; 43(2): 319-330. doi: 10.21608/epsj.2023.304019

SUBSTITUTION OF SYNTHETIC VITAMINS, PREBIOTICS AND ANTIBIOTICS BY PLANT FEED ADDITIVES IN LAYER DIET OF QUAILS REARED UNDER CHRONIC HEAT STRESS.

Egyptian Poultry Science Journal
Article 8, Volume 43, Issue 2, June 2023, Page 319-330  XML PDF (670.93 K)
Document Type: Original Article
DOI: 10.21608/epsj.2023.304019
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Authors
Sabbah yousseforcid 1; Mohamed Abdelfatah1; Abdelatif, ِA.1; Manal Mohamed1; H. A. Abd El-Halim1; Hanan Mohamed1; Hoda El-Gabry1; Heba badr2; Rasha Sayed-ElAhl2; Abdel-Kafy E.M1
1Anim. Prod. Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt.
2Anim. Health Res. Inst.Agric. Res. Center, Dokki, Giza, Egypt.
Abstract
This experiment was carried out to evaluate ability of some plant feed additives to replace synthetic vitamins, prebiotics and antibiotics in feeding layers Japanese quail layers reared under chronic heat stress. Two hundreds females and 80 males of Japanese quails were selected and distributed randomly into 10 experimental treatments with 4 replicates per each. Each replicate hold 5 female and 2 male. Ten experimental supplementations were added to basal diet (control treatment) to compose 10 experimental treatments. The other 9 treatments were formed by adding 0.5gm oxytetracycline (20%) /kg diet, 200mg vitamin C/kg diet, 20mg vitamin E/kg diet, 1gm pectin/kg diet, 20gm entire fresh lemon (fully grinded) /kg diet, 250 mg silymarin (Si) /kg, 250 mg curcumin (CR) /kg, 500 mg SI /kg and 500 mg CR /kg respectively. The experiment extended from 8 weeks of age up to 2 months of egg production. The results showed that:
Egg production performance of quail fed diet supplemented with fresh lemon equalized with vitamin E and  recorded (p ≤ 0.05) significantly higher egg production performance than vitamin C, pectin, antibiotics and other plant feed additives. On contrast laying quail fed diet supplemented with 500 SI mg CR/kg recorded numerically the highest fertility and hatchability percent. Similarly egg quality improved numerically with silymarin supplementation.
The results of this experiment recommend that some plant feed additives that are available with low cost may be able to substitute antibiotics, synthetic vitamins and prebiotics in diets to improve performance of laying quail reared under chronic heat stress.
Keywords
plant; additives; vitamins: antibiotics; quail
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