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Effect of Ginkgo biloba Leaves on Growth Performance and Thyroid Functions Markers in Normal and H2O2 Induced Oxidative Stress in Male Broiler Chicken. | ||
| Rafidain Journal of Science | ||
| Volume 33, Issue 2, June 2024, Pages 24-33 PDF (738.44 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/rjs.2024.183422 | ||
| Authors | ||
| Rebin Azad Omar* ; Ismail Kakey* | ||
| Department of Biology, Faculty of Science & Health, Koya University, Koya KOY45, Kurdistan Region – F.R. Iraq. | ||
| Abstract | ||
| As antibiotic growth promoters are being phased out from poultry diets in different global regions, there is a significant focus on exploring substitute strategies. The complete randomized design applied to the study included 216 one-day-old male strain (Ross 307) broilers assigned into six equal number groups, three replicates, each consisting of 12 chicks. The control (group 1) was fed standard diet and group 2 was exposed to oxidative stress (OS) by 0.5% ml of hydrogen peroxide (50%) concentration per liter of water. Group 3 was exposed to OS and treated with 3.5 g/kg non-fermented Ginkgo biloba leaves (Gbl), group 4 was exposed to OS and treated with 3.5 g/kg fermented Gbl, group 5 comprised normal chicken treated with 3.5 g/kg non-fermented Gbl, group 6 normal chicken consists of 3.5 g/kg fermented Gbl. The result showed that the normal chicken in group 6 treated with F- Gbl caused a significant decline (P < 0.01) in feed conversation ratio FCR (1.38) compared to all groups 2,3,4 and 5 (1.53,1.56,1.48 and1.57) respectively, while non- significant change (P > 0.01) observed inverses to control group. the final body weight (FBW) and weight gain (WG) in group 6 significantly increased (P < 0.01) as compared to all other experimental groups, and the level of T3 and T4 in group 6 non-significant change (P > 0.01) observed compared to group1.In summary, incorporating F-Gbl within the recommended range into broiler diet improved growth performance, physiological condition and regulated thyroid hormone function thereby increasing FI, WG and FBW. | ||
| Keywords | ||
| Ginkgo biloba leaves; Broiler chicken; Growth performance; Thyroid hormone; Medicinal plant | ||
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